P1ABC GMC - 14 Volt Power Module Hybrid/EV Battery System Voltage Low Voltage
- Faulty 14 V Power Module
- 14 V Power Module harness is open or shorted
- 14 V Power Module circuit poor electrical connection
- Engine Light ON (or Service Engine Soon Warning Light)
P1abc Gmc DescriptionThe 14 V Power Module, often referred to as the Accessory DC Power Control Module, constantly monitors system input and output voltage. This sensor is internal to the 14 V power module and is not serviced separately from the control module.
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