Buick - OBD Code Lookup

P1EF4 Buick

Battery Charger High Voltage Converter 2 Temperature Too High

Battery Charger Input Voltage Conditioner Temperature Too High

Battery Charger 14 V Output Voltage Sensing Circuit

Battery Charger 14 V Converter Output Power Regulation Performance

Battery Charger High-Voltage Converter 1 Output Power Regulation Performance

Battery Charger High-Voltage Converter 2 Output Power Regulation Performance

Battery Charger Control Module Reference Voltage 2 Circuit High Voltage

Battery Charger Control Module Reference Voltage 3 Circuit Low Voltage

Battery Charger Control Module Reference Voltage 3 Circuit High Voltage

Battery Charger AC Not Present