Diagnostic Test

CHECK FOR AN ACTIVE DTC
NOTE:
Diagnose and repair any Body Control Module (BCM), VIN or Communication DTCs before continuing with this diagnostic procedure.

NOTE:
This DTC must be active for the results of this test to be valid.
1. Perform any Service Bulletins that may apply.
2. Turn the ignition on.
3. With the scan tool, read ABS DTCs and record on the repair order.
4. With the scan tool, read and record the Environmental Data to help identify the conditions in which the DTC was set.
5. With the scan tool, erase ABS DTCs.
6. Start the engine.
7. With the scan tool, read ABS DTCs.
  Did the DTC return?
  
  Yes
  - Go To 2
  No
  - Perform the ABS-INTERMITTENT CONDITION TEST. Refer to ABS INTERMITTENT CONDITION .
BODY CONTROL MODULE (BCM) CONFIGURATION
1. Using the scan tool, verify that the BCM has been configured.
  Was the BCM been configured correctly?
  
  Yes
  - Replace the Anti-lock Brake System (ABS) Module in accordance with the Service Information. Refer to MODULE, ANTI-LOCK BRAKE SYSTEM, REMOVAL .
  - Perform the ABS VERIFICATION TEST. Refer to ABS VERIFICATION TEST .
  No
  - Perform the BCM configuration routine again, if still unsuccessful.
  - Go To 3
BODY CONTROL MODULE (BCM)
1. Turn the ignition on.
2. With the scan tool, read ABS DTCs and record on the repair order.
3. Cycle the ignition switch from off to on.
4. With the scan tool, read DTCs.
  Does the DTC remain active?
  
  Yes
  - Replace the Body Control Module (BCM) in accordance with the Service Information. Refer to MODULE, BODY CONTROL, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Test complete.