Diagnostic Test
- CHECK FOR AN ACTIVE DTC NOTE:
This DTC must be active for the results of this test to be valid.
- Turn the ignition on.
- With the scan tool, read ABS DTCs and record on the vehicle repair order.
- With the scan tool, erase EPS DTCs.
- Start the vehicle.
- With the scan tool, read ABS DTCs.
Did the DTC return?
Yes
- Go To 2
No
- The conditions that caused this code to set are not present at this time. Using the appropriate SYSTEM WIRING DIAGRAM/schematic as a guide, inspect the wiring harness and electrical connectors.
- Perform the ABS VERIFICATION TEST. Refer to ABS VERIFICATION TEST .
- WRONG VIN PROGRAMMED IN PCM
- Turn the ignition on.
- With the scan tool, read the VIN in the PCM.
- Compare VIN in the PCM to the vehicle VIN.
Is the correct VIN programmed in the PCM?
Yes
- Go To 3
No
- Program the correct VIN into the PCM. Follow the VIN programing procedure in the PCM/ECM reprogramming procedure. Refer to STANDARD PROCEDURE .
- Perform the ABS VERIFICATION TEST. Refer to ABS VERIFICATION TEST .
- VERIFY THE BCM PROXI CONFIGURATION ALIGNMENT ROUTINE WAS PERFORMED
- In the Body Control Module (BCM) with the scan tool, under "Miscellaneous Functions" run the "PROXI Configuration Alignment" routine.
- With the scan tool, erase EPS DTCs.
- Cycle the ignition switch from off to on, leaving the ignition on for a minimum of ten seconds.
- With the scan tool, read ABS DTCs.
Does the DTC remain active?
Yes
- Using the schematics as a guide, check the Anti-lock Brake System (ABS) 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 Anti-lock Brake System (ABS) Module in accordance with the Service Information. Refer to MODULE, ANTI-LOCK BRAKE SYSTEM (ABS), REMOVAL AND INSTALLATION .
- Perform the ABS VERIFICATION TEST. Refer to ABS VERIFICATION TEST .
No
- Test complete, the condition or conditions that originally set this DTC are not present at this time.