Diagnostic Test

VERIFY DTC IS ACTIVE 

1. Cycle 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  DTC INDEX  and perform the U0140-Lost Communication with Body Control Module diagnostic procedure.

   No 

   • Refer to  DIAGNOSIS AND TESTING  and perform the Stored Lost Communication DTCs diagnostic procedure.