Diagnostic Test

VERIFY THE DTC IS ACTIVE
1. Turn the ignition on.
2. Using the scan tool, read RBC DTCs.
  Is the DTC active at this time?
  
  Yes
  - Go To 2
  No
  - Perform the NO RESPONSE FROM BCM (BODY CONTROL MODULE) diagnostic procedure. Refer to NO RESPONSE FROM ABS (ANTI-LOCK BRAKE SYSTEM MODULE) .
VERIFY THAT THE BODY CONTROL MODULE (BCM) IS ACTIVE ON THE BUS
1. Using the scan tool, select Network Diagnostics.
2. Verify that the BCM is active on the bus.
  Is the BCM active on the bus?
  
  Yes
  - Go To 3
  No
  - Perform the NO RESPONSE FROM BCM (BODY CONTROL MODULE) diagnostic procedure. Refer to NO RESPONSE FROM ABS (ANTI-LOCK BRAKE SYSTEM MODULE) .
REGENERATIVE BRAKE CONTROLLER (RBC)
1. Turn the ignition off.
2. Replace the Regenerative Brake Controller (RBC) in accordance with service information. Refer to CONTROLLER, REGENERATIVE BRAKE (RBC), REMOVAL .
3. Perform the RBC VERIFICATION TEST. Refer to STANDARD PROCEDURE .
4. Turn the ignition on.
5. Using the scan tool, read RBC DTCs.
  Does the DTC remain active?
  
  Yes
  - Replace the Body Control Module (BCM) in accordance with service information. Refer to MODULE, BODY CONTROL, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Test complete.