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U0101 Ford Code - Lost Communication With Transmission Control Module

- Code Popularity: 63,772 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC U0101 Ford?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other 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
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How to Fix the DTC U0101 Ford?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

Code Tech Notes

Check for other Powertrain Control Module (PCM) codes or PCM related symptoms. Diagnose all other PCM codes or PCM related symptoms first.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the U0101 Ford code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

Code U0101 Ford 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.

OBDII Code U0101 Ford - Lost Communication With Transmission Control Module  - AutoCodes.com
U0101 Ford Code - Lost Communication With Transmission Control Module

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