P0C04
Drive Motor B Current High
P0C04 is an OBD-II diagnostic trouble code meaning: Drive Motor B Current High. Common causes: drive motor fault b, problems with high voltage battery. Estimated repair cost: $167–889.
Symptoms
- Hybrid system power reduction
- Overheating of electrical components
- Check Engine Light Illuminated
- Unstable operation of the hybrid system
- The car may go into emergency mode
Causes
- Drive motor fault B
- Problems with high voltage battery
- Inverter or converter malfunction
- Damage to wiring or connectors
- Mechanical overload of the system
How to Fix
- Check condition of drive motor B
- Diagnose high voltage battery and charging system
- Check the inverter and voltage converter
- Inspect the wiring harness and connectors for damage.
- Carry out a test drive to check the operation of the system
- Repair only from an authorized dealer
Related codes
Error P0C04 by Vehicle Brand
FAQ
What does the P0C04 code mean?
P0C04 is an OBD-II diagnostic trouble code that indicates: Drive Motor B Current High
What causes a P0C04 error code?
The most common causes of P0C04 include: Drive motor fault B; Problems with high voltage battery; Inverter or converter malfunction; Damage to wiring or connectors.
How do I fix a P0C04 diagnostic trouble code?
To fix P0C04: Check condition of drive motor B. Diagnose high voltage battery and charging system. Check the inverter and voltage converter. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0C04?
Do not drive — repair immediately
How much does it cost to fix P0C04?
The estimated repair cost for P0C04 is $167–889. Actual cost depends on your vehicle, location, and labor rates.
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