Lost Communication With Transmission Control Module
Table of contents
U0101 LINCOLN Possible Causes
- Damaged Controller Area Network (CAN) communication bus circuit
- Check for more codes
- Faulty Transaxle Control Module (TCM)
- Transaxle Control Module (TCM) harness is open or shorted
- Transaxle Control Module (TCM) circuit poor electrical connection
How do I fix code U0101 LINCOLN?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Tech Notes
- Check for other Powertrain Control Module (PCM) codes or PCM related symptoms. Diagnose all other PCM codes or PCM related symptoms first.
Cost of diagnosing the U0101 LINCOLN code
The cost of diagnosing the U0101 LINCOLN code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
U0101 LINCOLN Description
The Powertrain Control Module (PCM) continuously monitors the Controller Area Network (CAN) for messages from the Transaxle Control Module (TCM). The U0101 code sets when the PCM does not receive the TCM message within the defined amount of time.