U0129 (TCM) - Lost Communication With Brake System Control Module
WARNING: This page is about a different car, the 2010 Mercury Mariner and 2010 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
U0129 (TCM) - LOST COMMUNICATION WITH BRAKE SYSTEM CONTROL MODULE
| Description: | The transaxle control module (TCM) continuously monitors the controller area network (CAN) for messages from the anti-lock brake system (ABS) module. This DTC sets when the TCM does not receive the ABS message within the defined amount of time. | ||
| Possible Causes: |
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| Diagnostic Aids: | Check for other TCM DTCs or TCM related symptoms. Diagnose all other TCM DTCs or TCM related symptoms first. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST QA . | ||