Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means that the car's computer has detected a problem with the part that helps control how much air goes into the engine. It's like when a remote control car's motor isn't working right, so it can't move as it should.
The Engine Control Module (ECM) has detected a low voltage or current condition in the throttle actuator control motor circuit.
The throttle actuator control motor is responsible for opening and closing the throttle plate, which regulates the air intake into the engine. A 'Circuit Low' condition indicates that the ECM is receiving a lower than expected voltage or current from the throttle actuator motor circuit. This could be due to wiring issues, a faulty throttle actuator motor, or a problem with the ECM itself.
• Reduced engine performance
• Engine may not start
• Check Engine Light illuminated
• Faulty throttle actuator motor
• Wiring issues in the throttle actuator circuit
• Faulty Engine Control Module (ECM)
Throttle Actuator: A component that controls the opening and closing of the throttle plate.
ECM: Engine Control Module, the computer that controls engine functions.
• Use an OBD-II scanner to confirm the P2102 code.
• Inspect the wiring and connectors in the throttle actuator circuit for damage or corrosion.
• Test the throttle actuator motor for proper operation.
• Repair or replace damaged wiring or connectors.
• Replace the throttle actuator motor if it is faulty.
• If necessary, replace the Engine Control Module (ECM).
• OBD-II scanner
• Multimeter
• Basic hand tools
$150 - $600
Moderate
• Ford F-150
• Chevrolet Silverado
• Toyota Camry
• Regularly inspect and maintain wiring harnesses.
• Avoid exposure to excessive moisture or corrosive environments.
• Perform routine engine maintenance.
Engine Performance
• Do not ignore the Check Engine Light.
• Have the vehicle inspected by a professional if unsure.
• Avoid driving the vehicle if performance is severely affected.
Check with the vehicle manufacturer for warranty coverage on throttle actuator components.
This code has been associated with throttle actuator issues in various vehicle models, particularly those with electronic throttle control systems.
Moderate – While the vehicle may still be drivable, it could lead to further engine performance issues if not addressed.
Driving with a malfunctioning throttle actuator can lead to unexpected engine behavior, which may pose safety risks.
• Engine running
• Throttle actuator circuit under load
The throttle actuator is typically located on the throttle body, which is attached to the intake manifold of the engine.
Q: Can I drive my car with a P2102 code?
A: It's not recommended as it may affect engine performance and could lead to safety issues.
Q: How do I clear a P2102 code?
A: After repairs, use an OBD-II scanner to clear the code. If the issue is fixed, it should not return.
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