What does code P2102 mean?

Q: What does code P2102 mean?

Throttle Actuator Control Motor Circuit Low. P2102 means the engine computer has detected an abnormally low voltage or current on the control circuit for the electronic throttle actuator motor, which is the motor that opens and closes the throttle plate based on driver demand. The computer expects to see a specific electrical load when it commands the motor to move, and a reading below the expected threshold triggers this code.

DTC codes / P21xx · Fuel and air metering / P2102

P2102Throttle Actuator Control Motor Circuit Low

P2102 means the engine computer has detected an abnormally low voltage or current on the control circuit for the electronic throttle actuator motor, which is the motor that opens and closes the throttle plate based on driver demand. The computer expects to see a specific electrical load when it commands the motor to move, and a reading below the expected threshold triggers this code.

SystemPowertrain

Code typeGeneric (all makes)

SeverityHigh

Fix difficultyProfessional

AreaFuel and air metering

Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.