U0140 - Lost Communication With Body Control Module - DTC Chart
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U0140 - LOST COMMUNICATION WITH BODY CONTROL MODULE - DTC CHART
| Description: The PCM continuously monitors controller area network (CAN) for messages from body control module (BCM). This DTC sets when the PCM does not receive the BCM message within the defined amount of time. | |||
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 QA . | ||