OBD Codes List

Diagnostic reference · U0107

U0107

Lost Communication With Throttle Actuator A Control Module

System
Network communication (U code)
Lamp
Check Engine Light
Category
Network Communications

What it means

U0107 means Lost Communication With Throttle Actuator A Control Module.

Where it lives

For U0107, start at the module the description names.

Check these first

  • Damage to the harness between throttle actuator A's module and the engine control module
  • Water or corrosion at throttle actuator A's module
  • A failed throttle actuator A control module
  • A communication fault inside the control module

What to do next

  1. Inspect the throttle actuator A module connector and harness
  2. Check for water intrusion at the module
  3. Check the module power and ground
  4. Verify the module responds on a scan tool
  5. Replace throttle actuator A's control module if it stays offline
  6. Clear the code and retest

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Updated

Generic SAE J2012 definition. Last updated 2026-10-10.