DTC U0101: Lost Communication With TCM
WARNING: This page is about a different car, the 2013 Ford F-550 Super Duty, 2013 Ford F-450 Super Duty, 2013 Ford F-350 Super Duty, and 2013 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
DTC U0101: LOST COMMUNICATION WITH TCM
| Description: | This DTC sets when the PCM does not receive the transmission control module (TCM) message within the defined amount of time. | ||
| Possible Causes: |
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| Diagnostic Aids: | Network DTC concerns occur during module to module communication. Refer to the appropriate Module Communications Network article, Communication Network DTC Chart to continue diagnosis. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST AE . | ||