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 is having trouble reading the temperature sensor for the electric motor's inverter. It's like when your thermometer at home gives you different readings each time you use it.
The car's computer monitors the temperature of the drive motor inverter to ensure it operates within safe limits. If the sensor reading is inconsistent, it triggers this code.
The P0AF1 code indicates an intermittent or erratic signal from the temperature sensor associated with the drive motor inverter. This could be due to wiring issues, sensor failure, or other electrical problems affecting the sensor's ability to provide a stable signal.
• Check engine light on
• Reduced performance of the electric motor
• Possible overheating of the inverter
• Faulty temperature sensor
• Wiring issues or poor connections
• Malfunctioning inverter control module
Inverter: A device that converts direct current (DC) to alternating current (AC).
Sensor: A device that detects or measures a physical property and records, indicates, or otherwise responds to it.
• Check for any loose or damaged wiring to the sensor.
• Test the temperature sensor for proper operation.
• Inspect the inverter control module for faults.
• Repair or replace damaged wiring.
• Replace faulty temperature sensor.
• Repair or replace the inverter control module if necessary.
• OBD-II scanner
• Multimeter
• Basic hand tools
$150 - $500
Moderate
• Toyota Prius
• Chevrolet Volt
• Nissan Leaf
• Regularly inspect wiring for damage.
• Ensure connectors are secure and free of corrosion.
• Perform routine maintenance checks on the inverter system.
Sensor Issue
• Avoid driving aggressively until the issue is resolved.
• Monitor the vehicle for any signs of overheating.
• Consult with a professional mechanic for an accurate diagnosis.
Check with your vehicle manufacturer for warranty coverage on hybrid components.
This code has become more common with the increased use of hybrid and electric vehicles, where inverter systems are critical.
Moderate – While the vehicle may still be drivable, ignoring this issue could lead to inverter damage.
It's important to address this issue promptly to avoid potential safety hazards associated with inverter overheating.
• Vehicle should be at operating temperature.
• Ensure the vehicle is in a safe, stationary position.
The drive motor inverter temperature sensor is typically located near the inverter assembly, often in the engine compartment.
Q: Can I drive with a P0AF1 code?
A: It's possible to drive short distances, but it's best to get it checked to avoid potential damage.
Q: How can I prevent this code from appearing?
A: Regular maintenance and inspections can help prevent wiring and sensor issues.
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