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 one of the fans that helps cool the battery in a hybrid or electric car isn't working properly. It's like when a fan in your room stops spinning and can't cool you down.
The vehicle's control system has detected that the second cooling fan for the hybrid or electric vehicle's battery pack is not performing as expected or is stuck in the off position.
The P0A97 code is triggered when the Powertrain Control Module (PCM) or Battery Energy Control Module (BECM) detects that the cooling fan 2 for the hybrid/EV battery pack is not operating within its expected parameters. This could mean the fan is not turning on at all or is not spinning at the required speed to effectively cool the battery pack.
• Check engine light is on
• Overheating of the battery pack
• Reduced vehicle performance
• Unusual noises from the cooling fan area
• Faulty cooling fan motor
• Blown fuse or faulty relay
• Wiring issues or poor electrical connections
• Faulty temperature sensor
• Control module failure
PCM: Powertrain Control Module
BECM: Battery Energy Control Module
OBD-II: On-Board Diagnostics, Second Generation
• Check for any blown fuses related to the cooling fan circuit.
• Inspect the cooling fan motor for proper operation.
• Examine wiring and connections for damage or corrosion.
• Test the temperature sensor for accuracy.
• Use a scan tool to check for any additional error codes.
• Replace the faulty cooling fan motor.
• Repair or replace damaged wiring or connectors.
• Replace blown fuses or faulty relays.
• Replace the temperature sensor if faulty.
• Reprogram or replace the control module if necessary.
• OBD-II scanner
• Multimeter
• Screwdriver set
• Socket set
• Fan removal tool
$150 - $600
Moderate
• Toyota Prius
• Chevrolet Volt
• Nissan Leaf
• Regular maintenance checks on cooling system components.
• Ensure proper ventilation around the battery pack.
• Avoid exposing the vehicle to extreme temperatures.
Cooling System Issue
• Have the vehicle inspected by a professional if the check engine light is on.
• Avoid driving the vehicle if you notice overheating symptoms.
• Regularly monitor the vehicle's cooling system performance.
Check with your vehicle manufacturer for warranty coverage on hybrid/EV components.
This code has become more common as hybrid and electric vehicles have increased in popularity, highlighting the importance of effective battery cooling systems.
Moderate – Addressing this issue promptly can prevent battery damage and maintain vehicle performance.
Ignoring this code can lead to battery overheating, which may pose safety risks. Always ensure repairs are conducted by qualified personnel.
• Vehicle at operating temperature
• Fan system engaged during diagnostic testing
The cooling fan is typically located near the battery pack, often in the rear or under the vehicle, depending on the model.
Q: Can I drive my car with a P0A97 code?
A: It's not recommended to drive with this code active, as it can lead to battery overheating and potential damage.
Q: How do I reset the P0A97 code?
A: After repairs, use an OBD-II scanner to clear the code. If the issue persists, further diagnosis is needed.
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