OBD-II code · Powertrain (generic)
P0EFE Battery Charger A Input Voltage Sensor C Circuit Low
The ECM detects a low fault on the battery charger a input voltage sensor c circuit. Reading cannot be used reliably for control.
Is it safe to drive with P0EFE?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelySignal wire shorted to ground
- PossibleInternal sensor short
- Less likelyConnector pins corroded - high contact resistance
Symptoms
- Charge status indicator shows fault
- Charging may not start or interrupts
- Slower-than-expected charge rate
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–5 h
- Emissions test
- Usually unaffected
- Parts involved
- Battery Charger A Input Voltage Sensor C, Wiring Harness, Bms
Related codes
- P0D3FBattery Charger A Input Voltage Sensor A Circuit Low
- P0EF9Battery Charger A Input Voltage Sensor B Circuit Low
- P0EFBBattery Charger A Input Voltage Sensor B Circuit Intermittent/Erratic
- P0EFCBattery Charger A Input Voltage Sensor C Circuit
- P0EFDBattery Charger A Input Voltage Sensor C Circuit Range/Performance
- P0FFFReserved Powertrain Fault
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.