P0C0B
Drive Motor A Inverter Power Supply Circuit/Open
P0C0B is an OBD-II diagnostic trouble code meaning: Drive Motor A Inverter Power Supply Circuit/Open. Common causes: open circuit in the inverter power supply, wiring harness damage. Estimated repair cost: $167–556.
Symptoms
- Motor power loss
- Check Engine light comes on
- The vehicle goes into emergency mode
- Unusual noises from the electric motor
- Reduced performance of the hybrid system
Causes
- Open circuit in the inverter power supply
- Wiring harness damage
- Motor inverter malfunction
- Problems with control electronics
- Corrosion or poor contact in connectors
How to Fix
- Check the integrity of the inverter power supply circuit
- Inspect and, if necessary, replace the wiring harness
- Check the condition of connectors and contacts
- Test the motor inverter
- Replace the inverter if necessary
Related codes
Error P0C0B by Vehicle Brand
FAQ
What does the P0C0B code mean?
P0C0B is an OBD-II diagnostic trouble code that indicates: Drive Motor A Inverter Power Supply Circuit/Open
What causes a P0C0B error code?
The most common causes of P0C0B include: Open circuit in the inverter power supply; Wiring harness damage; Motor inverter malfunction; Problems with control electronics.
How do I fix a P0C0B diagnostic trouble code?
To fix P0C0B: Check the integrity of the inverter power supply circuit. Inspect and, if necessary, replace the wiring harness. Check the condition of connectors and contacts. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0C0B?
Do not drive — repair immediately
How much does it cost to fix P0C0B?
The estimated repair cost for P0C0B is $167–556. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat