DTC U0100: Lost Communication With Electronic Control Module (ECM)/Powertrain Control Module (Pcm) A
WARNING: This page is about a different car, the 2011 Mercury Milan, 2011 Lincoln MKZ, 2011 Ford Fusion, 2010 Mercury Milan, and 2010 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
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 MODULE COMMUNICATIONS NETWORK -- FUSION, MILAN & MKZ , 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 in table | ||