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 temperature sensor that checks how hot the electric motor is getting. It's like a thermometer for the motor, and if it doesn't work right, the car might not know if the motor is too hot.
The P0A2A code indicates an issue with the circuit of the temperature sensor for Drive Motor A, which is responsible for monitoring the temperature of the electric motor.
The Drive Motor A Temperature Sensor A is part of the hybrid or electric vehicle's powertrain system. It measures the temperature of the drive motor to ensure it operates within safe limits. If the sensor or its circuit fails, the vehicle's control module may not be able to monitor the motor's temperature accurately, potentially leading to overheating and damage.
• Check engine light is on
• Reduced vehicle performance
• Overheating of the drive motor
• Faulty temperature sensor
• Damaged wiring or connectors
• Faulty control module
OBD-II: On-Board Diagnostics, a standardized system for self-diagnosing and reporting vehicle issues.
Drive Motor: The electric motor that powers a hybrid or electric vehicle.
• Use an OBD-II scanner to confirm the code.
• Inspect the wiring and connectors for damage.
• Test the temperature sensor for proper operation.
• Replace the faulty temperature sensor.
• Repair or replace damaged wiring or connectors.
• Replace the control module if necessary.
• OBD-II scanner
• Multimeter
• Wrench set
$150 - $400
Moderate
• Toyota Prius
• Chevrolet Volt
• Nissan Leaf
• Regular maintenance checks
• Ensure proper cooling system operation
• Inspect wiring for wear and tear
Sensor Issue
• Avoid driving aggressively until fixed.
• Monitor for any unusual noises or performance issues.
Check with the vehicle manufacturer for warranty coverage on hybrid system components.
This code has been more common in older hybrid vehicles as sensors and wiring degrade over time.
Moderate – Address the issue soon to prevent potential motor damage.
Ignoring this issue may lead to motor damage, which could be costly and affect vehicle safety.
• Vehicle should be in a safe, stationary position.
• Ensure the vehicle is cool before testing.
The temperature sensor is typically located near or on the drive motor assembly.
Q: Can I drive with a P0A2A code?
A: It's not recommended to drive for long periods with this code as it may lead to motor overheating.
Q: How can I reset the P0A2A code?
A: You can clear the code with an OBD-II scanner, but ensure the issue is fixed first to prevent recurrence.
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