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 electric motor's wiring. It's like when a toy's battery wires are not connected properly, and it stops working.
The code indicates that the voltage in the circuit connecting the drive motor's phases U, V, and W is higher than expected.
The P0C07 code is triggered when the powertrain control module (PCM) detects an abnormally high voltage in the drive motor A phase U-V-W circuit. This could be due to a short circuit, a malfunctioning motor controller, or a fault in the motor winding.
• Reduced vehicle performance
• Warning light on the dashboard
• Unusual noises from the motor area
• Faulty drive motor
• Short circuit in the wiring
• Malfunctioning motor controller
PCM: Powertrain Control Module
OBD-II: On-Board Diagnostics II
• Inspect the wiring and connectors for damage.
• Check the motor controller for faults.
• Test the drive motor for proper operation.
• Repair or replace damaged wiring.
• Replace the motor controller if faulty.
• Replace the drive motor if necessary.
• Multimeter
• OBD-II scanner
• Basic hand tools
$500 - $1500
Difficult
• Toyota Prius
• Chevrolet Volt
• Nissan Leaf
• Regular maintenance checks
• Inspect wiring for wear and tear
• Ensure motor components are clean and dry
Electrical Circuit Issue
• Do not drive the vehicle until the issue is resolved.
• Consult a professional mechanic for diagnosis and repair.
Check with your vehicle's manufacturer warranty for coverage on electrical components.
This code has become more common with the increase in hybrid and electric vehicles, as they rely heavily on electric drive motors.
High – Driving with this issue can lead to further damage to the vehicle's electrical system.
Ignoring this code can lead to safety hazards and potential legal issues if the vehicle fails to operate correctly.
• Vehicle must be on and in a safe, stationary position.
• Ensure all electrical systems are active.
The drive motor and its associated wiring are typically located near the vehicle's transmission or axle area.
Q: Can I drive my car with a P0C07 code?
A: It's not recommended to drive the vehicle, as it could lead to further damage or unsafe driving conditions.
Q: How do I reset the P0C07 code?
A: After repairs, use an OBD-II scanner to clear the code, but ensure the issue is fixed first.
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