U0140 - Lost Communication With Body Control Module
U0140 - LOST COMMUNICATION WITH BODY CONTROL MODULE
| Description: The powertrain control module (PCM) continuously monitors the controller area network (CAN) for messages from the body control module (BCM). This DTC sets when the PCM receives invalid data from the BCM. | |||
Possible Causes:
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| Diagnostic Aids: Check for other PCM DTCs or PCM related symptoms. Diagnose all other PCM DTCs or PCM related symptoms first. | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST AE . | ||