Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
The car's computer is saying that there's a problem with the part that helps keep the engine from shaking too much. It's not getting enough power to work right.
The engine mount control circuit is responsible for controlling the electronic mounts that reduce engine vibrations. A 'low' signal indicates insufficient voltage or current in the circuit.
The P0A15 code indicates that the Engine Control Module (ECM) has detected a low voltage condition in the control circuit of the engine mount actuator. This actuator adjusts the stiffness of the engine mounts to reduce vibrations and improve ride quality.
• Increased engine vibrations
• Unusual noises from the engine compartment
• Check Engine Light illuminated
• Faulty engine mount actuator
• Damaged wiring or connectors in the control circuit
• Malfunctioning ECM
ECM: Engine Control Module, the computer that controls engine functions.
Actuator: A device that causes a mechanical system to move or operate.
• Inspect the engine mount actuator for damage.
• Check wiring and connectors for corrosion or damage.
• Test the voltage and continuity of the control circuit.
• Replace the faulty engine mount actuator.
• Repair or replace damaged wiring or connectors.
• Reprogram or replace the ECM if necessary.
• Multimeter
• OBD-II scanner
• Basic hand tools
$150 - $500
Moderate
• Toyota Prius
• Honda Insight
• Chevrolet Volt
• Regularly inspect engine mounts for wear.
• Ensure electrical connections are clean and secure.
• Perform routine vehicle maintenance.
Sensor Issue
• Avoid harsh driving conditions until repaired.
• Consult a professional mechanic for diagnosis.
• Do not ignore the Check Engine Light.
Check with your vehicle manufacturer for specific warranty coverage on engine mounts and related components.
This code is typically associated with hybrid vehicles that utilize electronic engine mounts for improved efficiency and comfort.
Moderate – Addressing this issue promptly can prevent further damage and improve vehicle comfort.
Driving with a malfunctioning engine mount can lead to increased vibrations and potential damage to other components.
• Vehicle at operating temperature
• Engine running at idle
The engine mount actuator is located near the engine, typically attached to the engine block or frame.
Q: Can I drive with a P0A15 code?
A: It's possible to drive, but it's not recommended as it can cause discomfort and potentially damage other components.
Q: How do I reset the Check Engine Light after repair?
A: Use an OBD-II scanner to clear the code after the repair is completed.
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