P1EF0 CHEVROLET - Battery Charger High-Voltage Converter 1 Output Power Regulation Performance
- Faulty Battery Charger
- Battery Charger harness is open or shorted
- Battery Charger circuit poor electrical connection
- Engine Light ON (or Service Engine Soon Warning Light)
P1ef0 Chevrolet DescriptionThe hybrid/EV powertrain control module 2 and battery charger control module monitor the battery charger high-voltage output and current output and ensures it is in the proper range and there is not a resistive short in the charging bus.
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