Drive Motor B Phase U Current

Check these first

• An open or short in the drive motor B phase U wiring
• A failing power inverter
• A drive motor B bearing that is worn
• Low battery voltage at the inverter

What to do next

1. Read drive motor B phase U current on a scan tool
2. Inspect the phase U wiring and connectors
3. Listen for bearing noise from drive motor B
4. Check battery voltage at the inverter
5. Replace the inverter if phase U output is wrong
6. Clear the code and retest

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