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 a part of the car's electric motor system is getting too hot. It's like when you play a video game for too long and the console gets really warm.
The code indicates that the temperature of the Phase U part of the Drive Motor B inverter is higher than normal, which could lead to damage if not addressed.
The P0C14 code is triggered when the inverter responsible for controlling the electric motor's power experiences an over-temperature condition in the Phase U section. This can occur due to excessive current, poor cooling, or a malfunctioning temperature sensor.
• Reduced vehicle performance
• Warning light on the dashboard
• Possible overheating smell
• Excessive current draw
• Cooling system failure
• Faulty temperature sensor
Inverter: A device that converts DC electricity to AC electricity.
Phase U: A specific phase within the electric motor's inverter system.
• Check for any error codes related to the cooling system.
• Inspect the inverter's cooling system for blockages or leaks.
• Test the temperature sensor for proper operation.
• Replace or repair the cooling system components.
• Replace the faulty temperature sensor.
• Ensure proper electrical connections to the inverter.
• OBD-II scanner
• Multimeter
• Cooling system pressure tester
$200 - $800
Moderate
• Toyota Prius
• Chevrolet Volt
• Nissan Leaf
• Regularly check and maintain the cooling system.
• Avoid excessive load on the electric motor.
• Ensure the inverter is free from dust and debris.
Electrical System Issue
• Avoid driving the vehicle until the issue is resolved.
• Consult with a professional mechanic for accurate diagnosis.
Check with the vehicle manufacturer for warranty coverage on hybrid or electric components.
This code has become more common with the increased use of hybrid and electric vehicles, as these systems are more sensitive to temperature variations.
High – If not addressed, it can lead to significant damage to the electric motor system.
Driving with this code active may lead to vehicle performance issues and potential safety hazards.
• Vehicle should be at operating temperature.
• Ensure no other error codes are present that could affect diagnosis.
The inverter is typically located near the electric motor, often in the engine compartment or under the vehicle.
Q: Can I drive with a P0C14 code?
A: It's not recommended to drive with this code active as it can lead to further damage.
Q: How can I prevent this issue?
A: Regular maintenance of the cooling system and avoiding excessive loads on the motor can help prevent this issue.
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