Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSFORD2005CROWN VICTORIA SPECIAL EDITIONREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 230 (ENGINE CONTROLS - POWERTRAIN DTC CHARTS & DESCRIPTIONS - (HYBRID))DTC DIAGNOSISDTC U0129: (TCM) LOST COMMUNICATION WITH ANTI-LOCK BRAKE SYSTEM CONTROL MODULE
2005 Ford Crown Victoria Special Edition
DTC U0129: (TCM) Lost Communication With Anti-Lock Brake System Control Module
2005 Ford Crown Victoria Special EditionSECTION DTC U0129: (TCM) Lost Communication With Anti-Lock Brake System Control Module
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.
U0129 (TCM) - LOST COMMUNICATION WITH ANTI-LOCK BRAKE SYSTEM CONTROL MODULE
| Description: | The TCM continuously monitors the CAN network for messages from the ABS. This DTC is set when the TCM fails to receive the ABS message within the defined 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 . | ||
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.