B1A08-RKE FOB 1 PERFORMANCE
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
WHEN MONITORED
Continuously.
SET CONDITION
Scrambled messages to the Wireless Ignition Node (WIN) from the FOBIK transmitter.
POSSIBLE CAUSES
Note. The most probable cause that sets this code is the RKE transmitter being pressed over 1023 times when it is out of range of the Wireless Ignition Node and it loses synchronization with the rolling code of the WIN. To correct, insert the FOBIK in the ignition and turn to the on position to synchronize the rolling code.
| Possible Causes |
|---|
| EXCESSIVE PRESSES FROM TRANSMITTER WHEN OUT OF RANGE |
| FOBIK TRANSMITTER |
B1A09-RKE FOB 2 PERFORMANCE
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
Continuously.
Scrambled messages to the Wireless Ignition Node (WIN) from the FOBIK transmitter.
Note. The most probable cause that sets this code is the FOBIK transmitter being pressed over 1024 times when it is out of range of the Wireless Ignition Node and it loses synchronization with the rolling code of the WIN. To correct, insert the FOBIK in the ignition and turn to the on position to synchronize the rolling code.
| Possible Causes |
|---|
| EXCESSIVE PRESSES FROM TRANSMITTER WHEN OUT OF RANGE |
| FOBIK TRANSMITTER |
B1A0A-RKE FOB 3 PERFORMANCE
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
Continuously.
Scrambled messages to the Wireless Ignition Node (WIN) from the FOBIK transmitter.
Note. The most probable cause that sets this code is the FOBIK transmitter being pressed over 1024 times when it is out of range of the Wireless Ignition Node and it loses synchronization with the rolling code of the WIN. To correct, insert the FOBIK in the ignition and turn to the on position to synchronize the rolling code.
| Possible Causes |
|---|
| EXCESSIVE PRESSES FROM TRANSMITTER WHEN OUT OF RANGE |
| FOBIK TRANSMITTER |
B1A0B-RKE FOB 4 PERFORMANCE
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
Continuously.
Scrambled messages to the Wireless Ignition Node (WIN) from the transmitter.
Note. The most probable cause that sets this code is the FOBIK transmitter being pressed over 1024 times when it is out of range of the Wireless Ignition Node and it loses synchronization with the rolling code of the WIN. To correct, insert the FOBIK in the ignition and turn to the on position to synchronize the rolling code.
| Possible Causes |
|---|
| EXCESSIVE PRESSES FROM TRANSMITTER WHEN OUT OF RANGE |
| FOBIK TRANSMITTER |
B1A0C-RKE FOB 5 PERFORMANCE
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
Continuously.
Scrambled messages to the Wireless Ignition Node (WIN) from the transmitter.
Note. The most probable cause that sets this code is the FOBIK transmitter being pressed over 1024 times when it is out of range of the Wireless Ignition Node and it loses synchronization with the rolling code of the WIN. To correct, insert the FOBIK in the ignition and turn to the on position to synchronize the rolling code.
| Possible Causes |
|---|
| EXCESSIVE PRESSES FROM TRANSMITTER WHEN OUT OF RANGE |
| FOBIK TRANSMITTER |
B1A0D-RKE FOB 6 PERFORMANCE
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
Continuously.
Scrambled messages to the Wireless Ignition Node (WIN) from the transmitter.
Note. The most probable cause that sets this code is the FOBIK transmitter being pressed over 1024 times when it is out of range of the Wireless Ignition Node and it loses synchronization with the rolling code of the WIN. To correct, insert the FOBIK in the ignition and turn to the on position to synchronize the rolling code.
| Possible Causes |
|---|
| EXCESSIVE PRESSES FROM TRANSMITTER WHEN OUT OF RANGE |
| FOBIK TRANSMITTER |
B1A0E-RKE FOB 7 PERFORMANCE
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
Continuously.
Scrambled messages to the Wireless Ignition Node (WIN) from the transmitter.
Note. The most probable cause that sets this code is the FOBIK transmitter being pressed over 1024 times when it is out of range of the Wireless Ignition Node and it loses synchronization with the rolling code of the WIN. To correct, insert the FOBIK in the ignition and turn to the on position to synchronize the rolling code.
| Possible Causes |
|---|
| EXCESSIVE PRESSES FROM TRANSMITTER WHEN OUT OF RANGE |
| FOBIK TRANSMITTER |
B1A0F-RKE FOB 8 PERFORMANCE
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
Continuously.
Scrambled messages to the Wireless Ignition Node (WIN) from the transmitter.
Note. The most probable cause that sets this code is the FOBIK transmitter being pressed over 1024 times when it is out of range of the Wireless Ignition Node and it loses synchronization with the rolling code of the WIN. To correct, insert the FOBIK in the ignition and turn to the on position to synchronize the rolling code.
| Possible Causes |
|---|
| EXCESSIVE PRESSES FROM TRANSMITTER WHEN OUT OF RANGE |
| FOBIK TRANSMITTER |
B1A10-RKE FOB 1 BATTERY LOW
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
During key interrogation and when a valid RKE transmission is read.
If the battery in the Fob-Integrated-Key (FOBIK) is low during key interrogation, with a valid key, this code will set. It may also set during a valid RKE button press.
| Possible Causes |
|---|
| LOW BATTERY |
| FOBIK TRANSMITTER |
B1A11-RKE FOB 2 BATTERY LOW
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
During key interrogation and when a valid RKE transmission is read.
If the battery in the Fob-Integrated-Key (FOBIK) is low during key interrogation, with a valid key, this code will set. It may also set during a valid RKE button press.
| Possible Causes |
|---|
| LOW BATTERY |
| FOBIK TRANSMITTER |
B1A12-RKE FOB 3 BATTERY LOW
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
During key interrogation and when a valid RKE transmission is read.
If the battery in the Fob-Integrated-Key (FOBIK) is low during key interrogation, with a valid key, this code will set. It may also set during a valid RKE button press.
| Possible Causes |
|---|
| LOW BATTERY |
| FOBIK TRANSMITTER |
B1A13-RKE FOB 4 BATTERY LOW
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
During key interrogation and when a valid RKE transmission is read.
If the battery in the Fob-Integrated-Key (FOBIK) is low during key interrogation, with a valid key, this code will set. It may also set during a valid RKE button press.
| Possible Causes |
|---|
| LOW BATTERY |
| FOBIK TRANSMITTER |
B1A14-RKE FOB 5 BATTERY LOW
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
During key interrogation and when a valid RKE transmission is read.
If the battery in the Fob-Integrated-Key (FOBIK) is low during key interrogation, with a valid key, this code will set. It may also set during a valid RKE button press.
| Possible Causes |
|---|
| LOW BATTERY |
| FOBIK TRANSMITTER |
B1A15-RKE FOB 6 BATTERY LOW
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
During key interrogation and when a valid RKE transmission is read.
If the battery in the Fob-Integrated-Key (FOBIK) is low during key interrogation, with a valid key, this code will set. It may also set during a valid RKE button press.
| Possible Causes |
|---|
| LOW BATTERY |
| FOBIK TRANSMITTER |
B1A16-RKE FOB 7 BATTERY LOW
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
During key interrogation and when a valid RKE transmission is read.
If the battery in the Fob-Integrated-Key (FOBIK) is low during key interrogation, with a valid key, this code will set. It may also set during a valid RKE button press.
| Possible Causes |
|---|
| LOW BATTERY |
| FOBIK TRANSMITTER |
B1A17-RKE FOB 8 BATTERY LOW
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
During key interrogation and when a valid RKE transmission is read.
If the battery in the Fob-Integrated-Key (FOBIK) is low during key interrogation, with a valid key, this code will set. It may also set during a valid RKE button press.
| Possible Causes |
|---|
| LOW BATTERY |
| FOBIK TRANSMITTER |
B1A24-KEY NOT PROGRAMMED
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
During interrogation, the FOBIK sends a low frequency (LF) signal to the WIN that includes the FOBIK identification information.
This DTC sets if the WIN receives the default, secret key status from a FOBIK. Once set, this DTC will remain active until a valid, programmed FOBIK is inserted in the basestation and rotated through the ON position.
| Possible Causes |
|---|
| FOBIK |
| WIRELESS IGNITION NODE (WIN) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to WIN PRE-DIAGNOSTIC PROCEDURE .
B1A25-INVALID KEY
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
During interrogation, the FOBIK sends a low frequency (LF) signal to the WIN that includes the inserted FOBIK ID.
This DTC sets if the WIN receives an ID from the FOBIK that does not match any of the eight possible FOBIK IDs currently programmed in the WIN. This DTC will remain active until a valid, programmed FOBIK is inserted in the basestation and rotated through the ON position.
| Possible Causes |
|---|
| FOBIK |
| WIRELESS IGNITION NODE (WIN) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to WIN PRE-DIAGNOSTIC PROCEDURE .
B1A26-MAXIMUM NUMBER OF KEYS PROGRAMMED
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
When the WIN is placed into FOBIK programming mode, the module references the number of unique FOBIK identifications stored in its memory.
In the event the WIN detects the user is attempting to program a 9th FOBIK, this DTC will be set as active.
| Possible Causes |
|---|
| MAXIMUM NUMBER OF FOBIKS (8) HAVE BEEN PROGRAMMED |
| WIRELESS IGNITION NODE |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to WIN PRE-DIAGNOSTIC PROCEDURE .
B1A27-SKREEM PROGRAMMING PERFORMANCE
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
During FOBIK programming mode when the FOBIK and the WIN module are communicating over LF (low frequency) communication.
The WIN will set this DTC if one or more of the three FOBIK transmissions, during FOBIK programming, failed to be properly received by the WIN. The FOBIK may still get programmed because the transmission was successful on one of the other attempts.
| Possible Causes |
|---|
| FOBIK |
| WIRELESS IGNITION NODE (WIN) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to WIN PRE-DIAGNOSTIC PROCEDURE .
Note. All FOBIKs programmed to this vehicle should be present before continuing.
B1A28-ECM MISMATCH WITH SKIM
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
Whenever a valid FOBIK is inserted in the basestation and turned to the ON position, the WIN/PCM handshake takes place. The WIN validates that the message is sent to and received by the PCM.
When a valid FOBIK is used and the WIN receives a mismatching cryptology code from the PCM as part of the routine, the WIN will send the command to flash the Security warning lamp and set this DTC as active. The engine will not start and the DTC will remain active until the WIN and PCM complete a successful handshake.
| Possible Causes |
|---|
| WIRELESS IGNITION NODE (WIN) |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to WIN PRE-DIAGNOSTIC PROCEDURE .
B1A29-SKIM BASESTATION MISMATCH
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
Whenever a FOBIK is inserted in the basestation, the WIN determines its validity status. If determined valid, the WIN allows rotation to the ON position and the WIN/PCM handshake takes place.
When an invalid FOBIK is used and the WIN receives a mismatching or no secret key data from the FOBIK, the WIN will send the command to illuminate the Security warning lamp, send an invalid key status in the handshake with the PCM, and set this DTC as active. The "B1A28 ECM/PCM Mismatch with SKIM" DTC will probably be accompanied along with this B1A29.
| Possible Causes |
|---|
| WIRELESS IGNITION NODE (WIN) |
| FOBIK |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to WIN PRE-DIAGNOSTIC PROCEDURE .
Note. When diagnosing any WIN system DTCs, all FOBIK used on the vehicle should be present.
B1A35-UNIDENTIFIED KEY COMMUNICATION ERROR
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
During interrogation, the FOBIK sends an LF (Low frequency) signal to the WIN that includes the programmed FOBIK ID.
This Diagnostic Trouble Code (DTC) sets if a FOBIK is inserted in the WIN basestation but the WIN does not receive or is unable to read an ID from the FOBIK. This DTC will remain active until a valid programmed FOBIK is inserted in the WIN and its ID is received.
| Possible Causes |
|---|
| FOBIK |
| WIRELESS IGNITION NODE (WIN) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to WIN PRE-DIAGNOSTIC PROCEDURE .
B1A6C-SECRET KEY MISMATCH
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
During interrogation, the FOBIK sends a low frequency (LF) signal to the WIN that includes the current secret key.
This Diagnostic Trouble Code (DTC) sets if the WIN receives a secret key ID from the FOBIK that is not the correct secret key value stored in the WIN. This DTC will remain active until a valid, programmed FOBIK, with the correct secret key is inserted in the basestation and rotated through the ON position.
| Possible Causes |
|---|
| FOBIK |
| WIRELESS IGNITION NODE (WIN) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to WIN PRE-DIAGNOSTIC PROCEDURE .
B1A77- REMOTE START ANTENNA CIRCUIT LOW
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
With the ignition on. Remote start present and configured.
Short to ground detected on the Remote Start Antenna.
| Possible Causes |
|---|
| REMOTE START ANTENNA |
| WIRELESS IGNITION NODE (WIN) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to WIN PRE-DIAGNOSTIC PROCEDURE .
B1A79- REMOTE START ANTENNA CIRCUIT OPEN OR NOT CONNECTED
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
With the ignition on. Remote start present and configured.
No Remote Start Antenna detected by the Wireless Ignition Node (WIN).
| Possible Causes |
|---|
| REMOTE START ANTENNA NOT CONNECTED |
| REMOTE START ANTENNA |
| WIRELESS IGNITION NODE (WIN) |
B210A-SYSTEM VOLTAGE LOW
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
At all times.
This is a CAN message that the battery voltage was below 10.0 volts for over 15 seconds.
| POSSIBLE CAUSES |
|---|
| LOW SYSTEM VOLTAGE |
| BATTERY OR CHARGING SYSTEM |
B210B-SYSTEM VOLTAGE HIGH
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
At all times.
This is a CAN message that the system voltage was above 16.0 volts for over 15 seconds.
| POSSIBLE CAUSES |
|---|
| HIGH BATTERY SYSTEM VOLTAGE |
| CHARGING SYSTEM |
B210D-BATTERY VOLTAGE LOW
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
With the ignition switch on.
The Wireless Ignition Node (WIN) has detected the Fused (B+) input voltage was below 10.5 volts for over 15 seconds except during cranking or when the FOBIK removal process is engaged.
| Possible Causes |
|---|
| RESISTANCE IN THE BATTERY POSITIVE CIRCUIT |
| RESISTANCE IN THE GENERATOR CASE GROUND |
| GENERATOR OPERATION |
| (K20) GENERATOR FIELD CONTROL CIRCUIT OPEN |
| (K20) GENERATOR FIELD CONTROL CIRCUIT SHORTED TO GROUND |
| (Z911) GROUND CIRCUIT RESISTED |
| (A106) FUSED (B+) CIRCUIT RESISTED |
| POWERTRAIN CONTROL MODULE (PCM) |
| WIRELESS IGNITION NODE (WIN) |
Scheme 26
- CHECK PCM FOR CHARGING SYSTEM DTCs NOTE: Be sure the battery is fully charged before proceeding. With a scan tool, read the Powertrain Control Module (PCM) DTCs. Are there any Charging or Starting System DTCs set in the PCM? Yes Refer to «3.6L - DIAGNOSTIC CODE INDEX»(ref-489372) or «5.7L & 6.4L - DIAGNOSTIC CODE INDEX»(ref-489379) and perform the appropriate diagnostic procedure . No Go To 2 .
- VERIFY THAT DTC B210D-BATTERY VOLTAGE LOW IS ACTIVE With the scan tool, record and erase the DTCs. Turn the ignition switch to the OFF position then start the engine and let run for one minute. With the scan tool, read the WIN active DTCs. Does the scan tool display: B210D-BATTERY VOLTAGE LOW active? Yes Go To 3 . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals and poor pin fit. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-489354-S40173642412012072600000) .
- (A106) FUSED (B+) CIRCUIT OR (Z911) GROUND CIRCUIT HAS HIGH RESISTANCE NOTE: Check the related fuses to the Fused (B+) circuit. If the fuse is found to be open, repair the circuit for a shorted condition. Turn the ignition off. Disconnect the WIN harness connector. Turn the ignition on. Using a 12-volt test light, connect it between the (A106) Fused (B+) circuit and the (Z911) Ground circuit in the WIN harness connector. The test light must illuminate brightly. Compare the brightness to that of a direct connection to the battery. Is the test light as bright at the module as it is at the battery? Yes Replace and program the Wireless Ignition Node (WIN) in accordance with the Service Information. Refer to «RECEIVER, WIRELESS IGNITION NODE, REMOVAL»(ref-489300-S25111387112012072600000) . Perform the WIN VERIFICATION TEST. Refer to «WIN VERIFICATION TEST»(ref-489342-S25293543192012072600000) . No Test the (A106) Fused B(+) circuit and the Ground circuit to determine which one has the high resistance. Repair the Fused B(+) circuit or the Ground circuit for high resistance. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-489354-S40173642412012072600000) .
B210E-BATTERY VOLTAGE HIGH
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
With the ignition switch on.
The Wireless Ignition Node (WIN) has detected the Fused (B+) input voltage to be above 15.5 volts for over 15 seconds.
| Possible Causes |
|---|
| (K20) GENERATOR FIELD CONTROL CIRCUIT SHORTED TO BATTERY VOLTAGE |
| (Z911) GROUND CIRCUIT RESISTED |
| GENERATOR |
| POWERTRAIN CONTROL MODULE (PCM) |
| WIRELESS IGNITION NODE (WIN) |
The WIN checks the feature configuration at power up during the initialization process, and continuously through the ignition cycle.
This DTC sets when the WIN detects a mismatch of Model Year, vehicle line, body style or market country between the current vehicle configuration of the module and the information sent out on the CAN bus. Once set, this DTC is latched for the entire ignition cycle.
| Possible Causes |
|---|
| WIRELESS IGNITION NODE |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to WIN PRE-DIAGNOSTIC PROCEDURE .
The WIN monitors the VIN broadcast on the CAN C bus three times, when the ignition is turned to the RUN position. When the full VIN has been received by the WIN, all further broadcasts of the VIN are ignored for that ignition cycle.
When the VIN received from the CAN C bus does not match the VIN stored in the memory of the Wireless Ignition Node, the WIN will send the command to flash the Security warning lamp and set this DTC as active and the vehicle will immobilize. The DTC will remain active until a VIN matching the one stored in WIN memory is received by the module from the bus.
| Possible Causes |
|---|
| WIRELESS IGNITION NODE (WIN) |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to WIN PRE-DIAGNOSTIC PROCEDURE .
During key insertion and removal and at module power up.
When the internal memory is corrupted. This DTC can also set if the vehicle is equipped with a Steering Column Lock module (BUX). If after any three consecutive unsuccessful Steering Column Lock and/or Unlock (ELV) attempts, which could be caused by an encoded data mismatch or the bolt did not reach the intended position when requested.
| Possible Causes |
|---|
| WIRELESS IGNITION NODE (WIN) |
Continuously.
A low pressure condition will exist when the tire pressure falls below or is equal to the low pressure threshold value as specified for the vehicle.
| Possible Causes |
|---|
| INCORRECT TIRE PRESSURE |
| INCORRECT PLACARD VALUES |
| TIRE PRESSURE MONITORING (TPM) SENSOR |
| WIRELESS IGNITION NODE (WIN) |
With vehicle speed greater than 24 km/h (15 mph).
The Wireless Ignition Node (WIN) will monitor the signals from the four active road tire sensors. A loss of signal error is detected when eight consecutive blocks of data are not received or cannot be accurately decoded. An internal sensor hardware error condition will be set when an error in the accelerometer, pressure sensor, or temperature sensor is detected.
| Possible Causes |
|---|
| INCORRECT SENSORS |
| TIRE PRESSURE MONITORING (TPM) SENSOR |
| WIRELESS IGNITION NODE (WIN) |
With vehicle speed greater than 24 km/h (15 mph).
The Wireless Ignition Node (WIN) will monitor the signals from the four active road tire sensors. A loss of signal error is detected when eight consecutive blocks of data are not received or cannot be accurately decoded. An internal sensor hardware error condition will be set when an error in the accelerometer, pressure sensor, or temperature sensor is detected.
| Possible Causes |
|---|
| INCORRECT SENSORS |
| TIRE PRESSURE MONITORING (TPM) SENSOR |
| WIRELESS IGNITION NODE (WIN) |
With vehicle speed greater than 24 km/h (15 mph).
The Wireless Ignition Node (WIN) will monitor the signals from the four active road tire sensors. A loss of signal error is detected when eight consecutive blocks of data are not received or cannot be accurately decoded. An internal sensor hardware error condition will be set when an error in the accelerometer, pressure sensor, or temperature sensor is detected.
| Possible Causes |
|---|
| INCORRECT SENSORS |
| TIRE PRESSURE MONITORING (TPM) SENSOR |
| WIRELESS IGNITION NODE (WIN) |
With vehicle speed greater than 15 m.p.h. (24 km/h).
The Wireless Ignition Node (WIN) will monitor the signals from the four active road tire sensors. A loss of signal error is detected when eight consecutive blocks of data are not received or cannot be accurately decoded. An internal sensor hardware error condition will be set when an error in the accelerometer, pressure sensor, or temperature sensor is detected.
| Possible Causes |
|---|
| INCORRECT SENSORS |
| TIRE PRESSURE MONITORING (TPM) SENSOR |
| WIRELESS IGNITION NODE (WIN) |
C151C-TIRE PRESSURE MONITORING (TPM) SENSORS MISSING
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
During vehicle TPM Sensor ID locate process.
When installing a new Wireless Ignition Node (WIN).
| Possible Causes |
|---|
| INCORRECT TIRE PRESSURE MONITORING (TPM) SENSOR ID(S) |
| TIRE PRESSURE MONITORING (TPM) SENSOR |
| WIRELESS IGNITION NODE (WIN) |
Continuously with the ignition on.
The Diagnostic trouble Code (DTC) will set if the high side driver detects a short to ground for 10 seconds.
| Possible Causes |
|---|
| POWERTRAIN BRAKE SWITCH DTCS |
| K321 BTSI CONTROL CIRCUIT SHORT TO GROUND |
| K321 BTSI CONTROL CIRCUIT OPEN |
| K321 BTSI CONTROL CIRCUIT SHORT TO VOLTAGE |
| WIRELESS IGNITION NODE (WIN) |
Always perform the NAG1 Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to STANDARD PROCEDURE .
Scheme 27
Scheme 28
Scheme 29
Scheme 30
- POWERTRAIN BRAKE SWITCH DTCS With the scan tool, read Engine DTCs. Are there any Powertrain DTCs relating to the Brake Switch present? Yes Refer to «3.6L - DIAGNOSTIC CODE INDEX»(ref-489372) or «5.7L & 6.4L - DIAGNOSTIC CODE INDEX»(ref-489379) and perform the appropriate diagnostic procedure relating to the Powertrain Brake Switch . Perform the NAG1 TRANSMISSION VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-489366-S24940648402012072600000) . No Go To 2 .
- CHECK THE (K321) BTSI CONTROL CIRCUIT Turn the ignition off to the lock position. Disconnect the Shifter Lever Assembly harness connector. Ignition on, engine not running. With the scan tool under WIN, actuate the BTSI. NOTE: Check connectors - Clean/repair as necessary. Using a 12 volt test light connected to ground, check the (K321) BTSI Control circuit. Does the test light illuminate brightly while cycling the (K321) BTSI Control circuit on and off? Yes Replace the Shifter Lever Assembly in accordance with the Service Information. Perform the NAG1 TRANSMISSION VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-489366-S24940648402012072600000) . No Go To 3 .
- (K321) BTSI CONTROL CIRCUIT SHORT TO GROUND Turn the ignition off to the lock position. Disconnect the WIN harness connector. NOTE: Check connectors - Clean/repair as necessary. Measure the resistance between ground and the (K321) BTSI Control circuit. Is the resistance below 5.0 ohms? Yes Repair the (K321) BTSI Control circuit for a short to ground. Perform the NAG1 TRANSMISSION VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-489366-S24940648402012072600000) . No Go To 4 .
- (K321) BTSI CONTROL CIRCUIT OPEN Turn the ignition off to the lock position. NOTE: Check connectors - Clean/repair as necessary. Measure the resistance of the (K321) BTSI Control circuit between the Shifter Lever Assembly harness connector and the WIN harness connector. Is the resistance above 5.0 ohms? Yes Repair the (K321) BTSI Control circuit for an open. Perform the NAG1 TRANSMISSION VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-489366-S24940648402012072600000) . No Go To 5 .
- (K321) BTSI CONTROL CIRCUIT SHORT TO VOLTAGE Turn the ignition off to the lock position. Disconnect the Shifter Lever Assembly harness connector. Disconnect the WIN harness connector. Turn the ignition on. NOTE: Check connectors - Clean/repair as necessary. Measure the voltage between ground and the (K321) BTSI Control circuit. Is the voltage above 10 volts? Yes Repair the (K321) BTSI Control circuit for a short to voltage. Perform the NAG1 TRANSMISSION VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-489366-S24940648402012072600000) . No Go To 6 .
- WIRELESS IGNITION NODE Using the schematics as a guide, inspect the wiring and connectors. Repair as necessary. Pay particular attention to all power and ground circuits. If there are no possible causes remaining: Replace the Wireless Ignition Node in accordance with the Service Information. Perform the NAG1 TRANSMISSION VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-489366-S24940648402012072600000) .
With the ignition on.
Whenever the CAN C Bus (+) or CAN C Bus (-) circuit is open, shorted to voltage or shorted to ground.
| Possible Causes |
|---|
| CAN C BUS CIRCUITS OPEN OR SHORTED |
| DIAGNOSTIC TROUBLE CODES (DTC) RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES PRESENT |
| TOTALLY INTEGRATED POWER MODULE (TIPM) NOT CONFIGURED CORRECTLY |
| TOTALLY INTEGRATED POWER MODULE (TIPM) POWER AND GROUND |
| TOTALLY INTEGRATED POWER MODULE (TIPM) |
| ANY CAN C MODULE SHORTED |
Ignition run time is greater than one second.
Battery voltage between 9 and 16 volts.
Engine run time greater than three seconds.
Bus messages not received from the Totally Integrated Power Module (TIPM) for approximately two to five seconds.
| Possible Causes |
|---|
| CAN BUS CIRCUITS OPEN OR SHORTED |
| DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES |
| TOTALLY INTEGRATED POWER MODULE POWER AND GROUND |
| TIPM NOT CONFIGURED CORRECTLY |
| TOTALLY INTEGRATED POWER MODULE (TIPM) |
| MODULE THAT SET THIS DTC |
Ignition run time is greater than one second.
Battery voltage between 9 and 16 volts.
Engine run time greater than three seconds.
Bus messages not received from the Anti Lock Brake Module (ABS) for approximately two to five seconds.
| Possible Causes |
|---|
| CAN BUS CIRCUITS OPEN OR SHORTED |
| ABS MODULE |
| DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES |
| TOTALLY INTEGRATED POWER MODULE POWER AND GROUND |
| TIPM NOT CONFIGURED CORRECTLY |
| TOTALLY INTEGRATED POWER MODULE (TIPM) |
| MODULE THAT SET THIS DTC |
Continuously when the ignition is on.
The battery voltage between 10.0 and 16.0 Volts.
Ignition Off Draw (IOD) fuse installed.
Totally Integrated Power Module (TIPM) is configured correctly.
Bus messages not received from the Totally Integrated Power Module (TIPM) for approximately two to five seconds.
| Possible Causes |
|---|
| CAN BUS CIRCUITS OPEN OR SHORTED |
| DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES |
| TOTALLY INTEGRATED POWER MODULE POWER AND GROUND |
| TIPM NOT CONFIGURED CORRECTLY |
| TOTALLY INTEGRATED POWER MODULE (TIPM) |
| MODULE THAT SET THIS DTC |
Whenever a FOBIK is rotated to the Run position.
This DTC sets if the WIN does not receive a CAN Bus message from the ECM/PCM. This code will set on the 20th start attempt.
| Possible Causes |
|---|
| PCM PROGRAMMING |
TPM VERIFICATION
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .