Diagnostic Test
- CHECK FOR TIPM CAN BUS DTCS
- With the scan tool, read TIPM DTCs.
Are there any TIPM CAN BUS DTCs present?
Yes
- Refer to the DIAGNOSTIC CODE INDEX article and perform the appropriate symptom.
- Perform AWD CONTROL MODULE VERIFICATION TEST. Refer to STANDARD PROCEDURE .
No
- Go To 2
- With the scan tool, read TIPM DTCs.
- CHECK IF ABS DTCS ARE PRESENT
- With the scan tool, read ABS DTCs.
Are there any ABS DTCs present?
Yes
- Refer to DIAGNOSIS AND TESTING and perform the appropriate symptom.
- Perform AWD CONTROL MODULE VERIFICATION TEST. Refer to STANDARD PROCEDURE .
No
- Using the schematics as a guide, check the AWD Control Module 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 PCM/TCM in accordance with the Service Information.
- Perform AWD CONTROL MODULE VERIFICATION TEST. Refer to STANDARD PROCEDURE .
- With the scan tool, read ABS DTCs.