P0C0A
Drive Motor B Phase U-V-W Circuit High
P0C0A is an OBD-II diagnostic trouble code meaning: Drive Motor B Phase U-V-W Circuit High. Common causes: damage to the engine phase wiring harness, oxidation or corrosion of contacts. Estimated repair cost: $56–278.
Symptoms
- Reduced motor power
- Increased fuel consumption in hybrid models
- Check Engine Light Illuminated
- Possible vibrations during operation of the electric motor
- Limitation of hybrid system operation
Causes
- Damage to the engine phase wiring harness
- Oxidation or corrosion of contacts
- Inverter fault
- Problems with motor windings
- Malfunction of rotor position sensors
How to Fix
- Check the integrity of the engine phase wiring harness
- Check and clean all contacts in the circuit
- Test the resistance of the motor windings
- Check the operation of the inverter
- Replace damaged components if necessary
Related codes
Error P0C0A by Vehicle Brand
FAQ
What does the P0C0A code mean?
P0C0A is an OBD-II diagnostic trouble code that indicates: Drive Motor B Phase U-V-W Circuit High
What causes a P0C0A error code?
The most common causes of P0C0A include: Damage to the engine phase wiring harness; Oxidation or corrosion of contacts; Inverter fault; Problems with motor windings.
How do I fix a P0C0A diagnostic trouble code?
To fix P0C0A: Check the integrity of the engine phase wiring harness. Check and clean all contacts in the circuit. Test the resistance of the motor windings. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0C0A?
Limited driving only, diagnose soon
How much does it cost to fix P0C0A?
The estimated repair cost for P0C0A is $56–278. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat