P0C04
Drive Motor B Current High
What it means
P0C04 means Drive Motor B Current High.
Check these first
- A drive motor B current reading above its normal range
- Worn or damaged drive motor B bearings
- A short in the drive motor B windings
- High resistance in the motor B circuit
What to do next
- Read drive motor B current on a scan tool
- Check the motor B bearings for wear
- Test the motor B windings for a short
- Measure the motor B circuit resistance against spec
- Replace the motor B control module if the circuit tests good
- Clear the code and retest
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Updated
Generic SAE J2012 definition. Last updated 2026-10-10.