Diagnostic Test

CHECK FOR POWERTRAIN CONTROL MODULE (PCM) DTCS
1. Turn the ignition on.
2. With the scan tool, read PCM DTCs and record on the repair order.
  Are there any active PCM DTCs?
  
  Yes
  - Go to DTC INDEX and perform the appropriate diagnostic procedure. .
  No
  - Go To 2
CHECK FOR AN ACTIVE DTC
1. Start the Engine.
2. With the scan tool, read the Body Control Module (BCM) DTCs and record on the repair order.
  Is the DTC active?
  
  Yes
  - Replace the BCM in accordance with the Service Information. Refer to MODULE, BODY CONTROL (BCM), REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - The condition or conditions that originally set this DTC are not present at this time. 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. If no problems are found, test complete.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .