Diagnostic Test
- BODY CONTROL MODULE (BCM) CAN BUS DTCS ARE PRESENT
- With the scan tool, read BCM DTCs.
Are there any BCM CAN BUS DTCs present?
Yes
- Perform the appropriate diagnostic procedure. Refer to DIAGNOSIS AND TESTING .
No
- Go To 2.
- With the scan tool, read BCM DTCs.
- POWERTRAIN CONTROL MODULE (PCM) DTCS ARE PRESENT
- With the scan tool, read Powertrain Control Module (PCM) DTCs.
Are there any PCM DTCs present?
Yes
- Refer to 2.4L - DIAGNOSTIC CODE INDEX or 3.6L - DIAGNOSTIC CODE INDEX and perform the appropriate diagnostic procedure.
No
- Using the schematics as a guide, check the DTCM pins, terminals, and connectors for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. If no problems are found, replace the Drive Train Control Module (DTCM) in accordance with Service Information. Refer to MODULE, DRIVETRAIN CONTROL, REMOVAL .
- Perform the DTCM VERIFICATION TEST. Refer to STANDARD PROCEDURE .
- With the scan tool, read Powertrain Control Module (PCM) DTCs.