P1F63 GMC - Hybrid/EV System Voltage Discharge Circuit Performance
- Faulty Power Inverter Module
- Power Inverter Module harness is open or shorted
- Power Inverter Module circuit poor electrical connection
- Engine Light ON (or Service Engine Soon Warning Light)
P1f63 Gmc DescriptionThis is an internal fault detection of the power inverter module, often referred to as the drive motor generator power inverter module. This fault is handled inside the power inverter module, and no external circuits are involved.
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