DTC U0100: Lost Communication With Electronic Control Module (ECM)/Powertrain Control Module (Pcm) A
U0100 - LOST COMMUNICATION WITH ELECTRONIC CONTROL MODULE (ECM)/POWERTRAIN CONTROL MODULE (PCM) A
| Description: The transaxle control module (TCM) continuously monitors controller area network (CAN) for messages from the powertrain control module (PCM). This DTC sets when TCM stops receiving PCM messages for a set 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 | Refer to the Description, Possible Causes and Diagnostic Aids for the DTC. | ||