U0101 FORD - Lost Communication With Transmission Control Module
- Damaged Controller Area Network (CAN) communication bus circuit
Tech notesCheck for other Powertrain Control Module (PCM) codes or PCM related symptoms. Diagnose all other PCM codes or PCM related symptoms first.
- Engine Light ON (or Service Engine Soon Warning Light)
U0101 Ford DescriptionThe Powertrain Control Module (PCM) continuously monitors the Controller Area Network (CAN) for messages from the Transaxle Control Module (TCM). The U0101 code sets when the PCM does not receive the TCM message within the defined amount of time.
U0101 Ford Information for specific Ford models
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