U0101 - Lost Communication With TCM
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DTC DESCRIPTION U0101 - LOST COMMUNICATION WITH TCM
| Description: | The PCM continuously monitors the controller area network (CAN) for messages from the transmission control module (TCM). This DTC sets when the PCM does not receive the TCM 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. | ||