AutoCodes – Ford – U0101 2010 Ford Fusion

U0101 2010 Ford Fusion Code - Lost Communication With Transaxle Control Module

Quick Answer

The Powertrain Control Module (PCM) continuously monitors the Controller Area Network (CAN) for messages from the Transaxle Control Module (TCM). Common causes include Damaged Controller Area Network (CAN) communication bus circuit, Check for more codes, Faulty Transaxle Control Module (TCM). Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: U0101 2010 Ford Fusion indicates Lost Communication With Transaxle Control Module.
Common causes: Common causes include Damaged Controller Area Network (CAN) communication bus circuit, Check for more codes, Faulty Transaxle Control Module (TCM).
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 3,900

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Mar 29, 2020

Description
Step-by-Step Diagnostic Guide
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code U0101 2010 Ford Fusion 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 2010 Ford Fusion - Lost Communication With Transaxle Control Module - AutoCodes.com — U0101 2010 Ford Fusion Code - Lost Communication With Transaxle Control Module

What does this mean?

What are the Possible Causes of the DTC U0101 2010 Ford Fusion?

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 to Fix the DTC U0101 2010 Ford Fusion?

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

What does this mean?

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.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the U0101 2010 Ford Fusion code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the U0101 2010 Ford Fusion code?

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Need Help with the Code?

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about U0101 2010 Ford Fusion Code

1. What are common symptoms of the OBDII code U0101 in a 2010 Ford Fusion?

- Common symptoms include the check engine light coming on, transmission shifting issues, and potentially reduced fuel efficiency.

2. What does the U0101 code "Lost Communication With Transaxle Control Module" mean for a 2010 Ford Fusion?

- This code indicates a communication problem between the vehicle's engine control module (ECM) and the transmission control module (TCM).

3. What are possible causes of the U0101 code in a 2010 Ford Fusion?

- Possible causes include a faulty TCM, wiring or connection issues between the ECM and TCM, a blown fuse, or a software glitch.

4. How can I diagnose the U0101 code in my 2010 Ford Fusion?

- Diagnosing the U0101 code may involve checking the TCM for power and ground, inspecting wiring for damage, and using a diagnostic scanner to communicate with the TCM.

5. Can I still drive my 2010 Ford Fusion with the U0101 code present?

- It is not recommended to drive the vehicle with the U0101 code present, as it can lead to potential transmission issues and further damage.

6. How can I repair the U0101 code in my 2010 Ford Fusion?

- Repair options may include replacing the TCM if faulty, repairing or replacing damaged wiring, ensuring proper connections, and clearing the code with a diagnostic tool.

7. Is the U0101 code in a 2010 Ford Fusion a serious issue?

- Yes, the U0101 code should be addressed promptly to prevent potential transmission problems and ensure the vehicle operates safely and efficiently.

8. Can a DIY enthusiast fix the U0101 code in a 2010 Ford Fusion?

- While some basic troubleshooting steps can be performed by DIY enthusiasts, diagnosing and repairing the U0101 code may require professional expertise and specialized tools.

9. How much does it typically cost to repair the U0101 code in a 2010 Ford Fusion?

- Repair costs for the U0101 code can vary depending on the root cause of the issue, but they may range from a few hundred to over a thousand dollars, including parts and labor.

10. How often does the U0101 code occur in a 2010 Ford Fusion?

- The U0101 code can occur sporadically or more frequently depending on the underlying cause, driving conditions, and maintenance of the vehicle.