U0140-8F Lost Communication With Body Control Module - Erratic
Perform the COMMUNICATION PRE-DIAGNOSTIC PROCEDURE. Refer to COMMUNICATION PRE- DIAGNOSTIC PROCEDURE .
NOTE:
This INVALID DATA DTC indicates that the BCM module is not sending the required information over the CAN bus. Therefore, the BCM module is considered to be the "offending module". The "offending module" will be referred to in the COMMUNICATION PRE-DIAGNOSTIC procedure.