DTC U0100: (TCM) Lost Communication With ECM/Pcm A
WARNING: This page is about a different car, the 2006 Mercury Mariner and 2006 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
U0100 (TCM) - LOST COMMUNICATION WITH ECM/PCM A
| Description: | The TCM continuously monitors CAN network for messages from the PCM. This DTC is set when TCM stops receiving PCM messages for a set amount of time. | ||
| Possible Causes: | See the possible causes for DTC U0073. | ||
| Diagnostic Aids: | See the diagnostic aids for DTC U0001. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | Refer to MODULE COMMUNICATIONS NETWORK . | ||