U0107 critical

Lost Communication With Throttle Actuator Control Module

What does U0107 mean?

The U0107 code means the vehicle's onboard diagnostic system has detected: Lost Communication With Throttle Actuator Control Module. This is a critical severity code.

Common Symptoms

  • Check Engine Light illuminated
  • Reduced engine power mode
  • Throttle does not respond
  • Engine may idle only
  • Vehicle may not accelerate

Probable Causes (Ranked by Likelihood)

  • Failed throttle actuator control module Very High
  • CAN bus wiring fault to throttle module High
  • Electronic throttle body failure Moderate
  • Module power supply loss Low

Step-by-Step Diagnostic Procedure

  1. Check throttle module power and ground

  2. Inspect electronic throttle body connector

  3. Verify CAN bus wiring to the module

  4. Check throttle position sensor readings

  5. Replace throttle module or electronic throttle body if needed

Frequently Asked Questions

Can I drive with code U0107?

Do not drive. Lost communication codes indicate a module has stopped communicating on the vehicle network. The affected system is completely inoperative.

What causes U0107?

The most common cause is a failed module or a wiring issue in the CAN bus network. Failed throttle actuator control module is the most likely cause. Power supply, ground, and connector issues should be checked before replacing any module.

Is U0107 expensive to fix?

Repair costs range from $200 - $800 (parts and labor). Wiring repairs are on the lower end, while module replacement is on the higher end. The module may also need to be programmed after replacement.

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