Diagnostic Test

VERIFY IF THE DTC IS ACTIVE
1. Turn the ignition on.
2. With the scan tool, read the active DTCs.
  Does the scan tool display; U0140-00-LOST COMMUNICATION WITH BODY CONTROL MODULE as active?
  
  Yes
  - Refer to the DTC INDEX article and perform the U0140-LOST COMMUNICATION WITH BODY CONTROL MODULE diagnostic procedure.
  No
  - Refer to DIAGNOSIS AND TESTING and perform the STORED LOST COMMUNICATION DTC diagnostic procedure.