Drive Motor B Phase U Current Low

Check these first

• An open or short in the drive motor B phase U wiring
• A failing drive motor B
• A power inverter that is not switching phase U
• Low battery voltage at the inverter

What to do next

1. Read drive motor B phase U current on a scan tool
2. Test the phase U circuit for high resistance
3. Measure phase U winding resistance on drive motor B
4. Check battery voltage and condition
5. Replace the inverter if phase U output stays low
6. Clear the code and retest

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