DTC codes / U01xx · Lost communication with a control module / U0107
U0107 means the engine control module (ECM) has lost communication with the throttle actuator control module over the controller area network (CAN) bus. The ECM monitors the CAN bus for periodic messages from the throttle actuator module, and when those messages stop arriving within the expected time window, it stores this code and typically illuminates the electronic throttle control warning light.
Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.
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