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Powertrain Control Module (PCM) - Electrical Diagnostics - 41TE - Gpec: Other Dodge Journey I

Communication Devices 56 illustrations ~18016 words

Monitor Conditions

  1. When Monitored: Continuously with the ignition on and engine running.

Set Conditions

  1. Set Condition: This DTC will set if the monitored TPS voltage drops below.078 of a volt for the period of 0.48 of a second.

Possible Causes

Possible Causes
RELATED TPS ENGINE DTCS PRESENT
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .

  1. When Monitored: Continuously with the ignition on and engine running.
  1. Set Condition: This DTC will set if the monitored TPS voltage rises above 4.94 volts for the period of 0.48 of a second.
Possible Causes
RELATED TPS ENGINE DTCS PRESENT
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .

  1. When Monitored: Continuously with the ignition on and engine running.
  1. Set Condition: This DTC will set if the monitored TPS throttle angle is between 6° and 120° and the value changes by more than 5° in a period of 7.0 ms or less.
Possible Causes
RELATED TPS ENGINE DTCS PRESENT
THROTTLE POSITION SENSOR (TPS)
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .

  1. When Monitored: Whenever the engine is running.
  1. Set Condition: Immediately when an Overheat shift schedule is activated when the Transmission Oil Temperature reaches 115° C (240° F).
Possible Causes
ENGINE COOLING SYSTEM OPERATION
TRANSMISSION OIL COOLER PLUGGED
OPERATING IN LIMP-HOME MODE
TORQUE CONVERTER CLUTCH NOT ENGAGING PROPERLY

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure

  1. When Monitored: Check for generic software is made at power-up.
  1. Set Condition: If generic software is detected by the controller a MIL will light immediately. This DTC is designed to inform the technician that the controller still has generic software installed.
Possible Causes
PCM - PROGRAMMING ERROR

Always perform the 40/41TE Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure

  1. When Monitored: One time after each time the ignition is turned to the run position from an off position.
  1. Set Condition: The read value does not match the written value in any memory (RAM) location.
Possible Causes
PCM - INTERNAL ERROR

Always perform the 40/41TE Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure

  1. When Monitored: One time after each time the ignition is turned to the run position from an off position.
  1. Set Condition: If the integrity of the program memory (ROM) checksum does not match a known constant.
Possible Causes
PCM - INTERNAL ERROR

Always perform the 40/41TE Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure

  1. When Monitored: After the ignition is turned to the run position and every 60 seconds thereafter.
  1. Set Condition: Either of the following conditions occur 3 times in less than 590 milliseconds
  2. The watchdog line remains high after the watchdog test
  3. The transmission relay coil is detected as energized and remains on after the watchdog delay expires.
Possible Causes
PCM - INTERNAL ERROR

Always perform the 40/41TE Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure

  1. When Monitored: Continuously with the ignition on in the run position.
  1. Set Condition: The DTC will set if an invalid PRNDL code exists for more than 100 milliseconds within one second of power-up or if the PRNDL code error does not correct itself when (or before) the shift lever is moved to a different position (P, R, N, or OD), or if the PCM sees the PRNDL code rapidly (within 7 ms) jump across more than three shift lever detent positions.
Possible Causes
SHIFT LEVER CABLE OUT OF ADJUSTMENT
METAL DEBRIS ON TRS CODE PLATE
TRS SIGNAL CIRCUIT OPEN
TRS SIGNAL CIRCUIT SHORTED TO GROUND
TRS SIGNAL CIRCUIT SHORTED TO VOLTAGE
TRANSMISSION RANGE SENSOR (TRS)
POWERTRAIN CONTROL MODULE (PCM)

Always perform the 40/41TE Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .

SLPT41 (C1)T42 (C2)T3 (C3)T1 (C4)
PCLOSEDCLOSEDCLOSEDOPEN
ROPENCLOSEDOPENOPEN
NCLOSEDCLOSEDOPENCLOSED
ODOPENOPENOPENCLOSED
3OPENOPENCLOSEDOPEN
LOPENCLOSEDCLOSEDCLOSED

TRS SWITCH STATES

  1. When Monitored: Continuously with the ignition on and engine running.
  1. Set Condition: DTC will set when the transmission temperature does not reach a normal operating temperature within a given time frame. Time is variable due to ambient temperature. Approximate DTC set time is 10 to 35 minutes. The following are starting temperature to warm up times to set this DTC
  1. Starting temperature -40° C (-40° F) warm up time 35 minutes.
  1. Starting temperature -28° C ( -20° F) 25 minutes.
  1. Starting temperature -6.6° C (20° F) 20 minutes.
  1. Starting temperature 15.5° C (60° F) 10 minutes.

When the fault is set, calculated temperature is substituted for measured temperature, however the DTC is stored only after three consecutive occurrences.

Possible Causes
RELATED TRANSMISSION TEMPERATURE DTCS PRESENT
TRANSMISSION TEMPERATURE SENSOR
POWERTRAIN CONTROL MODULE (PCM)

Always perform the 40/41TE Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .

  1. When Monitored: Continuously with the ignition on and engine running.
  1. Set Condition: The DTC will set when the monitored Temperature Sensor voltage drops below 0.078 of a volt for the period of 1.45 seconds. When the fault is set, calculated temperature is substituted for measured temperature, however the fault code is stored only after three consecutive occurrences of the problem identification.
Possible Causes
RELATED DTCS PRESENT
(T54) TRANSMISSION TEMPERATURE SIGNAL CIRCUIT SHORTED TO GROUND
TRANSMISSION TEMPERATURE SENSOR (IN TRS ASSEMBLY)
POWERTRAIN CONTROL MODULE (PCM)

Always perform the 40/41TE Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .

Scheme 19

Scheme 19: Diagnostic Test
  1. DETERMINE IF RELATED DTCS ARE PRESENT With the scan tool, read transmission DTCs. Are there any Speed Sensor DTCs present? Yes See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Diagnosis and Testing»(ref-353603-S18034344452010011200000) and perform the appropriate diagnostic procedure. No Go to step 2
  2. CHECK IF THE DTC IS ACTIVE With the scan tool, view DTCs. Is the status Active or is the Starts Since Set counter 2 or less for this DTC? Yes Go to step 3 No Go to step 5
  3. CHECK THE PCM AND WIRING WITH THE TRANSMISSION SIMULATOR Turn the ignition off to the lock position. Remove the Ignition Switch Feed fuse from the TIPM. CAUTION: Removal of the Ignition Switch Feed fuse from the TIPM will prevent the vehicle from being started in gear. WARNING: The Ignition Switch Feed fuse must be removed from the TIPM. Failure to do so can result in possible serious or fatal injury. Install the Transmission Simulator 8333A and the Electronic Transmission Adapter kit. NOTE: Check connectors - Clean/repair as necessary. Ignition on, engine not running. With the Transmission Simulator, turn the Input/Output switch to OFF. With the scan tool, monitor the TRANS TEMP VOLTS while turning the Thermistor Voltage switch to all three positions on the Transmission Simulator. Compare the scan tool readings with the numbers listed on the Transmission Simulator. Do the readings on the Transmission Simulator match the scan tool readings ± 0.2 of a volt? Yes Replace the Transmission Temperature Sensor (in the TRS Assembly) in accordance with the Service Information. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) . No Go to step 4
  4. CHECK THE (T54) TRANSMISSION TEMPERATURE SIGNAL CIRCUIT FOR A SHORT TO GROUND Turn the ignition off to the lock position. Disconnect the Transmission Simulator 8333A and the Electronic Transmission Adapter kit. Disconnect the PCM C2 harness connector. Disconnect the TRS harness connector. Measure the resistance between ground and the (T54) Transmission Temperature Signal circuit. Is the resistance below 5.0 Ohms? Yes Repair the (T54) Transmission Temperature Signal circuit for a short to ground. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) . No Using the schematics as a guide, check the Powertrain Control Module (PCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for any Service Bulletins that may apply. If no problems are found, replace and program the PCM in accordance with the Service Information. With the scan tool perform the Quick Learn procedure. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) .
  5. CHECK THE WIRING AND CONNECTORS The conditions necessary to set this DTC are not present at this time. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit. Wiggle the wires while checking for shorted and open circuits. With the scan tool, check the Event Data to help identify the conditions in which the DTC was set. Check for any Service Bulletins that may apply. Were there any problems found? Yes Repair as necessary. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) . No Test Complete.
  1. When Monitored: Continuously with the ignition on and engine running.
  1. Set Condition: The DTC will set when the monitored Temperature Sensor voltage rises above 4.94 volts for the period of 1.45 seconds. When the fault is set, calculated temperature is substituted for measured temperature, however the fault code is stored only after three consecutive occurrences of the fault.
Possible Causes
(T13) SENSOR GROUND OPEN
(T54) TRANSMISSION TEMPERATURE SIGNAL CIRCUIT OPEN
(T54) TRANSMISSION TEMPERATURE SIGNAL CIRCUIT SHORTED TO VOLTAGE
TRANSMISSION TEMPERATURE SENSOR (IN TRS ASSEMBLY)
POWERTRAIN CONTROL MODULE (PCM)

Always perform the 40/41TE Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .

Scheme 20

Scheme 20: Diagnostic Test

Scheme 21

Scheme 21

Scheme 22

Scheme 22
  1. CHECK TO SEE IF DTC IS CURRENT With the scan tool, view DTCs. Is the status Active for this DTC or is Starts Since Set counter 2 or less? Yes Go to step 2 No Go to step 6
  2. CHECK THE PCM AND WIRING WITH THE TRANSMISSION SIMULATOR Turn the ignition off to the lock position. Remove the Ignition Switch Feed fuse from the TIPM. CAUTION: Removal of the Ignition Switch Feed fuse from the TIPM will prevent the vehicle from being started in gear. WARNING: The Ignition Switch Feed fuse must be removed from the TIPM. Failure to do so can result in possible serious or fatal injury. Install the Transmission Simulator 8333A and the Electronic Transmission Adapter kit. NOTE: Check connectors - Clean/repair as necessary. Ignition on, engine not running. With the Transmission Simulator, turn the Input/Output switch to OFF. With the scan tool, monitor the TRANS TEMP VOLTS while turning the Thermistor Voltage switch to all three positions on the Transmission Simulator. Compare the scan tool readings with the numbers listed on the Transmission Simulator. Do the readings on the Transmission Simulator match the scan tool readings ± 0.2 volts? Yes Replace the Transmission Temperature Sensor (in the TRS Assembly) in accordance with the Service Information. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) . No Go to step 3
  3. CHECK THE (T54) TRANSMISSION TEMPERATURE SIGNAL CIRCUIT FOR AN OPEN Turn the ignition off to the lock position. Disconnect the Transmission Simulator 8333A and the Electronic Transmission Adapter kit. Disconnect the PCM C2 harness connector. Disconnect the TRS harness connector NOTE: Check connectors - Clean/repair as necessary. Measure the resistance of the Transmission Temperature Signal circuit between the PCM C2 harness connector and the TRS harness connector. Is the resistance above 5.0 Ohms? Yes Repair the Transmission Temperature Signal circuit for an open. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) . No Go to step 4
  4. CHECK THE (T13) SENSOR GROUND CIRCUIT FOR AN OPEN Measure the resistance of the (T13) Sensor Ground circuit between the PCM C2 harness connector and the TRS harness connector. Is the resistance above 5.0 Ohms? Yes Repair the (T13) Sensor Ground circuit for an open. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) . No Go to step 5
  5. CHECK THE (T54) TRANSMISSION TEMPERATURE SIGNAL CIRCUIT FOR A SHORT TO VOLTAGE Ignition on, engine not running. With the scan tool under TIPM, actuate the Transmission. Measure the voltage of the (T54) Transmission Temperature Signal circuit. Is the voltage above 0.5 of a volt? Yes Repair the (T54) Transmission Temperature Signal circuit for a short to voltage. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) . No Using the schematics as a guide, check the Powertrain Control Module (PCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for Service Information Tune-ups or Service Bulletins for any possible causes that may apply. If no problems are found, replace and program the PCM in accordance with the Service Information. With the scan tool, perform Quick Learn. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) .
  6. CHECK THE WIRING AND CONNECTORS The conditions necessary to set this DTC are not present at this time. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit. Wiggle the wires while checking for shorted and open circuits. With the scan tool, check the Event Data to help identify the conditions in which the DTC was set. Check for any Service Information Tune-ups or Service Bulletins for any possible causes that may apply. Were there any problems found? Yes Repair as necessary. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) . No Test Complete.
  1. When Monitored: Continuously with the ignition on and engine running.
  1. Set Condition: The DTC will set when the monitored Temperature Sensor voltage fluctuates or changes abruptly within a predetermined period of time.
Possible Causes
TRANSMISSION TEMPERATURE SENSOR (IN TRS ASSEMBLY)
POWERTRAIN CONTROL MODULE (PCM)

Always perform the 40/41TE Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .

  1. When Monitored: The transmission gear ratio is monitored continuously while the transmission is in gear.
  1. Set Condition: If there is an excessive change in the Input RPM in any valid gear (R, 1st, 2nd, 3rd, or 4th).
Possible Causes
(T52) INPUT SPEED SIGNAL CIRCUIT OPEN
(T13) SPEED SENSOR GROUND CIRCUIT OPEN
(T52) INPUT SPEED SIGNAL CIRCUIT SHORT TO GROUND
(T52) INPUT SPEED SIGNAL CIRCUIT SHORT TO VOLTAGE
(T13) SPEED SENSOR GROUND CIRCUIT SHORT TO VOLTAGE
INPUT SPEED SENSOR
POWERTRAIN CONTROL MODULE

Always perform the 40/41TE Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure

Scheme 23

Scheme 23: Diagnostic Test

Scheme 24

Scheme 24

Scheme 25

Scheme 25

Scheme 26

Scheme 26

Scheme 27

Scheme 27
  1. CHECK TO SEE IF DTC P0715 IS CURRENT Start the engine. Place the shift lever in park. With the scan tool, read the Input Speed Sensor RPM. Is the Input Speed Sensor reading below 400 RPM? Yes Go to step 2 No Go to step 8
  2. CHECK THE PCM AND WIRING WITH THE TRANSMISSION SIMULATOR Turn the ignition off to the lock position. Remove the Ignition Switch Feed fuse from the TIPM. CAUTION: Removal of the Ignition Switch Feed fuse from the TIPM will prevent the vehicle from being started in gear. WARNING: The Ignition Switch Feed fuse must be removed from the TIPM. Failure to do so can result in possible serious or fatal injury. Install the Transmission Simulator, Miller tool #8333A and the Electronic Transmission Adapter kit. Ignition on, engine not running. With the Transmission Simulator, set the "Input/Output Speed" switch to "ON" and the rotary switch to the "3000/1250" position. With the scan tool, read the Input and Output RPM. Does the Input speed read 3000 RPM and the Output speed read 1250 RPM ± 50 RPM? Yes Replace the Input Speed Sensor per the Service Information. Perform 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) No Go to step 3
  3. CHECK THE (T52) INPUT SPEED SIGNAL CIRCUIT FOR AN OPEN Turn the ignition off to the lock position. Disconnect the Transmission Simulator, Miller tool #8333A and the Electronic Transmission Adapter kit. Disconnect the PCM C2 harness connector. Disconnect the Input Speed Sensor harness connector. NOTE: Check connectors - Clean/repair as necessary. Measure the resistance of the (T52) Input Speed Signal circuit between the PCM C2 harness connector and the Input Speed Sensor harness connector. Is the resistance above 5.0 ohms? Yes Repair the (T52) Input Speed Signal circuit for an open. Perform 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) No Go to step 4
  4. CHECK THE (T13) SPEED SENSOR GROUND CIRCUIT FOR AN OPEN Measure the resistance of the (T13) Speed Sensor Ground circuit between the PCM C2 harness connector and the Input Speed Sensor harness connector. Is the resistance above 5.0 ohms? Yes Repair the (T13) Speed Sensor Ground circuit for an open. Perform 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) No Go to step 5
  5. CHECK THE (T52) INPUT SPEED SIGNAL CIRCUIT FOR A SHORT TO GROUND Measure the resistance between ground and the (T52) Input Speed Signal circuit. Is the resistance Below 5.0 ohms? Yes Repair the (T52) Input Speed Signal circuit for a short to ground. Perform 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) No Go to step 6
  6. CHECK THE (T52) INPUT SPEED SIGNAL CIRCUIT FOR A SHORT TO VOLTAGE Disconnect the Output Speed Sensor harness connector. Ignition on, engine not running. With the scan tool in the TIPM, actuate the Transmission. Measure the voltage of the (T52) Input Speed Signal circuit. Is the voltage above 0.5 volt? Yes Repair the (T52) Input Speed Signal circuit for a short to voltage. Perform 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) No Go to step 7
  7. CHECK THE (T13) SPEED SENSOR GROUND CIRCUIT FOR A SHORT TO VOLTAGE NOTE: Actuation of the transmission must still be active. Measure the voltage of the (T13) Speed Sensor Ground circuit. Is the voltage above 0.5 volts? Yes Repair the (T13) Speed Sensor Ground circuit for a short to voltage. Perform 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) No Using the schematics as a guide, check the Powertrain Control Module (PCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for Service Information Tune-ups or Service Bulletins for any possible causes that may apply. If no problems are found, replace and program the PCM per the Service Information. With the scan tool, perform QUICK LEARN. Perform 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000)
  8. INTERMITTENT WIRING AND CONNECTORS The conditions necessary to set the DTC are not present at this time. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit. Wiggle the wiring and connectors while checking for shorted and open circuits. With the scan tool, check the DTC EVENT DATA to help identify the conditions in which the DTC was set. Check for Service Information Tune-ups or Service Bulletins for any possible causes that may apply. Were there any problems found? Yes Repair as necessary. Perform 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) No Test Complete.
  1. When Monitored: The transmission gear ratio is monitored continuously while the transmission is in gear.
  1. Set Condition: If there is an excessive change in the Output RPM in any gear.
Possible Causes
(T14) OUTPUT SPEED SIGNAL CIRCUIT OPEN
(T13) SPEED SENSOR GROUND CIRCUIT OPEN
(T14) OUTPUT SPEED SIGNAL CIRCUIT SHORT TO GROUND
(T14) OUTPUT SPEED SIGNAL CIRCUIT SHORT TO VOLTAGE
(T13) SPEED SENSOR GROUND CIRCUIT SHORT TO VOLTAGE
OUTPUT SPEED SENSOR
POWERTRAIN CONTROL MODULE

Always perform the 40/41TE Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure

Scheme 28

Scheme 28: Diagnostic Test

Scheme 29

Scheme 29

Scheme 30

Scheme 30

Scheme 31

Scheme 31

Scheme 32

Scheme 32
  1. CHECK IF THE DTC IS CURRENT Start the engine in park. Raise the drive wheels off of the ground. WARNING: Properly support the vehicle. Firmly apply the brakes and place the transmission selector in drive. WARNING: Be sure to keep hands and feet clear of rotating wheels. Release the brakes and allow the drive wheels to spin freely. NOTE: The drive wheels must be turning at this point. With the scan tool, read the Output RPM Is the Output RPM below 100? Yes Go to step 2 No Go to step 8
  2. CHECK THE PCM AND WIRING USING THE TRANSMISSION SIMULATOR Turn the ignition off to the lock position. Remove the Ignition Switch Feed fuse from the TIPM. CAUTION: Removal of the Ignition Switch Feed fuse from the TIPM will prevent the vehicle from being started in gear. WARNING: The Ignition Switch Feed fuse must be removed from the TIPM. Failure to do so can result in possible serious or fatal injury. Install the Transmission Simulator, Miller tool #8333A and the Electronic Transmission Adapter kit. Ignition on, engine not running. With the Transmission Simulator, set the "Input/Output Speed" switch to "ON" and the rotary switch to the "3000/1250" position. With the scan tool, read the Input and Output RPM. Does the Input RPM read 3000 and the Output RPM read 1250 (± 50 RPM)? Yes Replace the Output Speed Sensor per the Service Information. Perform 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) No Go to step 3
  3. CHECK THE (T14) OUTPUT SPEED SIGNAL CIRCUIT FOR AN OPEN Turn the ignition off to the lock position. Disconnect the Transmission Simulator, Miller tool #8333A and the Electronic Transmission Adapter kit. Disconnect the PCM C2 harness connector. Disconnect the Output Speed Sensor harness connector. NOTE: Check connectors - Clean/repair as necessary. Measure the resistance of the (T14) Output Speed Signal circuit between the PCM C2 harness connector and the Output Speed Sensor harness connector. Is the resistance above 5.0 ohms? Yes Repair the (T14) Output Speed Signal circuit for an open. Perform 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) No Go to step 4
  4. CHECK THE (T13) SPEED SENSOR GROUND CIRCUIT FOR AN OPEN Measure the resistance of the Speed Sensor Ground circuit between the PCM C2 harness connector and the Output Speed Sensor harness connector. Is the resistance above 5.0 ohms? Yes Repair the (T13) Speed Sensor Ground circuit for an open. Perform 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) No Go to step 5
  5. CHECK THE (T14) OUTPUT SPEED SIGNAL CIRCUIT FOR A SHORT TO GROUND Measure the resistance between ground and the (T14) Output Speed Signal circuit. Is the resistance below 5.0 ohms? Yes Repair the (T14) Output Speed Signal circuit for a short to ground. Perform 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) No Go to step 6
  6. CHECK THE (T14) OUTPUT SPEED SIGNAL CIRCUIT FOR A SHORT TO VOLTAGE Ignition on, engine not running. With the scan tool under TIPM, actuate the TCM output. Measure the voltage of the (T14) Output Speed Signal circuit. Is the voltage above 0.5 volt? Yes Repair the (T14) Output Speed Signal circuit for a short to voltage. Perform 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) No Go to step 7
  7. CHECK THE (T13) SPEED SENSOR GROUND CIRCUIT FOR A SHORT TO VOLTAGE NOTE: Actuation of the transmission must still be active. Measure the voltage of the (T13) Speed Sensor Ground circuit. Is the voltage above 0.5 volts? Yes Repair the (T13) Speed Sensor Ground circuit for a short to voltage. Perform 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) No Using the schematics as a guide, check the Powertrain Control Module (PCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for Service Information Tune-ups or Service Bulletins for any possible causes that may apply. If no problems are found, replace and program the PCM per the Service Information. With the scan tool, perform QUICK LEARN. Perform 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000)
  8. INTERMITTENT WIRING AND CONNECTORS The conditions necessary to set the DTC are not present at this time. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit. Wiggle the wiring and connectors while checking for shorted and open circuits. With the scan tool, check the DTC EVENT DATA to help identify the conditions in which the DTC was set. Check for Service Information Tune-ups or Service Bulletins for any possible causes that may apply. Were there any problems found? Yes Repair as necessary. Perform 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) No Test Complete.
  1. When Monitored: Whenever the engine is running.
  1. Set Condition: The Engine RPM is less than 390 or greater than 8000 for more than 2 seconds while the engine is running.
Possible Causes
ENGINE DTCS PRESENT
POWERTRAIN CONTROL MODULE

Always perform the 40/41TE Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure

  1. When Monitored: The Transmission gear ratio is monitored continuously while the transmission is in gear.
  1. Set Condition: If the ratio of the Input RPM to the Output RPM does not match the current gear ratio when compared to the known gear ratio.
Possible Causes
RELATED TRANSMISSION DTCS PRESENT
INPUT OR OUTPUT SPEED SENSOR ERRORS
LOW LINE PRESSURE
FAILED UD OR LR CLUTCH
CUT OR TORN UD OR LR CLUTCH PISTON SEAL
CUT UD OR LR ACCUMULATOR PISTON SEAL
STUCK MAIN REGULATOR VALVE
SOLENOID MODULE
BROKEN INPUT SHAFT
FAILED UD SHAFT
FAILED REAR SUN GEAR, CARRIER, OR ANNULUS GEAR

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .

  1. When Monitored: The Transmission gear ratio is monitored continuously while the transmission is in gear.
  1. Set Condition: If the ratio of the Input RPM to the Output RPM does not match the current gear ratio when compared to the known gear ratio.
Possible Causes
RELATED TRANSMISSION DTCS PRESENT
INPUT OR OUTPUT SPEED SENSOR ERRORS
LOW LINE PRESSURE
FAILED UD OR 2/4 CLUTCH
CUT OR TORN UD OR 2/4 CLUTCH PISTON SEAL
CUT UD OR 2/4 ACCUMULATOR PISTON SEAL
STUCK MAIN REGULATOR VALVE
SOLENOID MODULE
BROKEN INPUT SHAFT
FAILED UD SHAFT
GEARTRAIN FAILURE

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .

  1. When Monitored: The Transmission gear ratio is monitored continuously while the transmission is in gear.
  1. Set Condition: If the ratio of the Input RPM to the Output RPM does not match the current gear ratio when compared to the known gear ratio.
Possible Causes
RELATED TRANSMISSION DTCS PRESENT
INPUT OR OUTPUT SPEED SENSOR ERRORS
LOW LINE PRESSURE
FAILED UD OR OD CLUTCH
CUT OR TORN UD OR OD CLUTCH PISTON SEAL
CUT UD OR OD ACCUMULATOR PISTON SEAL
STUCK MAIN REGULATOR VALVE
SOLENOID MODULE
BROKEN INPUT SHAFT
FAILED UD SHAFT
FAILED OD SHAFT
FAILED REAR PLANETARY GEARSET
FAILED FRONT CARRIER
FAILED REAR ANNULUS SHELL / SNAP RINGS

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .

  1. When Monitored: The Transmission gear ratio is monitored continuously while the transmission is in gear.
  1. Set Condition: If the ratio of the Input RPM to the Output RPM does not match the current gear ratio when compared to the known gear ratio.
Possible Causes
RELATED TRANSMISSION DTCS PRESENT
INPUT OR OUTPUT SPEED SENSOR ERRORS
LOW LINE PRESSURE
FAILED OD OR 2/4 CLUTCH
CUT OR TORN OD OR 2/4 CLUTCH PISTON SEAL
CUT OD OR 2/4 ACCUMULATOR PISTON SEAL
STUCK MAIN REGULATOR VALVE
SOLENOID MODULE
BROKEN INPUT SHAFT
FAILED OD SHAFT
FAILED 2/4 CLUTCH HUB
FAILED PLANETARY GEARSET

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .

  1. When Monitored: The Transmission gear ratio is monitored continuously while the transmission is in gear.
  1. Set Condition: If the ratio of the Input RPM to the Output RPM does not match the current gear ratio when compared to the known gear ratio.
Possible Causes
RELATED TRANSMISSION DTCS PRESENT
INPUT OR OUTPUT SPEED SENSOR ERRORS
LOW LINE PRESSURE
FAILED REVERSE OR LR CLUTCH
CUT OR TORN REVERSE OR LR CLUTCH PISTON SEAL
CUT LR ACCUMULATOR PISTON SEAL
STUCK MAIN REGULATOR VALVE
SOLENOID MODULE
BROKEN INPUT SHAFT
FAILED REVERSE CLUTCH HUB
FAILED FRONT PLANETARY GEARSET
FAILED REAR ANNULUS GEAR DRIVE SHELL

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .

  1. When Monitored: The Torque Converter Clutch (TCC) is in FEMCC or PEMCC, Transmission temperature is hot, Engine temperature is greater than 38° C or 100° F, Transmission Input Speed greater than engine speed, TPS less than 30°, and brake not applied.
  1. Set Condition: The TCC is modulated by controlling the duty cycle of the L/R Solenoid until the difference between the Engine RPM and the Transmission Input Speed RPM or duty cycle is within a desired range. The DTC is set after the period of 10 seconds and three occurrences of either: FEMCC - with slip greater than 100 RPM or PEMCC - duty cycle greater than 85%.
Possible Causes
RELATED L/R SOLENOID OR PRESSURE SWITCH DTCS PRESENT

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .

  1. When Monitored: Initially at ignition on, then every 10 seconds thereafter. The solenoids will also be tested immediately after a gear ratio error or pressure switch error is detected.
  1. Set Condition: Three consecutive solenoid continuity test failures, or one failure if test is run in response to a gear ratio or pressure switch error.
Possible Causes
RELATED DTCS PRESENT
(T20) L/R CONTROL CIRCUIT OPEN
(T20) L/R CONTROL CIRCUIT SHORT TO GROUND
(T20) L/R CONTROL CIRCUIT SHORT TO VOLTAGE
TRANSMISSION SOLENOID/PRESSURE SWITCH ASSEMBLY
POWERTRAIN CONTROL MODULE

Always perform the 40/41TE Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure

Scheme 33

Scheme 33: Diagnostic Test

Scheme 34

Scheme 34

Scheme 35

Scheme 35
  1. CHECK FOR RELATED DTCS With the scan tool, read DTCs. Are there any Transmission Control Relay or TCM Power Input DTCs present also? Yes Refer to DTC Based Diagnostics and perform the appropriate diagnostic procedure. No Go to step 2
  2. CHECK IF THE DTC IS CURRENT With the scan tool, read DTCs. Is the status Active or is Starts Since Set counter set at 0 for this DTC? Yes Go to step 3 No Go to step 7
  3. CHECK THE PCM AND WIRING USING THE TRANSMISSION SIMULATOR Turn the ignition off to the lock position. Remove the Ignition Switch Feed fuse from the TIPM. CAUTION: Removal of the Ignition Switch Feed fuse from the TIPM will prevent the vehicle from being started in gear. WARNING: The Ignition Switch Feed fuse must be removed from the TIPM. Failure to do so can result in possible serious or fatal injury. Install the Transmission Simulator, Miller tool #8333A and the Electronic Transmission Adapter kit. Ignition on, engine not running. With the scan tool, actuate the L/R Solenoid. Monitor the L/R Solenoid LED on the Transmission Simulator. Did the L/R Solenoid LED on the Transmission Simulator blink on and off during actuation? Yes Replace the Transmission Solenoid/Pressure Switch Assembly in accordance with the Service Information. Perform 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) No Go to step 4
  4. CHECK THE (T20) L/R CONTROL CIRCUIT FOR AN OPEN Turn the ignition off to the lock position. Disconnect the PCM C2 harness connector. Disconnect the Transmission Solenoid/Pressure Switch Assembly harness connector. Measure the resistance of the (T20) L/R Control circuit between the PCM C2 harness connector and the Solenoid/Pressure Switch Assembly harness connector. Is the resistance above 5.0 ohms? Yes Repair the (T20) L/R Control circuit for an open. Perform 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) No Go to step 5
  5. CHECK THE (T20) L/R CONTROL CIRCUIT FOR A SHORT TO GROUND Measure the resistance between ground and the (T20) L/R Control circuit. Is the resistance below 5.0 ohms? Yes Repair the (T20) L/R Control circuit for a short to ground. Perform 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) No Go to step 6
  6. CHECK THE (T20) L/R CONTROL CIRCUIT FOR A SHORT TO VOLTAGE Ignition on, engine not running. With the scan tool in the TIPM, actuate the TCM output. Measure the voltage of the (T20) L/R Control circuit. Is the voltage above 0.5 volts? Yes Repair the (T20) L/R Control circuit for a short to voltage. Perform 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) No Using the schematics as a guide, check the Powertrain Control Module (PCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for Service Information Tune-ups or Service Bulletins for any possible causes that may apply. If no problems are found, replace and program the PCM in accordance with the Service Information. With the scan tool, perform Quick Learn. Perform 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000)
  7. CHECK THE WIRING AND CONNECTORS The conditions necessary to set the DTC are not present at this time. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit. Wiggle the wires while checking for shorted and open circuits. With the scan tool, check the Event Data to help identify the conditions in which the DTC was set. Check for Service Information Tune-ups or Service Bulletins for any possible causes that may apply. Were there any problems found? Yes Repair as necessary. Perform 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) No Test Complete.
  1. When Monitored: Initially at ignition on, then every 10 seconds thereafter. The solenoids will also be tested immediately after a gear ratio error or pressure switch error is detected.
  1. Set Condition: Three consecutive solenoid continuity test failures, or one failure if test is run in response to a gear ratio or pressure switch error.
Possible Causes
RELATED DTCS PRESENT
(T19) 2/4 CONTROL CIRCUIT OPEN
(T19) 2/4 CONTROL CIRCUIT SHORTED TO GROUND
(T19) 2/4 CONTROL CIRCUIT SHORTED TO VOLTAGE
TRANSMISSION SOLENOID/PRESSURE SWITCH ASSEMBLY
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .

Scheme 36

Scheme 36: Diagnostic Test

Scheme 37

Scheme 37

Scheme 38

Scheme 38
  1. CHECK FOR RELATED DTCS With the scan tool, read DTCs. Are there any Transmission Control Relay or TCM Power Input DTCs present also? Yes See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Diagnosis and Testing»(ref-353603-S18034344452010011200000) and perform the appropriate diagnostic procedure. No Go to step 2
  2. CHECK TO SEE IF THE DTC IS CURRENT With the scan tool, read DTCs. Is the status Active or is the Starts Since Set counter set at 0 for this DTC? Yes Go to step 3 No Go to step 7
  3. CHECK THE PCM AND WIRING USING THE TRANSMISSION SIMULATOR Turn the ignition off to the lock position. Remove the Ignition Switch Feed fuse from the TIPM. CAUTION: Removal of the Ignition Switch Feed fuse from the TIPM will prevent the vehicle from being started in gear. WARNING: The Ignition Switch Feed fuse must be removed from the TIPM. Failure to do so can result in possible serious or fatal injury. Install the Transmission Simulator 8333A and the Electronic Transmission Adapter kit. Ignition on, engine not running. With the scan tool, actuate the 2/4 Solenoid. Monitor the 2/4 Solenoid LED on the Transmission Simulator. Did the 2/4 Solenoid LED on the Transmission Simulator blink on and off during actuation? Yes Replace the Transmission Solenoid/Pressure Switch Assembly in accordance with the Service Information. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) . No Go to step 4
  4. CHECK THE (T19) 2/4 CONTROL CIRCUIT FOR AN OPEN Turn the ignition off to the lock position. Disconnect the PCM C2 harness connector. Disconnect the Transmission Simulator 8333A and the Electronic Transmission Adapter kit. Measure the resistance of the (T19) 2/4 Control circuit between the PCM C2 harness connector and the Solenoid/Pressure Switch Assembly harness connector. Is the resistance above 5.0 Ohms? Yes Repair the (T19) 2/4 Control circuit for an open. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) . No Go to step 5
  5. CHECK THE (T19) 2/4 CONTROL CIRCUIT FOR A SHORT TO GROUND Measure the resistance between ground and the (T19) 2/4 Control circuit. Is the resistance below 5.0 Ohms? Yes Repair the (T19) 2/4 Control circuit for a short to ground. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) . No Go to step 6
  6. CHECK THE (T19) 2/4 CONTROL CIRCUIT FOR A SHORT TO VOLTAGE Ignition on, engine not running. With the scan tool in the TIPM, actuate the Transmission. Measure the voltage of the (T19) 2/4 Control circuit. Is the voltage above 0.5 of a volt? Yes Repair the (T19) 2/4 Control circuit for a short to voltage. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) . No Using the schematics as a guide, check the Powertrain Control Module (PCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for Service Information Tune-ups or Service Bulletins for any possible causes that may apply. If no problems are found, replace and program the PCM in accordance with the Service Information. With the scan tool, perform Quick Learn. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) .
  7. CHECK THE WIRING AND CONNECTORS The conditions necessary to set the DTC are not present at this time. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit. Wiggle the wires while checking for shorted and open circuits. With the scan tool, check the Event Data to help identify the conditions in which the DTC was set. Check for Service Information Tune-ups or Service Bulletins for any possible causes that may apply. Were there any problems found? Yes Repair as necessary. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) . No Test Complete.
  1. When Monitored: Initially at ignition on, then every 10 seconds thereafter. The solenoids will also be tested immediately after a gear ratio error or pressure switch error is detected.
  1. Set Condition: Three consecutive solenoid continuity test failures, or one failure if test is run in response to a gear ratio or pressure switch error.
Possible Causes
RELATED DTCS PRESENT
(T60) OD CONTROL CIRCUIT OPEN
(T60) OD CONTROL CIRCUIT SHORT TO GROUND
(T60) OD CONTROL CIRCUIT SHORT TO VOLTAGE
TRANSMISSION SOLENOID/PRESSURE SWITCH ASSEMBLY
POWERTRAIN CONTROL MODULE

Always perform the 40/41TE Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure

Scheme 39

Scheme 39: Diagnostic Test

Scheme 40

Scheme 40

Scheme 41

Scheme 41
  1. CHECK FOR RELATED DTCS With the scan tool, read DTCs. Are there any Transmission Control Relay or TCM Power Input DTCs present also? Yes Refer to DTC Based Diagnostics and perform the appropriate diagnostic procedure. No Go to step 2
  2. CHECK IF THE DTC IS CURRENT With the scan tool, read DTCs. Is the status Active or is the Starts Since Set counter set at 0 for this DTC? Yes Go to step 3 No Go to step 7
  3. CHECK THE PCM AND WIRING USING THE TRANSMISSION SIMULATOR Turn the ignition off to the lock position. Remove the Ignition Switch Feed fuse from the TIPM. CAUTION: Removal of the Ignition Switch Feed fuse from the TIPM will prevent the vehicle from being started in gear. WARNING: The Ignition Switch Feed fuse must be removed from the TIPM. Failure to do so can result in possible serious or fatal injury. Install the Transmission Simulator, Miller tool #8333A and the Electronic Transmission Adapter kit. Ignition on, engine not running. With the scan tool, actuate the OD Solenoid. Monitor the OD Solenoid LED on the Transmission Simulator. Did the OD Solenoid LED on the Transmission Simulator blink on and off during actuation? Yes Replace the Transmission Solenoid/Pressure Switch Assembly in accordance with the Service Information. Perform 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) No Go to step 4
  4. CHECK THE (T60) OD CONTROL CIRCUIT FOR AN OPEN Turn the ignition off to the lock position. Disconnect the PCM C2 harness connector. Disconnect the Transmission Simulator, Miller tool #8333A and the Electronic Transmission Adapter kit. Measure the resistance of the (T60) OD Control circuit between the PCM C2 harness connector and the Solenoid/Pressure Switch Assembly harness connector. Is the resistance above 5.0 ohms? Yes Repair the (T60) OD Control circuit for an open. Perform 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) No Go to step 5
  5. CHECK THE (T60) OD CONTROL CIRCUIT FOR A SHORT TO GROUND Measure the resistance between ground and the (T60) OD Control circuit. Is the resistance below 5.0 ohms? Yes Repair the (T60) OD Control circuit for a short to ground. Perform 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) No Go to step 6
  6. CHECK THE (T60) OD CONTROL CIRCUIT FOR A SHORT TO VOLTAGE Ignition on, engine not running. With the scan tool under TIPM, actuate the Transmission. Measure the voltage of the (T60) OD Control circuit. Is the voltage above 0.5 volts? Yes Repair the (T60) OD Control circuit for a short to voltage. Perform 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) No Using the schematics as a guide, check the Powertrain Control Module (PCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for Service Information Tune-ups or Service Bulletins for any possible causes that may apply. If no problems are found, replace and program the PCM in accordance with the Service Information. With the scan tool, perform Quick Learn. Perform 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000)
  7. CHECK THE WIRING AND CONNECTORS The conditions necessary to set the DTC are not present at this time. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit. Wiggle the wires while checking for shorted and open circuits. With the scan tool, check the Event Data to help identify the conditions in which the DTC was set. Were there any problems found? Yes Repair as necessary. Perform 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) No Test Complete.
  1. When Monitored: Initially at ignition on, then every 10 seconds thereafter. The solenoids will also be tested immediately after a gear ratio error or pressure switch error is detected.
  1. Set Condition: Three consecutive solenoid continuity test failures, or one failure if test is run in response to a gear ratio or pressure switch error.
Possible Causes
RELATED DTCS PRESENT
(T59) UD CONTROL CIRCUIT OPEN
(T59) UD CONTROL CIRCUIT SHORT TO GROUND
(T59) UD CONTROL CIRCUIT SHORT TO VOLTAGE
TRANSMISSION SOLENOID/PRESSURE SWITCH ASSEMBLY
POWERTRAIN CONTROL MODULE

Always perform the 40/41TE Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure

Scheme 42

Scheme 42: Diagnostic Test

Scheme 43

Scheme 43

Scheme 44

Scheme 44
  1. CHECK FOR RELATED DTCS With the scan tool, read DTCs Are there any Transmission Control Relay or TCM Power Input DTCs present also? Yes Refer to DTC Based Diagnostics and perform the appropriate diagnostic procedure. No Go to step 2
  2. CHECK IF THE DTC IS CURRENT With the scan tool, read DTCs. Is the status Active or is the Starts Since Set counter set at 0 for this DTC? Yes Go to step 3 No Go to step 7
  3. CHECK THE PCM AND WIRING USING THE TRANSMISSION SIMULATOR Turn the ignition off to the lock position. Remove the Ignition Switch Feed fuse from the TIPM. CAUTION: Removal of the Ignition Switch Feed fuse from the TIPM will prevent the vehicle from being started in gear. WARNING: The Ignition Switch Feed fuse must be removed from the TIPM. Failure to do so can result in possible serious or fatal injury. Install the Transmission Simulator, Miller tool #8333A and the Electronic Transmission Adapter kit. Ignition on, engine not running. With the scan tool, actuate the UD Solenoid. Monitor the UD Solenoid LED on the Transmission Simulator. Did the UD Solenoid LED on the Transmission Simulator blink on and off during actuation? Yes Replace Transmission Solenoid/Pressure Switch Assembly in accordance with the Service Information. Perform 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) No Go to step 4
  4. CHECK THE (T59) UD CONTROL CIRCUIT FOR AN OPEN Turn the ignition off to the lock position. Disconnect the PCM C2 harness connector. Disconnect the Transmission Simulator, Miller tool #8333A and the Electronic Transmission Adapter kit. Measure the resistance of the (T59) UD Control circuit between the PCM C2 harness connector and the Solenoid/Pressure Switch Assembly harness connector. Is the resistance above 5.0 ohms? Yes Repair the (T59) UD Control circuit for an open. Perform 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) No Go to step 5
  5. CHECK THE (T59) UD CONTROL CIRCUIT FOR A SHORT TO GROUND Measure the resistance between ground and the (T59) UD Control circuit. Is the resistance below 5.0 ohms? Yes Repair the (T59) UD Control circuit for a short to ground. Perform 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) No Go to step 6
  6. CHECK THE (T59) UD CONTROL CIRCUIT FOR A SHORT TO VOLTAGE Ignition on, engine not running. With the scan tool in the TIPM, actuate the TCM output. Measure the voltage of the (T59) UD Control circuit. Is the voltage above 0.5 volts? Yes Repair the (T59) UD Control circuit for a short to voltage. Perform 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) No Using the schematics as a guide, check the Powertrain Control Module (PCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for Service Information Tune-ups or Service Bulletins for any possible causes that may apply. If no problems are found, replace and program the PCM in accordance with the Service Information. With the scan tool, perform Quick Learn. Perform 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000)
  7. CHECK THE WIRING AND CONNECTORS The conditions necessary to set the DTC are not present at this time. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit. Wiggle the wires while checking for shorted and open circuits. With the scan tool, check the Event Data to help identify the conditions in which the DTC was set. Were there any problems found? Yes Repair as necessary. Perform 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) No Test Complete.
  1. When Monitored: Whenever the engine is running.
  1. Set Condition: The DTC is set if the L/R pressure switch is open or closed at the wrong time in a given gear. If the problem is identified for three successive key starts, the transmission will go into Limp-in mode and the MIL will turn on after 10 seconds of vehicle operation.
Possible Causes
RELATED TRANSMISSION DTCS PRESENT
LOSS OF PRIME DTC PRESENT
(T50) L/R PRESSURE SIGNAL CIRCUIT OPEN
(T50) L/R PRESSURE SIGNAL CIRCUIT SHORTED TO GROUND
(T50) L/R PRESSURE SIGNAL CIRCUIT SHORTED TO VOLTAGE
TRANSMISSION SOLENOID/PRESSURE SWITCH ASSEMBLY
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .

GEARL/R2/4OD
ROPENOPENOPEN
P/NCLOSEDOPENOPEN
1stCLOSEDOPENOPEN
2ndOPENCLOSEDOPEN
DOPENOPENCLOSED
ODOPENCLOSEDCLOSED

PRESSURE SWITCH STATES

Scheme 45

Scheme 45: Diagnostic Test

Scheme 46

Scheme 46

Scheme 47

Scheme 47
  1. CHECK FOR RELATED DTCS With the scan tool, read Transmission DTCs. Are there any Transmission Control Relay or TCM Power Input DTCs present also? Yes See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Diagnosis and Testing»(ref-353603-S18034344452010011200000) and perform the appropriate diagnostic procedure. No Go to step 2
  2. CHECK FOR A LOSS OF PRIME DTC With the scan tool, read Transmission DTCs. Is the DTC P0944 present also? Yes See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Diagnosis and Testing»(ref-353603-S18034344452010011200000) and perform the appropriate diagnostic procedure. No Go to step 3
  3. CHECK IF THE DTC IS CURRENT With the scan tool, read Transmission DTCs. Is the status active for this DTC or is the Starts Since Set counter 2 or less? Yes Go to step 4 No Go to step 8
  4. CHECK THE PCM AND WIRING WITH THE TRANSMISSION SIMULATOR Turn the ignition off to the lock position. Remove the Ignition Switch Feed fuse from the TIPM. CAUTION: Removal of the Ignition Switch Feed fuse from the TIPM will prevent the vehicle from being started in gear. WARNING: The Ignition Switch Feed fuse must be removed from the TIPM. Failure to do so can result in possible serious or fatal injury. Install the Transmission Simulator 8333A and the Electronic Transmission Adapter kit. NOTE: Check connectors - Clean/repair as necessary. Ignition on, engine not running. With the Transmission Simulator, turn the Pressure Switch selector to L/R. With the scan tool, monitor the L/R Pressure Switch state while pressing the Pressure Switch Test button on the Transmission Simulator. Did the L/R Pressure Switch state change? Yes Replace the Transmission Solenoid/Pressure Switch Assembly in accordance with the Service Information. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) . No Go to step 5
  5. CHECK THE (T50) L/R PRESSURE SIGNAL CIRCUIT FOR AN OPEN Turn the ignition off to the lock position. Disconnect the PCM C2 harness connector. Disconnect the Transmission Simulator 8333A and the Electronic Transmission Adapter kit. Measure the resistance of the (T50) L/R Pressure Signal circuit between the PCM C2 harness connector and the Transmission Solenoid/Pressure Switch Assembly harness connector. Is the resistance above 5.0 Ohms? Yes Repair the (T50) L/R Pressure Signal circuit for an open. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) . No Go to step 6
  6. CHECK THE (T50) L/R PRESSURE SIGNAL CIRCUIT FOR A SHORT TO GROUND Measure the resistance between ground and the (T50) L/R Pressure Signal circuit. Is the resistance below 5.0 Ohms? Yes Repair the (T50) L/R Pressure Signal circuit for a short to ground. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) . No Go to step 7
  7. CHECK THE (T50) L/R PRESSURE SIGNAL CIRCUIT FOR A SHORT TO VOLTAGE Ignition on, engine not running. With the scan tool in the TIPM, actuate the TCM output. Measure the voltage of the (T50) L/R Pressure Signal circuit. Is the voltage above 0.5 of a volt? Yes Repair the (T50) L/R Pressure Signal circuit for a short to voltage. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) . No Using the schematics as a guide, check the Powertrain Control Module (PCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for Service Information Tune-ups or Service Bulletins for any possible causes that may apply. If no problems are found, replace and program the PCM in accordance with the Service Information. With the scan tool, perform Quick Learn. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) .
  8. CHECK THE WIRING AND CONNECTORS The conditions necessary to set the DTC are not present at this time. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit. Wiggle the wires while checking for shorted and open circuits. With the scan tool, check the Event Data to help identify the conditions in which the DTC was set. Were there any problems found? Yes Repair as necessary. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) . No Test Complete.
  1. When Monitored: In any forward gear with engine speed above 1000 RPM, shortly after a shift and every minute thereafter.
  1. Set Condition: After a shift into a forward gear, with engine speed greater than 1000 RPM, the PCM momentarily turns on element pressure to the clutch circuits that don't have pressure to verify that the correct pressure switch closes. If the pressure switch does not close two times the DTC sets.
Possible Causes
LOSS OF PRIME P0944 PRESENT
(T16) TRANSMISSION CONTROL OUTPUT CIRCUIT OPEN
(T47) 2/4 PRESSURE SIGNAL CIRCUIT OPEN
(T47) 2/4 PRESSURE SIGNAL CIRCUIT SHORTED TO GROUND
(T47) 2/4 PRESSURE SIGNAL CIRCUIT SHORTED TO VOLTAGE
TRANSMISSION SOLENOID/PRESSURE SWITCH ASSEMBLY
CONTAMINATED FLUID (TYPICALLY WATER CONTAMINATION)
VALVE BODY INTERNAL LEAKAGE
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .

Scheme 48

Scheme 48: Diagnostic Test

Scheme 49

Scheme 49

Scheme 50

Scheme 50

Scheme 51

Scheme 51
  1. CHECKING FOR LOSS OF PRIME DTC With the scan tool, check for other Transmission DTCs. Is the DTC P0944 present also? Yes See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Diagnosis and Testing»(ref-353603-S18034344452010011200000) and perform the appropriate diagnostic procedure. No Go to step 2
  2. CHECK FOR RELATED TRANSMISSION DTCS With the scan tool, read Transmission DTCs. Are any of the DTCs P0732, P0734 and/or P0846 present also? Yes Replace the Transmission Solenoid/Pressure Switch Assembly in accordance with the Service Information. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) . No Go to step 3
  3. CHECK FOR CONTAMINATED FLUID Check the transmission fluid for water or other contamination. Is the transmission fluid contaminated? Yes Repair the cause of the transmission fluid contamination in accordance with the Service Information. No Go to step 4
  4. CHECK IF THE DTC P0845 IS CURRENT With the scan tool, view DTCs. Is the status Active or is the Starts Since Set counter 2 or less for this DTC? Yes Go to step 5 No Go to step 10
  5. CHECK THE PCM AND WIRING WITH THE TRANSMISSION SIMULATOR Turn the ignition off to the lock position. Remove the Ignition Switch Feed fuse from the TIPM. CAUTION: Removal of the Ignition Switch Feed fuse from the TIPM will prevent the vehicle from being started in gear. WARNING: The Ignition Switch Feed fuse must be removed from the TIPM. Failure to do so can result in possible serious or fatal injury. Install the Transmission Simulator 8333A and the Electronic Transmission Adapter kit. NOTE: Check connectors - Clean/repair as necessary. Ignition on, engine not running. With the Transmission Simulator, turn the Pressure Switch selector switch to 2/4. With the scan tool, monitor the 2/4 Pressure Switch state while pressing the Pressure Switch Test button on the Transmission Simulator. Wiggle the wires leading to the PCM while pressing and holding the Pressure Switch Test button. Did the 2/4 Pressure Switch state change from open to closed when the test button was pressed, and remain closed while wiggling the wires? Yes Disassemble and inspect the Valve Body in accordance with the Service Information. If no problems are found in the «BODY»(ref-352850) . Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) . No Go to step 6
  6. CHECK THE (T47) 2/4 PRESSURE SIGNAL CIRCUIT FOR AN OPEN Turn the ignition off to the lock position. Disconnect the Transmission Simulator 8333A and the Electronic Transmission Adapter kit. Disconnect the PCM C2 harness connector. Measure the resistance of the (T47) 2/4 Pressure Signal circuit between the PCM C2 harness connector and the Transmission Solenoid/Pressure Switch Assembly harness connector. Is the resistance above 5.0 Ohms? Yes Repair the (T47) 2/4 Pressure Signal circuit for an open. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) . No Go to step 7
  7. CHECK THE (T47) 2/4 PRESSURE SIGNAL CIRCUIT FOR A SHORT TO GROUND Measure the resistance between ground and the (T47) 2/4 Pressure Signal circuit. Is the resistance below 5.0 Ohms? Yes Repair the (T47) 2/4 Pressure Signal circuit for a short to ground. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) . No Go to step 8
  8. CHECK THE (T47) 2/4 PRESSURE SIGNAL CIRCUIT FOR A SHORT TO VOLTAGE Ignition on, engine not running. With the scan tool under TIPM, actuate the Transmission. Measure the voltage of the (T47) 2/4 Pressure Signal circuit. Is the voltage above 0.5 of a volt? Yes Repair the (T47) 2/4 Pressure Signal circuit for a short to voltage. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) . No Go to step 9
  9. CHECK THE (T16) TRANSMISSION CONTROL OUTPUT CIRCUIT FOR AN OPEN NOTE: Continue actuation of the Transmission under TIPM. Using a 12-volt test light connected to ground, check (T16) Transmission Control Output circuit in the Transmission Solenoid/Pressure Switch Assembly harness connector. NOTE: The test light must illuminate brightly. Compare the brightness to that of a direct connection to the battery. Does the test light illuminate brightly? Yes Using the schematics as a guide, check the Powertrain Control Module (PCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for Service Information Tune-ups or Service Bulletins for any possible causes that may apply. If no problems are found, replace and program the PCM in accordance with the Service Information. With the scan tool, perform Quick Learn. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) . No Repair the Transmission Control Output circuit for an open or high resistance. If the fuse is open make sure to check for a short to ground. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) .
  10. CHECK THE WIRING AND CONNECTORS The conditions necessary to set the DTC are not present at this time. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit. Wiggle the wires while checking for shorted and open circuits. With the scan tool, check the Event Data to help identify the conditions in which the DTC was set. Were there any problems found? Yes Repair as necessary. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) . No Test Complete.
  1. When Monitored: Whenever the engine is running.
  1. Set Condition: The DTC is set if the 2/4 pressure switch is open or closed at the wrong time in a given gear. If the problem is identified for three successive ignition starts, the transmission will go into Limp-in mode and the MIL will turn on after 10 seconds of vehicle operation.
Possible Causes
RELATED TCM POWER INPUT OR TRANSMISSION CONTROL RELAY DTCS PRESENT
LOSS OF PRIME DTC PRESENT
(T47) 2/4 PRESSURE SIGNAL CIRCUIT OPEN
(T47) 2/4 PRESSURE SIGNAL CIRCUIT SHORTED TO GROUND
(T47) 2/4 PRESSURE SIGNAL CIRCUIT SHORTED TO VOLTAGE
TRANSMISSION SOLENOID/PRESSURE SWITCH ASSEMBLY
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .

GEARL/R2/4OD
ROPENOPENOPEN
P/NCLOSEDOPENOPEN
1stCLOSEDOPENOPEN
2ndOPENCLOSEDOPEN
DOPENOPENCLOSED
ODOPENCLOSEDCLOSED

PRESSURE SWITCH STATES

  1. When Monitored: Continuously while driving in a forward gear.
  1. Set Condition: The Powertrain Control Module (PCM) continuously monitors Actual Line Pressure and compares it to Desired Line Pressure. If the Actual Line Pressure is more than 69 kPa (5 psi) below Desired Line Pressure while the PCS duty cycle is at or near its minimum value, this DTC will set.
Possible Causes
CHECK FOR RELATED DTCS
LOW FLUID LEVEL
(T854) 5-VOLT SUPPLY CIRCUIT OPEN
(T854) 5-VOLT SUPPLY CIRCUIT SHORTED TO GROUND
(T854) 5-VOLT SUPPLY CIRCUIT SHORTED TO VOLTAGE
(T118) LP VFS CONTROL CIRCUIT SHORTED TO ANOTHER CIRCUIT
INTERNAL TRANSMISSION
LINE PRESSURE SENSOR
CRACKED, PLUGGED, OR MIS-INSTALLED PRIMARY OIL FILTER
STUCK OR STICKING MAIN REGULATOR VALVE
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .

Scheme 52

Scheme 52: Diagnostic Test

Scheme 53

Scheme 53

Scheme 54

Scheme 54

Scheme 55

Scheme 55
  1. CHECK FOR RELATED DTCS With the scan tool, check for other transmission DTCs. Is the DTC P0932 present also? Yes See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Diagnosis and Testing»(ref-353603-S18034344452010011200000) and perform the appropriate diagnostic procedure. No Go to step 2
  2. CHECK IF THE DTC IS CURRENT With the scan tool, check the Starts Since Set counter for P0868. NOTE: This counter only applies to the last DTC set. Is the Starts Since Set Counter 2 or less? Yes Go to step 3 No Go to step 10
  3. CHECK THE PCM AND WIRING Turn the ignition off to the lock position. Remove the Ignition Switch Feed fuse from the TIPM. CAUTION: Removal of the Ignition Switch Feed fuse from the TIPM will prevent the vehicle from being started in gear. WARNING: The Ignition Switch Feed fuse must be removed from the TIPM. Failure to do so can result in possible serious or fatal injury. Install the Transmission Simulator 8333A and the Electronic Transmission Adapter kit. On the Transmission Simulator select the "OFF" position of the "Input/Output Speed" switch. Ignition on, engine not running. With the scan tool, monitor the Line Pressure during the following steps. Using the Transmission Simulator, set the rotary knob to each of the three line pressure positions. NOTE: All three scan tool Line Pressure readings should be steady and ± 14 kPa or 2.0 psi (0.2 of a volt) of the reading specified on the Transmission Simulator. Did the Line Pressure read within ± 14 kPa or 2.0 psi (0.2 of a volt) in all three positions? Yes Go to step 4 No Go to step 6
  4. CHECK THE LINE PRESSURE SENSOR Turn the ignition off to the lock position. Disconnect the Transmission Simulator 8333A and reconnect all previously disconnected connectors. Install a Pressure Gauge, 0 to 2000 kPa or 0 to 300 psi to the L/R test port. Start the engine in park. Monitor the line pressure readings of both the scan tool and the pressure gauge and compare the two readings. Is the line pressure gauge reading within 34 kPa or 5 psi of the scan tool reading? Yes Go to step 5 No Replace the Line Pressure Sensor in accordance with the Service Information. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) .
  5. CHECK FOR A PLUGGED TRANSMISSION OIL FILTER Turn the ignition off to the lock position. Remove and inspect the Transmission Oil Pan for excessive debris in accordance with the Service Information. Remove and inspect the Transmission Oil Filter in accordance with the Service Information. Does the Oil Pan contain excessive debris and/or is the Transmission Oil Filter plugged? Yes Repair as necessary. If the Transmission Oil Filter is plugged or there is excessive debris, refer to the Service Information for the proper Hydraulic repair procedure. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) . No Repair internal transmission and inspect the Transmission Oil Pump in accordance with the Service Information and replace if necessary. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) .
  6. CHECK THE (T854) 5-VOLT SUPPLY CIRCUIT FOR A SHORT TO VOLTAGE Disconnect the Transmission Simulator 8333A and the Electronic Transmission Adapter kit. Reconnect all previously disconnected connectors except the Line Pressure Sensor/Variable Force Solenoid Assembly harness connector. Ignition on, engine not running. Measure the voltage of the (T854) 5-volt Supply circuit. Is the voltage above 5.5 volts? Yes Repair the (T854) 5-volt Supply circuit for a short to voltage. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) . No Go to step 7
  7. CHECK THE (T854) 5-VOLT SUPPLY CIRCUIT FOR AN OPEN Turn the ignition off to the lock position. Disconnect the PCM C2 harness connector. Disconnect the Line Pressure/Variable Force Solenoid harness connector. Measure the resistance of the (T854) 5-volt Supply circuit between the PCM C2 harness connector and the Line Pressure Sensor/Variable Force Solenoid Assembly harness connector. Is the resistance above 5.0 Ohms? Yes Repair the (T854) 5-volt Supply circuit for an open. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) . No Go to step 8
  8. CHECK THE (T854) 5-VOLT SUPPLY CIRCUIT FOR A SHORT TO GROUND Measure the resistance between ground and the (T854) 5-volt Supply circuit. Is the resistance below 5.0 Ohms? Yes Repair the (T854) 5-volt Supply circuit for a short to ground. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) . No Go to step 9
  9. CHECK THE (T118) LP VFS CONTROL CIRCUIT FOR A SHORT TO ANOTHER CIRCUIT Measure the resistance between the (T118) LP VFS Control circuit and all other circuits in the Line Pressure Sensor/Variable Force Solenoid Assembly harness connector. Is the resistance below 5.0 Ohms between the (T118) LP VFS Control circuit and any other circuit(s) in the Line Pressure Sensor/Variable Force Solenoid Assembly harness connector? Yes Repair the (T118) LP VFS Control circuit for a short to another circuit(s). Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) . No Using the schematics as a guide, check the Powertrain Control Module (PCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for any Service Bulletins that may apply. If no problems are found, replace and program the PCM in accordance with the Service Information. With the scan tool perform the Quick Learn procedure. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) .
  10. CHECK THE WIRING AND CONNECTORS The conditions necessary to set this DTC are not present at this time. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit. Wiggle the wires while checking for shorted and open circuits. With the scan tool, check the Event Data to help identify the conditions in which the DTC was set. Check for any Service Bulletins that may apply. Where there any problems found? Yes Repair as necessary. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) . No Test Complete.
  1. When Monitored: Continuously while driving in a forward gear.
  1. Set Condition: The Powertrain Control Module (PCM) continuously monitors Actual Line Pressure. If the Actual Line Pressure reading is greater than the highest Desired Line Pressure ever used in the current gear, while the Line Pressure Solenoid duty cycle is at or near its maximum value (which should result in minimum line pressure), the DTC will set.
Possible Causes
LINE PRESSURE SENSOR CONNECTION
(T118) LP VFS CONTROL CIRCUIT OPEN
(T118) LP VFS CONTROL CIRCUIT SHORTED TO GROUND
(T854) 5-VOLT SUPPLY CIRCUIT OPEN
(T854) 5-VOLT SUPPLY CIRCUIT SHORTED TO GROUND
(T16) TRANSMISSION CONTROL OUTPUT CIRCUIT
LINE PRESSURE SENSOR
STUCK OR STICKING MAIN REGULATOR VALVE
POWERTRAIN CONTROL MODULE (PCM)

Always perform the 40/41TE Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .

Scheme 56

Scheme 56: Diagnostic Test

Scheme 57

Scheme 57
  1. CHECK FOR RELATED DTCS With the scan tool, read Transmission DTCs. Are there any Line Pressure Sensor, TCM Power Input or Transmission Control Relay DTCs present also? Yes See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Diagnosis and Testing»(ref-353603-S18034344452010011200000) and perform the appropriate diagnostic procedure. No Go to step 2
  2. CHECK IF THE DTC IS CURRENT With the scan tool, check the Starts Since Set counter for P0869. Is the Starts Since Set COUNTER 2 or less? Yes Go to step 3 No Go to step 9
  3. CHECK THE PCM AND WIRING Turn the ignition off to the lock position. Remove the Ignition Switch Feed fuse from the TIPM. CAUTION: Removal of the Ignition Switch Feed fuse from the TIPM will prevent the vehicle from being started in gear. WARNING: The Ignition Switch Feed fuse must be removed from the TIPM. Failure to do so can result in possible serious or fatal injury. Install the Transmission Simulator 8333A and the Electronic Transmission Adapter kit. With the Transmission Simulator select the "OFF" position on the "Input/Output Speed" switch. Ignition on, engine not running. With the scan tool, monitor the Line Pressure during the following step. Using the Transmission Simulator, set the rotary switch to each of the three line pressure positions. NOTE: All three scan tool Line Pressure readings should be steady and ± 14 kPa or 2.0 psi (0.2 of a volt) of the reading specified on the Transmission Simulator. Did the Line Pressure read within ± 14 kPa or 2.0 psi (0.2 of a volt) in all three positions? Yes Go to step 4 No Go to step 5
  4. CHECK THE LINE PRESSURE SENSOR CALIBRATION Turn the ignition off to the lock position. Disconnect the Transmission Simulator 8333A and the Electronic Transmission Adapter kit and reconnect all previously disconnected connectors. Install the Line Pressure Gauge C-3293, 0 to 2000 kPa or 0 to 300 psi in the L/R pressure port. Start the engine in park. Monitor the Line Pressure readings on the scan tool and the pressure gauge. Compare the Line Pressure readings between the scan tool and the pressure gauge. Is the pressure gauge reading within 34 kPa (5 psi) of the scan tool reading? Yes Repair the internal transmission and inspect the Transmission Oil Pump in accordance with the Service Information and replace if necessary. If no problem is found, replace the Line Pressure Variable Force Solenoid in accordance with the Service Information. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) . No Replace the Line Pressure Sensor in accordance with the Service Information. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) .
  5. CHECK THE (T118) LP VFS CONTROL CIRCUIT FOR AN OPEN Turn the ignition off to the lock position. Disconnect the Transmission Simulator 8333A and the Electronic Transmission Adapter kit. Disconnect the PCM C2 harness connector. Measure the resistance of the (T118) LP VFS Control circuit between the PCM C2 harness connector and the Line Pressure Sensor/Variable Force Solenoid Assembly harness connector. Is the resistance above 5.0 Ohms? Yes Repair the (T118) LP VFS Control circuit for an open. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) . No Go to step 6
  6. CHECK THE (T118) LP VFS CONTROL CIRCUIT FOR A SHORT TO GROUND Measure the resistance between ground and the (T118) LP VFS Control circuit. Is the resistance below 5.0 Ohms? Yes Repair the (T118) LP VFS Control circuit for a short to ground. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) . No Go to step 7
  7. CHECK THE (T854) 5-VOLT SUPPLY CIRCUIT FOR AN OPEN Measure the resistance of the (T854) 5-volt Supply circuit between the PCM C2 harness connector and the Line Pressure Sensor/Variable Force Solenoid Assembly harness connector. Is the resistance above 5.0 Ohms? Yes Repair the (T854) 5-volt Supply circuit for an open. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) . No Go to step 8
  8. CHECK THE (T854) 5-VOLT SUPPLY CIRCUIT FOR A SHORT TO GROUND Measure the resistance between ground and the (T854) 5-volt Supply circuit. Is the resistance below 5.0 Ohms? Yes Repair the (T854) 5-volt Supply circuit for a short to ground. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) . No Using the schematics as a guide, check the Powertrain Control Module (PCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for any Service Bulletins that may apply. If no problems are found, replace and program the PCM in accordance with the Service Information. With the scan tool perform the Quick Learn procedure. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) .
  9. CHECK THE WIRING AND CONNECTORS The conditions necessary to set this DTC are not present at this time. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit. Wiggle the wires while checking for shorted and open circuits. With the scan tool, check the Event Data to help identify the conditions in which the DTC was set. Perform any technical service bulletins that may apply. Where there any problems found? Yes Repair as necessary. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) . No Test Complete.
  1. When Monitored: In any forward gear with engine speed above 1000 RPM, shortly after a shift and every minute thereafter.
  1. Set Condition: After a shift into a forward gear, with engine speed greater than 1000 RPM, the Powertrain Control Module (PCM) momentarily turns on element pressure to the clutch circuits that don't have pressure to identify the correct pressure switch closes. If the pressure switch does not close two times the DTC sets.
Possible Causes
LOSS OF PRIME P0944 PRESENT
RELATED TCM POWER INPUT OR TRANSMISSION CONTROL RELAY DTCS PRESENT
(T9) OD PRESSURE SIGNAL CIRCUIT OPEN
(T9) OD PRESSURE SIGNAL CIRCUIT SHORTED TO GROUND
(T9) OD PRESSURE SIGNAL CIRCUIT SHORTED TO VOLTAGE
TRANSMISSION SOLENOID/PRESSURE SWITCH ASSEMBLY
CONTAMINATED FLUID (TYPICALLY WATER CONTAMINATION)
VALVE BODY INTERNAL LEAKAGE
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .

Scheme 58

Scheme 58: Diagnostic Test

Scheme 59

Scheme 59

Scheme 60

Scheme 60
  1. CHECKING FOR LOSS OF PRIME DTC With the scan tool, check Transmission DTCs. Is the DTC P0944 present also? Yes See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Diagnosis and Testing»(ref-353603-S18034344452010011200000) and perform the appropriate diagnostic procedure. No Go to step 2
  2. CHECK FOR RELATED TRANSMISSION DTCS With the scan tool, read Transmission DTCs. Are any of the DTCs P0732, P0734 and/or P0846 present also? Yes Replace the Transmission Solenoid/Pressure Switch Assembly in accordance with the Service Information. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) . No Go to step 3
  3. CHECK FOR CONTAMINATED FLUID Check the transmission fluid for water or other contamination. Is the transmission fluid contaminated? Yes Repair the cause of the transmission fluid contamination in accordance with the Service Information. No Go to step 4
  4. CHECK IF THE DTC IS CURRENT With the scan tool, check Transmission DTCs. Is the status Active or is the Starts Since Set counter 2 or less for this DTC? Yes Go to step 5 No Go to step 10
  5. CHECK THE PCM AND WIRING WITH THE TRANSMISSION SIMULATOR Turn the ignition off to the lock position. Remove the Ignition Switch Feed fuse from the TIPM. CAUTION: Removal of the Ignition Switch Feed fuse from the TIPM will prevent the vehicle from being started in gear. WARNING: The Ignition Switch Feed fuse must be removed from the TIPM. Failure to do so can result in possible serious or fatal injury. Install the Transmission Simulator 8333A and the Electronic Transmission Adapter kit. NOTE: Check connectors - Clean/repair as necessary. Ignition on, engine not running. With the Transmission Simulator, turn the Pressure Switch selector switch to OD. With the scan tool, monitor the OD Pressure Switch state while pressing the Pressure Switch Test button on the Transmission Simulator. Wiggle the wires leading to the PCM while pressing and holding the Pressure Switch Test button. Did the OD Pressure Switch state change from open to closed and remain closed when the button was pressed, while wiggling the wires? Yes Disassemble and inspect the Valve Body in accordance with the Service Information and repair or replace as necessary. If no problems are found in the «BODY»(ref-352850) . Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) . No Go to step 6
  6. CHECK THE (T9) OD PRESSURE SIGNAL CIRCUIT FOR AN OPEN Turn the ignition off to the lock position. Disconnect the PCM C2 harness connector. Disconnect the Transmission Simulator 8333A and the Electronic Transmission Adapter kit. Measure the resistance of the (T9) OD Pressure Signal circuit between the PCM C2 harness connector and the Transmission Solenoid/Pressure Switch Assembly harness connector. Is the resistance above 5.0 Ohms? Yes Repair the (T9) OD Pressure Signal circuit for an open. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) . No Go to step 7
  7. CHECK THE (T9) OD PRESSURE SIGNAL CIRCUIT FOR A SHORT TO GROUND Measure the resistance between ground and the (T9) OD Pressure Signal circuit. Is the resistance below 5.0 Ohms? Yes Repair the (T9) OD Pressure Signal circuit for a short to ground. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) . No Go to step 8
  8. CHECK THE (T9) OD PRESSURE SIGNAL CIRCUIT FOR A SHORT TO VOLTAGE Ignition on, engine not running. With the scan tool under TIPM, actuate the Transmission. Measure the voltage of the (T9) OD Pressure Signal circuit. Is the voltage above 0.5 of a volt? Yes Repair the (T9) OD Pressure Signal circuit for a short to voltage. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) . No Go to step 9
  9. CHECK THE (T16) TRANSMISSION CONTROL OUTPUT CIRCUIT FOR AN OPEN NOTE: Continue actuation of the Transmission under TIPM. Using a 12-volt test light connected to ground, check (T16) Transmission Control Output circuit in the Transmission Solenoid/Pressure Switch Assembly harness connector. NOTE: The test light must illuminate brightly. Compare the brightness to that of a direct connection to the battery. Does the test light illuminate brightly? Yes Using the schematics as a guide, check the Powertrain Control Module (PCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for Service Information Tune-ups or Service Bulletins for any possible causes that may apply. If no problems are found, replace and program the PCM in accordance with the Service Information. With the scan tool, perform Quick Learn. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) . No Repair the (T16) Transmission Control Output circuit for an open. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) .
  10. CHECK THE WIRING AND CONNECTORS The conditions necessary to set the DTC are not present at this time. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit. Wiggle the wires while checking for shorted and open circuits. With the scan tool, check the Event Data to help identify the conditions in which the DTC was set. Were there any problems found? Yes Repair as necessary. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) . No Test Complete.
  1. When Monitored: Whenever the engine is running.
  1. Set Condition: The DTC is set if the OD pressure switch is open or closed at the wrong time in a given gear. If the P0706 fault condition is also present, the transmission will go into Limp-in mode and the MIL will turn on.
Possible Causes
RELATED TCM POWER INPUT OR TRANSMISSION CONTROL RELAY DTCS PRESENT
LOSS OF PRIME DTC PRESENT
(T9) OD PRESSURE SIGNAL CIRCUIT OPEN
(T9) OD PRESSURE SIGNAL CIRCUIT SHORTED TO GROUND
(T9) OD PRESSURE SIGNAL CIRCUIT SHORTED TO VOLTAGE
TRANSMISSION SOLENOID/PRESSURE SWITCH ASSEMBLY
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .

GEARL/R2/4OD
REVERSEOPENOPENOPEN
P/NCLOSEDOPENOPEN
1STCLOSEDOPENOPEN
2NDOPENCLOSEDOPEN
DRIVEOPENOPENCLOSED
ODOPENCLOSEDCLOSED

PRESSURE SWITCH STATES

  1. When Monitored: When the ignition is turned from "OFF" position to "RUN" position and/or the ignition is turned from "START" position to "RUN" position.
  1. Set Condition: This DTC is set when there is less than 3.0 volts present at the transmission control output circuits located in the Powertrain Control Module (PCM) when the Transmission Control System requests the power up of those circuits.
Possible Causes
RELATED TIPM DTCS
(T15) TRANSMISSION CONTROL CIRCUIT SHORT TO GROUND
(T15) TRANSMISSION CONTROL CIRCUIT OPEN
POWERTRAIN CONTROL MODULE

Always perform the 40/41TE Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure

Scheme 61

Scheme 61: Diagnostic Test

Scheme 62

Scheme 62
  1. CHECK IF THE DTC P0882 IS CURRENT With the scan tool, Check the STARTS SINCE SET counter for P0882. NOTE: This counter only applies to the last DTC set. Is the STARTS SINCE SET counter equal to 0? Yes Go to step 2 No Go to step 5
  2. CHECK FOR TIPM RELATED DTCS With the scan tool, check TIPM DTCs. Are there any TCM Power Control Circuit DTCS present under TIPM? Yes Refer to the appropriate Transmission Information article and perform the appropriate diagnostic procedure(s). No Go to step 3
  3. CHECK THE (T15) TRANSMISSION CONTROL CIRCUIT FOR A SHORT TO GROUND Turn the ignition off to the lock position. Disconnect the PCM C2 harness connector. Disconnect the TIPM C2 harness connector. Measure the resistance between ground and the (T15) Transmission Control circuit. Is the resistance below 5.0 ohms? Yes Repair the (T15) Transmission Control circuit for a short to ground. Perform 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) No Go to step 4
  4. CHECK THE (T15) TRANSMISSION CONTROL CIRCUIT FOR AN OPEN Measure the resistance of the (T15) Transmission Control circuit between the PCM C2 harness connector and the TIPM C2 harness connector. Is the resistance above 5.0 ohms? Yes Repair the (T15) Transmission Control circuit for an open. Perform 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) No Using the schematics as a guide, check the Powertrain Control Module (PCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. If no problems are found, replace and program the PCM per the Service Information. With the scan tool, perform QUICK LEARN. Perform 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000)
  5. CHECK THE WIRING AND CONNECTORS The conditions necessary to set this DTC are not present at this time. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit. Wiggle the wires while checking for shorted and open circuits. With the scan tool, check the DTC EVENT DATA to help identify the conditions in which the DTC was set. Where there any problems found? Yes Repair as necessary. Perform 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) No Test Complete.
  1. When Monitored: When the ignition is turned from "OFF" position to "RUN" position and/or the ignition is turned from "START" position to "RUN" position.
  1. Set Condition: This DTC is set if the Powertrain Control Module senses greater than 3.0 volts on the Transmission Control Relay Output circuits prior to a request from the PCM to TIPM to energize the Transmission Output circuits.
Possible Causes
TIPM DTCS PRESENT
(T15) TRANSMISSION CONTROL CIRCUIT SHORT TO VOLTAGE
(T16) TRANSMISSION CONTROL OUTPUT CIRCUIT SHORT VOLTAGE
TRANSMISSION SOLENOID/PRESSURE SWITCH ASSEMBLY
TRANSMISSION RANGE SENSOR
LINE PRESSURE SENSOR/VARIABLE FORCE SOLENOID ASSEMBLY
POWERTRAIN CONTROL MODULE

Always perform the 40/41TE Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure

Scheme 63

Scheme 63: Diagnostic Test

Scheme 64

Scheme 64
  1. CHECK FOR TCM TIPM DTCS With the scan tool check for TIPM DTCs. Are there any TCM Power Control Circuit DTCS present under TIPM? Yes Refer to the appropriate Transmission Information article and perform the appropriate diagnostic procedure(s). No Go to step 2
  2. CHECK TO SEE IF DTC P0883 IS CURRENT With the scan tool, check the STARTS SINCE SET counter. NOTE: This counter only applies to the last DTC set. Is the STARTS SINCE SET counter set to 0? Yes Go to step 3 No Go to step 8
  3. (T16) TRANSMISSION OUTPUT CIRCUIT SHORT TO VOLTAGE Turn the ignition off to the lock position. Disconnect the PCM C1 harness connector. Disconnect the TIPM C2 harness connector. Disconnect the TIPM C10 harness connector. Ignition on, engine not running. Measure the voltage of the (T16) Transmission Control Output circuit(s). Is the voltage above 0.5 volts? Yes Go to step 4 No Go to step 7
  4. CHECK THE TRANSMISSION SOLENOID/PRESSURE SWITCH ASSEMBLY Turn the ignition off to the lock position. Disconnect the Transmission Solenoid/Pressure Switch Assembly harness connector. Ignition on, engine not running. Measure the voltage of the (T16) Transmission Control Output circuit(s). Is the voltage above 0.5 volts? Yes Go to step 5 No Replace the Transmission Solenoid/Pressure Switch Assembly per the Service Information. Perform 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000)
  5. CHECK THE TRANSMISSION RANGE SENSOR Turn the ignition off to the lock position. Disconnect the Transmission Range Sensor (TRS) harness connector. Ignition on, engine not running. Measure the voltage of the (T16) Transmission Control Output circuit(s). Is the voltage above 0.5 volts? Yes Go to step 6 No Replace the TRS per the Service Information. Perform 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000)
  6. CHECK THE LINE PRESSURE SENSOR/VARIABLE FORCE SOLENOID ASSEMBLY Turn the ignition off to the lock position. Disconnect the Line Pressure/Variable Force Solenoid Assembly harness connector. Ignition on, engine not running. Measure the voltage of the (T16) Transmission Control Output circuit(s). Is the voltage above 0.5 volts? Yes Repair the (T16) Transmission Control Output circuit for a short to voltage. Perform 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) No Replace the Line Pressure/Variable Force Solenoid Assembly per the Service Information. Perform 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000)
  7. CHECK THE (T15) TRANSMISSION CONTROL CIRCUIT FOR A SHORT TO VOLTAGE Measure the voltage of the (T15) Transmission Control circuit. Is the voltage above 0.5 volts? Yes Repair the (T15) Transmission Control circuit for a short to voltage. Perform 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) No Using the schematics as a guide, check the Powertrain Control Module (PCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. If no problems are found, replace the PCM per the Service Information. With the scan tool, perform QUICK LEARN. Perform 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000)
  8. CHECK WIRING AND CONNECTORS The conditions necessary to set this DTC are not present at this time. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit. Wiggle the wires while checking for shorted and open circuits. With the scan tool, check the DTC EVENT DATA to help identify the conditions in which the DTC was set. Where there any problems found? Yes Repair as necessary. Perform 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) No Test Complete.
  1. When Monitored: One time after each controller reset.
  1. Set Condition: This DTC will set if the PCM powers up and senses the vehicle in a valid forward gear (no PRNDL DTCs) with an output speed above 800 RPM, approximately 32Km/h (20mph).
Possible Causes
INTERMITTENT POWER AND GROUND CIRCUITS

Always perform the 40/41TE Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure

  1. When Monitored: One time after a reset (ignition turned to the RUN position or after cranking engine).
  1. Set Condition: A fault is set if the sensed voltage on any of the pressure switch circuits is greater than 4.5 volts for the period of 7 msec before a request by the Transmission Control System requests the Transmission Control Output circuit to be energized. The transmission is placed in Limp-In and the MIL is illuminated after 10 seconds of vehicle operation.
Possible Causes
(T47) 2/4 PRESSURE SIGNAL CIRCUIT SHORT TO VOLTAGE
(T50) L/R PRESSURE SIGNAL CIRCUIT SHORT TO VOLTAGE
(T9) OD PRESSURE SIGNAL CIRCUIT SHORT TO VOLTAGE
POWERTRAIN CONTROL MODULE

Always perform the 40/41TE Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure

  1. When Monitored: Each transition from full EMCC to partial EMCC for A/C bump prevention.
  1. Set Condition: DTC set if 20 occurrences of a turbine acceleration sum. Fault Set Time: 20 transitions from full EMCC to partial EMCC. Transmission will not use partial EMCC. Established for A/C bump prevention.
Possible Causes
WORN OUT/ BURNT TRANSAXLE FLUID

Always perform the 40/41TE Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure

  1. When Monitored: Continuously with the ignition on, engine running, with the transmission in gear.
  1. Set Condition: The PCM continuously monitors Actual Line Pressure and compares it to Desired Line Pressure. If the Actual Line Pressure reading is more than 172.4 kPa (25 psi) higher than the Desired Line Pressure, but is less than the highest Line Pressure ever used in the current gear, the DTC sets.
Possible Causes
RELATED DTCS PRESENT
LINE PRESSURE CONNECTOR AND WIRING
LINE PRESSURE SENSOR
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .

  1. When Monitored: Continuously with the ignition on and engine running.
  1. Set Condition: This DTC will set when the monitored Line Pressure Sensor voltage is less than or equal to 0.35 of a volt for 0.18 of a second.
Possible Causes
(T854) 5-VOLT SUPPLY CIRCUIT OPEN
(T854) 5-VOLT SUPPLY CIRCUIT SHORTED TO GROUND
(T38) LP VFS SIGNAL CIRCUIT SHORTED TO GROUND
LINE PRESSURE SENSOR
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .

Scheme 65

Scheme 65: Diagnostic Test
  1. CHECK IF DTC IS CURRENT With the scan tool, check the Starts Since Set counter for P0934. NOTE: This counter only applies to the last DTC set. Is the Starts Since Set counter 2 or less? Yes Go to step 2 No Go to step 6
  2. CHECK THE PCM AND WIRING Turn the ignition off to the lock position. Remove the Ignition Switch Feed fuse from the TIPM. CAUTION: Removal of the Ignition Switch Feed fuse from the TIPM will prevent the vehicle from being started in gear. WARNING: The Ignition Switch Feed fuse must be removed from the TIPM. Failure to do so can result in possible serious or fatal injury. Install the Transmission Simulator 8333A and the Electronic Transmission Adapter kit. Ignition on, engine not running. With the scan tool, under Transmission Sensors, monitor the Line Pressure. Using the Transmission Simulator, set the rotary switch to each of the 3 line pressure positions. NOTE: All three scan tool Line Pressure readings should be steady and ± 14 kPa or 2.0 psi (0.2 of a volt) of the reading specified on the Transmission Simulator. Did the Line Pressure read within ± 14 kPa or 2.0 psi (0.2 of a volt) in all three positions? Yes Replace the Line Pressure Sensor in accordance with the Service Information. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) . No Go to step 3
  3. CHECK THE (T38) LP VFS SIGNAL CIRCUIT FOR A SHORT TO GROUND Turn the ignition off to the lock position. Disconnect the Transmission Simulator 8333A and the Electronic Transmission Adapter kit. Disconnect the PCM C2 harness connector. Measure the resistance between ground and the (T38) LP VFS Signal circuit. Is the resistance below 5.0 Ohms? Yes Repair the (T38) LP VFS Signal circuit for a short to ground. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) . No Go to step 4
  4. CHECK THE (T854) 5-VOLT SUPPLY CIRCUIT FOR AN OPEN Measure the resistance of the (T854) 5-volt Supply circuit between the PCM C2 harness connector and the Line Pressure Sensor/Variable Force Solenoid Assembly harness connector. Is the resistance below 5.0 Ohms? Yes Go to step 5 No Repair the (T854) 5-volt Supply circuit for an open. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) .
  5. CHECK THE (T854) 5-VOLT SUPPLY CIRCUIT FOR A SHORT TO GROUND Measure the resistance between ground and the (T854) 5-volt Supply circuit. Is the resistance below 5.0 Ohms? Yes Repair the (T854) 5-volt Supply circuit for a short to ground. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) . No Using the schematics as a guide, check the Powertrain Control Module (PCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for any Service Bulletins that may apply. If no problems are found, replace and program the PCM in accordance with the Service Information. With the scan tool perform the Quick Learn procedure. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) .
  6. CHECK THE WIRING AND CONNECTORS The conditions necessary to set this DTC are not present at this time. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit. Wiggle the wires while checking for shorted and open circuits. With the scan tool, check the Event Data to help identify the conditions in which the DTC was set. Perform any service bulletins that may apply. Where there any problems found? Yes Repair as necessary. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) . No Test Complete.
  1. When Monitored: Continuously with ignition on and engine running.
  1. Set Condition: This DTC will set if the monitored Line Pressure Sensor voltage is greater than or equal to 4.75 volts for the period of 0.18 of a second.
Possible Causes
(T38) LP VFS SIGNAL CIRCUIT OPEN
(T38) LP VFS SIGNAL CIRCUIT SHORTED TO VOLTAGE
(T853) SENSOR GROUND CIRCUIT OPEN
LINE PRESSURE SENSOR
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .

Scheme 66

Scheme 66: Diagnostic Test

Scheme 67

Scheme 67

Scheme 68

Scheme 68
  1. CHECK TO SEE IF DTC IS CURRENT With the scan tool, Check the Starts Since Set counter for P0935. NOTE: This counter only applies to the last DTC set. Is the Starts Since Set counter 2 or less? Yes Go to step 2 No Go to step 6
  2. CHECK THE PCM AND WIRING Turn the ignition off to the lock position. Remove the Ignition Switch Feed fuse from the TIPM. CAUTION: Removal of the Ignition Switch Feed fuse from the TIPM will prevent the vehicle from being started in gear. WARNING: The Ignition Switch Feed fuse must be removed from the TIPM. Failure to do so can result in possible serious or fatal injury. Install the Transmission Simulator 8333A and the Electronic Transmission Adapter kit. Ignition on, engine not running. With the scan tool, monitor the Line Pressure. Using the Transmission Simulator, set the rotary switch to each of the three line pressure positions. NOTE: All three scan tool Line Pressure readings should be steady and ± 14 kPa or 2.0 psi (0.2 of a volt) of the reading specified on the Transmission Simulator. Did the Line Pressure read within ± 14 kPa or 2.0 psi (0.2 of a volt) in all three positions? Yes Replace the Line Pressure Sensor in accordance with the Service Information. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) . No Go to step 3
  3. CHECK THE (T853) SENSOR GROUND CIRCUIT FOR AN OPEN Turn the ignition off to the lock position. Disconnect the Transmission Simulator 8333A and the Electronic Transmission Adapter kit. Disconnect the PCM C2 harness connector. Measure the resistance of the (T853) Sensor Ground circuit between the PCM C2 harness connector and the Line Pressure Sensor/Variable Force Solenoid Assembly harness connector. Is the resistance above 5.0 Ohms? Yes Repair the (T853) Sensor Ground circuit for an open. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) . No Go to step 4
  4. CHECK THE (T38) LP VFS SIGNAL CIRCUIT FOR AN OPEN Measure the resistance of the (T38) LP VFS Signal circuit from the Line Pressure Sensor/Variable Force Solenoid Assembly harness connector to the appropriate terminal of the PCM Pinout Box 8815. Is the resistance above 5.0 Ohms? Yes Repair the (T38) LP VFS Signal circuit for an open. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) . No Go to step 5
  5. CHECK THE (T38) LP VFS SIGNAL CIRCUIT FOR A SHORT TO VOLTAGE Ignition on, engine not running. With the scan tool under TIPM, actuate the transmission Measure the voltage of the (T38) LP VFS Signal circuit. Is the voltage above 5.5 volts? Yes Repair the (T38) LP VFS Signal circuit for a short to voltage. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) . No Using the schematics as a guide, check the Powertrain Control Module (PCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for any Service Bulletins that may apply. If no problems are found, replace and program the PCM in accordance with the Service Information. With the scan tool perform the Quick Learn procedure. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) .
  6. CHECK WIRING AND CONNECTORS The conditions necessary to set this DTC are not present at this time. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit. Wiggle the wires while checking for shorted and open circuits. With the scan tool, check the Event Data to help identify the conditions in which the DTC was set. Check for any Service Bulletins that may apply. Where there any problems found? Yes Repair as necessary. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) . No Test Complete.
  1. When Monitored: Every 350 msec
  1. Set Condition: If the transmission begins to slip in any forward gear, and the pressure switch or switches that should be closed for a given gear are open, a loss of prime test begins. All available elements (in 1st gear LR, 2/4 and OD, in 2nd, 3rd, and 4th gear 2/4 and OD) are turned on by the Powertrain Control Module (PCM) to see if pump prime exists. The code is set if none of the pressure switches respond. The PCM will continue to run the loss of prime test until pump pressure returns. The vehicle will not move or the transmission will slip. Normal operation will continue if pump prime returns.
Possible Causes
LOW TRANSMISSION FLUID LEVEL
SHIFT LEVER POSITION
CRACKED, BROKEN, OR PLUGGED TRANSMISSION FILTER
STUCK REGULATOR VALVE
TRANSMISSION OIL PUMP

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .

  1. When Monitored: Whenever the engine is running.
  1. Set Condition: The transmission is not in the AutoStick® position and the upshift or downshift is reporting closed - below 0.3 volts or if both switches are reported closed at the same time.
Possible Causes
AUTOSTICK® SWITCH
(T44) AUTOSTICK® DOWNSHIFT SWITCH SIGNAL CIRCUIT SHORT TO GROUND
(T5) AUTOSTICK® UPSHIFT SWITCH SIGNAL CIRCUIT SHORT TO GROUND
POWERTRAIN CONTROL MODULE

Always perform the 40/41TE Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure

Scheme 69

Scheme 69: Diagnostic Test

Scheme 70

Scheme 70
  1. CHECK IF THE DTC IS CURRENT With the scan tool, check the STARTS SINCE SET counter for P0952. NOTE: This counter only applies to the last DTC set. Is the Starts Since Set counter set at 0? Yes Go To step 2 No Go To step 5
  2. CHECK THE (T44) AUTOSTICK® DOWNSHIFT SWITCH SIGNAL CIRCUIT FOR A SHORT TO GROUND Turn the ignition off to the lock position. Disconnect the AutoStick® Switch harness connector. Ignition on, engine not running. Measure the voltage of both the AutoStick® Upshift and Downshift Switch Signal circuits. Is the voltage above 5.0 volts on both circuits? Yes Replace the AutoStick® Switch per the Service Information. Perform 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) No Go To step 3
  3. CHECK THE (T44) AUTOSTICK® DOWNSHIFT SWITCH SIGNAL CIRCUIT FOR A SHORT TO GROUND Turn the ignition off to the lock position. Disconnect the PCM harness connector. CAUTION: Do not probe the PCM harness connectors. Probing the PCM harness connectors will damage the PCM terminals resulting in poor terminal to pin connection. Install PCM Pinout Box 8815 to perform diagnosis. Measure the resistance between ground and the (T44) AutoStick® Downshift Switch Signal circuit. Is the resistance below 5.0 ohms? Yes Repair the (T44) AutoStick® Downshift Switch Signal circuit for a short to ground. Perform 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) No Go To step 4
  4. CHECK THE (T5) AUTOSTICK® UPSHIFT SWITCH SIGNAL CIRCUIT FOR A SHORT GROUND Measure the resistance between ground and the (T5) AutoStick® Upshift Switch Signal circuit. Is the resistance below 5.0 ohms? Yes Repair the (T5) AutoStick® Upshift Switch Signal circuit for a short to ground. Perform 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) No Using the schematics as a guide, check the Powertrain Control Module (PCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for Service Information Tune-ups or Service Bulletins for any possible causes that may apply. If no problems are found, replace the PCM per the Service Information. With the scan tool, perform QUICK LEARN. Perform 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000)
  5. INTERMITTENT WIRING AND CONNECTORS The conditions necessary to set this DTC are not present at this time. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit. Wiggle the wires while checking for shorts and open circuits. With the scan tool, check the EVENT DATA to help identify the conditions in which the DTC was set. Were there any problems found? Yes Repair as necessary. Perform 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) No Test Complete.
  1. When Monitored: Whenever the engine is running.
  1. Set Condition: The transmission is not in the AutoStick® position and the upshift or downshift is reporting closed - below 0.71 of a volt or if both switches are reported closed at the same time.
Possible Causes
AUTOSTICK® SWITCH
(T44) AUTOSTICK® DOWNSHIFT SWITCH SIGNAL CIRCUIT SHORTED TO GROUND
(T5) AUTOSTICK® UPSHIFT SWITCH SIGNAL CIRCUIT SHORTED TO GROUND
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .

  1. When Monitored: In any forward gear with engine speed above 1000 RPM, shortly after a shift and every minute thereafter.
  1. Set Condition: After a shift into a forward gear, with engine speed greater than 1000 RPM, the Powertrain Control Module (PCM) momentarily turns on element pressure to the clutch circuits that do not have pressure to identify that the correct pressure switch closes. If the pressure switch does not close two times the DTC sets.
Possible Causes
CONDITION P0992 PRESENT

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .

  1. When Monitored: After a reset (ignition turned to the RUN position).
  1. Set Condition: The checksum of the battery backed RAM does not match the stored checksum. Set Time: Less than 7 msec.
Possible Causes
BATTERY WAS DISCONNECTED
PCM WAS REPLACED OR DISCONNECTED
QUICK LEARN WAS PERFORMED
(A931) FUSED B(+) CIRCUITS TO PCM OPEN
Z902 GROUND CIRCUITS OPEN

Always perform the 40/41TE Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure

Scheme 71

Scheme 71: Diagnostic Test

Scheme 72

Scheme 72
  1. BATTERY WAS DISCONNECTED Has the battery been disconnected, lost it's charge, or been replaced recently? Yes Disconnecting or replacing the battery will set this DTC. Erase the DTC. Perform 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) No Go to step 2
  2. WAS QUICK LEARN PERFORMED Has a Quick Learn procedure been performed? Yes Performing a Quick Learn procedure will set this DTC. Erase the DTC. Perform 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) No Go to step 3
  3. PCM REPLACED OR DISCONNECTED Has the PCM been replaced or disconnected? Yes Replacing or disconnecting the PCM will set this DTC. Erase the DTC. Perform 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) No Go to step 4
  4. CHECK THE (A931) FUSED B(+) CIRCUIT FOR AN OPEN Turn the ignition off to the lock position. Disconnect the PCM C1 harness connector. NOTE: Check connectors - Clean/repair as necessary. Using a 12-volt test light connected to ground, check the (A931) Fused B(+) circuit in the PCM C1 harness connector. NOTE: The test light must illuminate brightly. Compare the brightness to that of a direct connection to the battery. Does the test light illuminate brightly? Yes Go to step 5 No Repair the (A931) Fused B(+) circuit for an open. If the fuse is open make sure to check for a short to ground. Perform 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000)
  5. CHECK THE (Z902) GROUND CIRCUITS FOR AN OPEN Turn the ignition off to the lock position. Disconnect the PCM C2 harness connector. Using a 12-volt test light connected to 12-volts, check both (Z902) Ground circuits in PCM C1 harness connector NOTE: The test light must illuminate brightly. Compare the brightness to that of a direct connection to the battery. Does the test light illuminate brightly for both ground circuits? Yes Go to step 6 No Repair the (Z902) Ground circuit(s) for an open. Perform 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000)
  6. INTERMITTENT WIRING AND CONNECTORS The conditions necessary to set the DTC are not present at this time. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit. Wiggle the wires while checking for shorted and open circuits. With the scan tool, check the DTC EVENT DATA to help identify the conditions in which the DTC was set. Were there any problems found? Yes Repair as necessary. Perform 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) No Test Complete.
  1. When Monitored: Ignition on, engine running with the gear shift selector in a valid forward gear.
  1. Set Condition: This DTC sets whenever Transmission control system detects the manual valve is in the T2 range when it should be in OD. This is mainly an informational DTC.
Possible Causes
RELATED TRANSMISSION DTCS PRESENT
CUSTOMER DRIVING HABITS
MIS-ADJUSTED SHIFTER CABLE

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .

  1. When Monitored: Continuously with ignition on.
  1. Set Condition: If the transmission has been operating in an open-loop line pressure control for 3220 kilometers (2000 miles) or 1000 2-3 upshifts.
Possible Causes
LINE PRESSURE DTCS PRESENT

Always perform the 42RLE Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure

  1. When Monitored: Prior to a shift into 1st gear.
  1. Set Condition: Transmission temperature must be hot. DTC is set after six unsuccessful attempts to shift into 1st gear.
Possible Causes
RELATED DTC P0841 PRESENT
(T16) TRANSMISSION CONTROL OUTPUT CIRCUIT OPEN
(T50) L/R PRESSURE SIGNAL CIRCUIT OPEN
(T50) L/R PRESSURE SIGNAL CIRCUIT SHORTED TO GROUND
(T50) L/R PRESSURE SIGNAL CIRCUIT SHORTED TO VOLTAGE
STUCK SOLENOID SWITCH VALVE OR PLUGS
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .

Scheme 73

Scheme 73: Diagnostic Test
  1. DETERMINING IF RELATED DTCS ARE PRESENT With the scan tool, read transmission DTCs. Is the DTC P0841 present also? Yes See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Diagnosis and Testing»(ref-353603-S18034344452010011200000) and perform the appropriate diagnostic procedure(s). No Go to step 2
  2. CHECK TO SEE IF DTC P1775 IS CURRENT With the scan tool, read transmission DTCs. Is the status Active or is the Starts Since Set counter 2 or less for this DTC? Yes Go to step 3 No Go to step 8
  3. PCM AND WIRING Turn the ignition off to the lock position. Remove the Ignition Switch Feed fuse from the TIPM. CAUTION: Removal of the Ignition Switch Feed fuse from the TIPM will prevent the vehicle from being started in gear. WARNING: The Ignition Switch Feed fuse must be removed from the TIPM. Failure to do so can result in possible serious or fatal injury. Install the Transmission Simulator 8333A and the Electronic Transmission Adapter kit. Ignition on, engine not running. With the Transmission Simulator, turn the Pressure Switch selector switch to L/R. With the scan tool, monitor the L/R Pressure Switch State while pressing the Pressure Switch Test button. Did the Pressure Switch state change from open to closed when the test button was pressed? Yes Remove the valve body in accordance with the Service Information. Inspect the Solenoid Switch Valve in accordance with the Service Information and repair or replace as necessary. If no problems are found, replace the Transmission Solenoid/Pressure Switch Assembly. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) . No Go to step 4
  4. CHECK THE (T16) TRANSMISSION CONTROL OUTPUT CIRCUIT FOR AN OPEN Turn the ignition off to the lock position. Disconnect the Transmission Simulator 8333A and the Electronic Transmission Adapter kit. Disconnect the PCM C1 harness connector. Ignition on, engine not running. With the scan tool under TIPM, actuate the Transmission. Using a 12-volt test light connected to ground, check all (T16) Transmission Control Output circuits in the PCM C1 harness connector. NOTE: The test light must illuminate brightly. Compare the brightness to that of a direct connection to the battery. Does the test light illuminate brightly on all Transmission Control Relay Output circuits? Yes Repair the (T16) Transmission Control Output circuit(s) for an open. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) . No Go to step 5
  5. CHECK THE (T50) L/R PRESSURE SIGNAL CIRCUIT FOR A SHORT TO VOLTAGE Ignition on, engine not running. While still actuating the TCM output in the TIPM with the scan tool, measure the voltage of the (T50) L/R Pressure Signal circuit. Is the voltage above 0.5 of a volt? Yes Repair the (T50) L/R Pressure Signal circuit for a short to voltage. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) . No Go to step 6
  6. CHECK THE (T50) L/R PRESSURE SIGNAL CIRCUIT FOR AN OPEN Turn the ignition off to the lock position. Disconnect the PCM C2 harness connector. Measure the resistance of the (T50) L/R Pressure Signal circuit between the PCM C2 harness connector and the Transmission Solenoid/Pressure Switch Assembly harness connector. Is the resistance above 5.0 Ohms? Yes Repair the (T50) L/R Pressure Signal circuit for an open. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) . No Go to step 7
  7. CHECK THE (T50) L/R PRESSURE SIGNAL CIRCUIT FOR A SHORT TO GROUND Measure the resistance between ground and the (T50) L/R Pressure Signal circuit. Is the resistance below 5.0 Ohms? Yes Repair the (T50) L/R Pressure Signal circuit for a short to ground. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) . No Using the schematics as a guide, check the Powertrain Control Module (PCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for Service Information Tune-ups or Service Bulletins for any possible causes that may apply. If no problems are found, replace and program the PCM in accordance with the Service Information. With the scan tool, perform Quick Learn. Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) .
  8. CHECK WIRING AND CONNECTORS The conditions necessary to set this DTC are not present at this time. Test drive and verify if the transmission is launching in 2nd gear and/or no TCC engagement. With the scan tool, check the Event Data to help identify the conditions in which the DTC was set. Are there 2nd gear launches and/or no TCC engagement? Yes Disassemble and inspect the Valve Body in accordance with the Service Information and repair or replace as necessary. If no problems are found in «BODY»(ref-352850) . Perform the 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) . No Test Complete.
  1. When Monitored: Every 7 msec when operating in PEMCC or FEMCC.
  1. Set Condition: Must be in partial or full EMCC. The DTC is set if L/R pressure is detected high for the fourth time.
Possible Causes
RELATED DTCS PRESENT
EVENT DATA SHOWS TRS CODE TR2 - SHIFT LEVER OR MANUAL CONTROL VALVE IN T2 TRANSITION ZONE
SHIFTER CABLE OUT OF ADJUSTMENT
SOLENOID SWITCH VALVE STICKING IN ITS BORE
(T16) TRANSMISSION CONTROL OUTPUT CIRCUIT OPEN
(T50) L/R PRESSURE SIGNAL CIRCUIT OPEN
(T50) L/R PRESSURE SIGNAL CIRCUIT SHORTED TO GROUND
(T50) L/R PRESSURE SIGNAL CIRCUIT SHORTED TO VOLTAGE
VALVE BODY
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .

  1. When Monitored: After a Gear Ratio Error code is stored.
  1. Set Condition: After a Gear Ratio Error DTC has already been set. The DTC is set if the fault happened within 1.3 seconds of a shift. The DTC set time will vary from 1.214 seconds to 15 seconds.
Possible Causes
FAULT AFTER SHIFT

Always perform the 40/41TE Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure

  1. When Monitored: Every 7 msec after a controller reset with transmission in neutral.
  1. Set Condition: After a PCM reset in neutral and Input and Output sensor ratio equals 2.50 to 1.0 (± 50.0 RPM).
Possible Causes
SPEED SENSOR GROUND CIRCUIT OPEN
POWERTRAIN CONTROL MODULE

Always perform the 40/41TE Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure

Scheme 74

Scheme 74: Diagnostic Test
  1. PCM AND WIRING Turn the ignition off to the lock position. Remove the Ignition Switch Feed fuse from the TIPM. CAUTION: Removal of the Ignition Switch Feed fuse from the TIPM will prevent the vehicle from being started in gear. WARNING: The Ignition Switch Feed fuse must be removed from the TIPM. Failure to do so can result in possible serious or fatal injury. Install the Transmission Simulator, Miller tool #8333A and the Electronic Transmission Adapter kit. NOTE: Check connectors - Clean/repair as necessary. Ignition on, engine not running. With the Transmission Simulator, set the "Input/Output Speed" switch to "ON" and the rotary switch to the "3000/1250" position. With the scan tool, monitor the Input and Output Speed Sensor readings. Does the Input Speed read 3000 RPM and the Output Speed read 1250 RPM (± 50 RPM)? Yes Go to step 2 No Go to step 3
  2. (T13) SPEED SENSOR GROUND CIRCUIT OPEN Turn the ignition off to the lock position. Disconnect the Transmission Simulator, Miller tool #8333A and the Electronic Transmission Adapter kit. Disconnect the PCM C2 harness connector. Measure the resistance of the (T13) Speed Sensor Ground circuits between the PCM C2 harness connector and the Input and Output Speed Sensor harness connectors and the TRS harness connector. Is the resistance above 5.0 ohms on any circuit(s)? Yes Repair the (T13) Speed Sensor Ground circuit(s) for an open. Perform 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) No Using the schematics as a guide, check the Powertrain Control Module (PCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for Service Information Tune-ups or Service Bulletins for any possible causes that may apply. If no problems are found, replace and program the PCM per the Service Information. With the scan tool, perform QUICK LEARN. Perform 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000)
  3. INTERMITTENT WIRING AND CONNECTORS The conditions necessary to set the DTC are not present at this time. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit. Wiggle the wires while checking for shorted and open circuits. With the scan tool, check the DTC EVENT DATA to help identify the conditions in which the DTC was set. Were there any problems found? Yes Repair as necessary. Perform 40/41TE VERIFICATION TEST. See «DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure»(ref-353603-S03528494482010011200000) No Test Complete.
  1. When Monitored: Continuously with engine running.
  1. Set Condition: If the Engine Temperature exceeds 123° C (255° F) or the Transmission Temperature exceeds 135° C (275° F) while in AutoStick® mode. Note: Aggressive driving or driving in low for extended periods of time will set this DTC.
Possible Causes
MANUAL SHIFT OVERHEAT

Always perform the 40/41TE Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure

  1. When Monitored: Every 7 msec with: 1) Engine speed greater than 500 RPM. 2) Battery voltage between 10 and 16 volts.
  1. Set Condition: CAN C bus messages are not received for 10 seconds.
  1. When Monitored: Every 7 msec with: 1) Engine speed greater than 500 RPM. 2) Battery voltage between 10 and 16 volts.
  1. Set Condition: CAN C bus messages are not received for 10 seconds.
  1. When Monitored: Every 7 msec with: 1) Engine speed greater than 500 RPM. 2) Battery voltage between 10 and 16 volts.
  1. Set Condition: CAN C bus messages are not received for 10 seconds.
  1. When Monitored: Every 7 msec with: 1) Engine speed greater than 500 RPM. 2) Battery voltage between 10 and 16 volts.
  1. Set Condition: CAN C bus messages are not received for 10 seconds.