545RFE Automatic Transmission - Electrical Diagnostics: Diagnosis Dodge Durango II

45RFE/545RFE TRANSMISSION VERIFICATION TEST - VER 1

For the Transmission circuit diagram (Refer to - SCHEMATICS AND DIAGRAMS ).

Diagnostic Test

1. 45RFE/545RFE TRANSMISSION VERIFICATION TEST - VER 1 NOTE: After completion of the Transmission Verification Test, the Powertrain Verification Test must be performed. Connect the scan tool to the Data Link Connector (DLC). Reconnect any disconnected components. NOTE: If the PCM has been replaced or if the transmission has been repaired or replaced it is necessary to perform the scan tool Quick Learn Procedure. With the scan tool, erase all Transmission and Engine DTC's. With the scan tool, display Transmission Temperature. Start and run the engine until the Transmission Temperature is HOT, above 43° C or 110° F. Check the Transmission fluid level and adjust if necessary. Refer to «SERVICING - A/T»(ref-170067) for the Fluid Fill procedure. Road test the vehicle. Perform the following shifts from a standing start with a constant throttle opening of 20 to 25 degrees to the speeds of 97 Km/h or 60 MPH; make fifteen to twenty 1 to 2, 2 to 3, 3 to 4 upshifts and for 545RFE, 4 to 4-prime. Perform the following shifts with speeds below 40 Km/h or 25 MPH; make five to eight wide open throttle kickdowns to 1st gear. Allow at least 5 seconds each in 2nd and 3rd gear between each kick-down. Check for DTC's during the road test. NOTE: Use the EATX OBDII task manager to run Good Trip time in each gear, this will confirm the repair and to ensure that the DTC has not re-matured. With the scan tool, perform a BATTERY DISCONNECT , this will clear the EATX DTC EVENT DATA Were there any Diagnostic Trouble Codes (DTCs) set during the road test? Yes : Refer to the Symptom List for the appropriate diagnostic tests. No : Repair is complete.

PRE-DIAGNOSTIC CHECK OUT

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to - SCHEMATICS AND DIAGRAMS ).

1. No : Refer to the diagnostic test procedure related to the DTC.
2. PRE-DIAGNOSTIC CHECK OUT NOTE: Low fluid level can be the cause of many transmission problems. If the fluid level is low locate and repair the leak then check and adjust the fluid level. NOTE: Always perform diagnostics with a fully charged battery to avoid false symptoms. With the scan tool, read the engine DTC's. Check and repair all Engine DTC's prior to performing Transmission symptom diagnostics. With the scan tool, read Transmission DTC's. Record all DTC's and 1 Trip Failures. NOTE: Diagnose 1 Trip Failures as a fully matured DTC. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Repair as necessary. Perform the Shift Lever Position Test. If the test does not pass, refer to Symptom test for P0706 Check Shifter Signal. For Gear Ratio DTC's, check and record all CVI's. Most DTC's set on start up but some must be set by driving the vehicle to ensure that all diagnostic monitors have run. NOTE: Verify flash level of Powertrain Controller. Some problems are corrected by software upgrades to the Transmission and Engine Systems. NOTE: Due to the integration of the Powertrain and Transmission control modules - if a controller flash is performed it is necessary to perform Quick Learn and the Drive Learn procedures with the scan tool. Failure to do so may result in shift quality complaints. NOTE: Check for applicable Service Bulletins that may apply. Were any repairs made that fixed the customer's complaint? Yes : Testing complete.

1. CHECK WIRING AND CONNECTORS FOR INTERMITTENT OPERATION 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. NOTE: Due to the integration of the Powertrain and Transmission Control Modules, the transmission part of the PCM has it's own specific power and ground circuits. Wiggle the wires while checking for shorted and open circuits. Check for any Service Bulletins that may apply. Were there any problems found? Yes : Repair the power and/or ground circuits to the PCM and Transmission Control Relay as necessary. Perform «45RFE/545RFE TRANSMISSION VERIFICATION TEST - VER 1»(ref-212828-S08485914552005122700000) . No : Replace the PCM. With the scan tool, perform QUICK LEARN . Perform «45RFE/545RFE TRANSMISSION VERIFICATION TEST - VER 1»(ref-212828-S08485914552005122700000) .

1. CHECK WIRING AND CONNECTORS FOR INTERMITTENT OPERATION 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. NOTE: Due to the integration of the Powertrain and Transmission Control Modules, the transmission part of the PCM has it's own specific power and ground circuits. Wiggle the wires while checking for shorted and open circuits. Check for any Service Bulletins that may apply. Were there any problems found? Yes : Repair the power and/or ground circuits as necessary. Perform «45RFE/545RFE TRANSMISSION VERIFICATION TEST - VER 1»(ref-212828-S08485914552005122700000) . No : Replace the PCM. With the scan tool, perform QUICK LEARN . Perform «45RFE/545RFE TRANSMISSION VERIFICATION TEST - VER 1»(ref-212828-S08485914552005122700000) .

1. CHECK THE WIRING AND CONNECTORS 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. NOTE: Due to the integration of the Powertrain and Transmission Control Modules, the transmission part of the PCM has it's own specific power and ground circuits. Wiggle the wires while checking for shorted and open circuits. Check for any Service Bulletins that may apply. Were there any problems found? Yes : Repair the power and/or ground circuits as necessary. Perform «45RFE/545RFE TRANSMISSION VERIFICATION TEST - VER 1»(ref-212828-S08485914552005122700000) . No : Replace the PCM. With the scan tool, perform QUICK LEARN . Perform 45RFE/545RFE TRANSMISSION VERIFICATION TEST- VER 1.

Scheme 663

For the Transmission circuit diagram (Refer to - SCHEMATICS AND DIAGRAMS ).

1. POSSIBLE CAUSES This DTC is an informational DTC only. This DTC is set due to a momentary loss of power and/or the ground circuits to the PCM. Below are a list of possible causes associated with this DTC. Battery was disconnected. The BATTERY DISCONNECT feature on the scan tool was performed. The QUICK LEARN feature on the scan tool was performed. PCM was replaced or disconnected. Were any of the above possible causes performed? Yes : This is the cause of the DTC. Erase the DTC and return vehicle to customer. Perform «45RFE/545RFE TRANSMISSION VERIFICATION TEST - VER 1»(ref-212828-S08485914552005122700000) . No : Go To 2
2. 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. NOTE: Check all power and ground circuits to the PCM for a intermittent or high resistance condition. Wiggle the wires while checking for shorted and open circuits. With the scan tool, check the EATX DTC EVENT DATA to help identify the conditions in which the DTC was set. Where there any problems found? Yes : Repair as necessary. Perform «45RFE/545RFE TRANSMISSION VERIFICATION TEST - VER 1»(ref-212828-S08485914552005122700000) . No : Test Complete.

Diagnose the U0002 CAN C BUS OFF PERFORMANCE as the U0001 CAN C BUS CIRCUIT test in 8-ELECTRICAL/ELECTRONIC CONTROL MODULES - DIAGNOSIS AND TESTING for diagnostic procedures and for further possible causes.

Scheme 664

For the Transmission circuit diagram (Refer to - SCHEMATICS AND DIAGRAMS )

Refer to DIAGNOSIS AND TESTING for diagnostic procedures and for further possible causes.

Scheme 665

For the Transmission circuit diagram (Refer to - SCHEMATICS AND DIAGRAMS )

Refer to DIAGNOSIS AND TESTING for diagnostic procedures and for further possible causes.

Scheme 666

For the Transmission circuit diagram (Refer to - SCHEMATICS AND DIAGRAMS )

Refer to DIAGNOSIS AND TESTING for diagnostic procedures and for further possible causes.

Scheme 667