Diagnostic Test
- DTC IS ACTIVE NOTE:
Diagnose all CAN C and CAN Interior bus communication DTCs before continuing.
NOTE:This DTC must be active for the results of this test to be valid.
- CHECK FOR TOTALLY INTEGRATED POWER MODULE (TIPM) DTCS
- With the scan tool, read DTCs in the TIPM.
Are there any TIPM DTCs present?
Yes
- Refer to DIAGNOSIS AND TESTING and perform the appropriate diagnostic procedure.
No
- Replace the Drive Train Control Module (DTCM) in accordance with the Service Information. Refer to MODULE, DRIVETRAIN CONTROL , REMOVAL .
- Perform the DTCM VERIFICATION TEST. Refer to STANDARD PROCEDURE .
- With the scan tool, read DTCs in the TIPM.
- INTERMITTENT WIRING HARNESS AND CONNECTORS
- The conditions necessary to 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 correct pin tension.
- Wiggle test the wiring harness and connectors while monitoring the scan tool data relative to this circuit.
- Look for the data to change or for the DTC to reset during the wiggle test.
Were any problems found?
Yes
- Repair as necessary.
- Perform the DTCM VERIFICATION TEST. Refer to STANDARD PROCEDURE .
No
- Test complete, the condition or conditions that originally set this DTC are not present at this time.