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DTC U0140: Lost Communication With Body Control Module

U0140 - LOST COMMUNICATION WITH BODY CONTROL MODULE

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: 
  • Communication error
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 
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