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Engine-Codes – Generic – U0107

U0107 Code - Lost Communication With Throttle Actuator Control Module

Quick Answer

The U0107 diagnostic trouble code (DTC) indicates that the vehicle's engine control module (ECM) has lost communication with the throttle actuator control module. Common causes include Faulty throttle actuator control module, Damaged wiring or connectors between the ECM and throttle actuator control module, Malfunctioning ECM. 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
U0107 indicates Lost Communication With Throttle Actuator Control Module.
Common causes
Common causes include Faulty throttle actuator control module, Damaged wiring or connectors between the ECM and throttle actuator control module, Malfunctioning ECM.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 09, 2024
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Code U0107 Description

The U0107 diagnostic trouble code (DTC) indicates that the vehicle's engine control module (ECM) has lost communication with the throttle actuator control module. The throttle actuator control module is responsible for controlling the opening and closing of the throttle body, which regulates the amount of air entering the engine. When communication between the ECM and the throttle actuator control module is lost, it can have significant implications for the vehicle's performance.

OBDII Code U0107 - Lost Communication With Throttle Actuator Control Module
U0107 Code - Lost Communication With Throttle Actuator Control Module

Common Causes of U0107

  1. Faulty throttle actuator control module.
  2. Damaged wiring or connectors between the ECM and throttle actuator control module.
  3. Malfunctioning ECM.
  4. Software issues or communication errors.
  5. Poor connection between components.

Symptoms of U0107

  1. Poor acceleration or lack of response when pressing the gas pedal.
  2. Rough idling or engine misfires.
  3. Stalling or difficulty starting the engine.
  4. Reduced fuel efficiency.
  5. Illumination of the check engine light on the dashboard.

How to Fix U0107

  1. Begin by conducting a thorough inspection of the wiring and connectors between the ECM and throttle actuator control module. Repair or replace any damaged components.
  2. Use a diagnostic scanner to reset the DTC and attempt to establish communication between the ECM and throttle actuator control module.
  3. If communication is still not established, replace the throttle actuator control module with a new one.
  4. Clear the DTC and perform a test drive to ensure that the issue has been resolved.
  5. If the problem persists, further diagnostics may be necessary to identify any other underlying issues.

Cost to Fix U0107

The typical repair costs for addressing the U0107 code can vary depending on the specific cause of the communication loss. In general, replacing a faulty throttle actuator control module can cost anywhere from $200 to $500, including parts and labor. However, additional diagnostic time and labor charges may apply, and rates can vary based on the location, vehicle make and model, and engine type. It's recommended to consult with a professional mechanic to obtain a more accurate estimate for the repair.

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Code U0107 Information for Specific Makes

  • U0107 Acura — Lost Communication With Throttle Actuator Control Module
  • U0107 Buick — Lost Communication With Throttle Actuator Control Module
  • U0107 Cadillac — Lost Communication With Throttle Actuator Control Module
  • U0107 Chevrolet — Lost Communication With Throttle Actuator Control Module
  • U0107 GMC — Lost Communication With Throttle Actuator Control Module
  • U0107 Honda — Lost Communication With Throttle Actuator Control Module
  • U0107 Hummer — Lost Communication With Throttle Actuator Control Module
  • U0107 Saturn — Lost Communication With Throttle Actuator Control Module
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 U0107 Code

1. What are the common symptoms of OBDII code U0107 (Lost Communication With Throttle Actuator Control Module)?

- Common symptoms include the engine stalling or idling erratically, reduced power, and the vehicle going into limp mode.

2. What are the possible causes of OBDII code U0107?

- Causes can include a faulty throttle actuator control module, damaged wiring or connectors, a blown fuse, or software issues.

3. How can I diagnose OBDII code U0107?

- Diagnosing this code typically involves checking the wiring and connectors for damage, testing the throttle actuator control module, and using a scan tool to communicate with the module.

4. Can I still drive my vehicle with OBDII code U0107 present?

- It is not recommended to drive the vehicle with this code present, as it can cause performance issues and potentially lead to further damage.

5. How can I repair OBDII code U0107?

- Repairing this code may involve replacing the throttle actuator control module, repairing or replacing damaged wiring or connectors, checking and replacing fuses, or updating software.

6. Will disconnecting the battery reset OBDII code U0107?

- Disconnecting the battery may temporarily clear the code, but if the underlying issue is not addressed, the code is likely to return.

7. Can a DIY enthusiast fix OBDII code U0107?

- While some aspects of diagnosing and repairing this code may be within reach of a skilled DIY enthusiast, it is often best to seek professional help due to the complexity of the throttle control system.

8. How much does it cost to repair OBDII code U0107?

- The cost of repairing this code can vary depending on the specific issue, parts needed, and labor rates. It's best to get a diagnostic from a mechanic for an accurate estimate.

9. Is OBDII code U0107 a common issue in certain vehicle makes and models?

- This code can occur in various vehicle makes and models, particularly those equipped with electronic throttle control systems.

10. What happens if OBDII code U0107 is ignored?

- Ignoring this code can lead to persistent performance issues, potential safety hazards, and may result in further damage to the vehicle's throttle control system.

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