U0107 — Lost Communication With Throttle Actuator A Control Module

U0107: Lost Communication With Throttle Actuator A Control Module — what it means, the affected system and what to check before replacing parts.

Meaning, symptoms, causes and checks

Lost Communication With Throttle Actuator A Control Module. Basic catalogue definition; diagnostic details have not yet been reviewed.

Affected system: Network communication

Symptoms

  • The engine or throttle warning may appear, with limited or no response to the accelerator.
  • Some vehicles may enter a reduced-power mode.

Possible causes

  • Low battery voltage, blown module fuses, or interrupted power or ground to the throttle actuator controller.
  • Damaged or corroded network wiring and connectors; a failed throttle actuator control module is another possibility.

What to check

  • Check battery condition and the fuses supplying the relevant control modules.
  • Inspect the throttle-control module connectors and communication harness; scan to see whether the module responds.
  • Using the vehicle wiring diagram, check module power, ground and network wiring before considering replacement.

Also written as: U0107-00, U010700, UO107 (some scan tools add the fault-type byte, e.g. -00).