Lost Communication With Throttle Actuator Control Module
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.
- Keep driving?
- No -- stop driving
- DIY difficulty
- hard
- Estimated cost
- $200 - $800 (parts and labor)
Network codes mean modules are not communicating. You need a scanner that reads all systems to find the problem.
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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
-
Check throttle module power and ground
-
Inspect electronic throttle body connector
-
Verify CAN bus wiring to the module
-
Check throttle position sensor readings
-
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.
Sources
This page is built from documented references. Verify against your own service info before repair work.
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