Diagnostic Test
- VERIFY THE DTC IS ACTIVE
- REAR DRIVELINE MODULE ACTUATOR
- Replace the Rear Driveline Module Actuator in accordance with the Service Information. Perform the DTCM VERIFICATION TEST. Refer to STANDARD PROCEDURE .
- Ignition on, engine not running.
- With the scan tool, record and erase DTCs.
- Test drive the vehicle in Sport Mode and verify proper operation.
- Ignition on, engine not running.
- With the scan tool, read DTCs.
Does the DTC remain active?
Yes
- Replace the Rear Driveline Module (RDM) in accordance with the Service Information. Refer to REMOVAL .
- Perform the DTCM VERIFICATION TEST. Refer to STANDARD PROCEDURE .
No
- Go To 4
- VERIFY THE DTC
- Ignition on, engine not running.
- With the scan tool, record and erase DTCs.
- Test drive the vehicle in Sport Mode and verify proper operation.
- Ignition on, engine not running.
- With the scan tool, read DTCs.
Is the DTC active at this time?
Yes
- Replace the Drivetrain Control Module (DTCM) in accordance with the Service Information. Refer to MODULE, DRIVETRAIN CONTROL, REMOVAL .
- Perform the DTCM VERIFICATION TEST. Refer to STANDARD PROCEDURE .
No
- Go To 4
- INTERMITTENT WIRING AND CONNECTORS
- 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.
- While monitoring the scan tool data related to this circuit, move the selector switch to each position several times.
- Look for the data to change other than as expected or for the DTC to reset.
Were there any problems found?
Yes
- Repair as necessary.
- Perform the TRANSFER CASE VERIFICATION TEST. Refer to STANDARD PROCEDURE .
No
- Test complete, the condition or conditions that originally set this DTC are not present at this time.