P0EFE
Battery Charger A Input Voltage Sensor C Circuit High
Generic OBD-II
Common symptoms
What you'll notice
- Check the battery connections and ensure they are clean and secure
- Inspect the battery for any signs of damage or corrosion
- Test the battery voltage and recharge or replace if necessary
Common causes
Most likely first
- Faulty or malfunctioning battery charger
- Loose or corroded battery cables or terminals
- Defective battery
- Insufficient power supply from the source
How to diagnose & fix
Work through it in order
- Loss of performance
- Malfunctioning electrical components
Read & clear P0EFE yourself
Scan your car, confirm the code, and clear it once it's fixed — with OBD DashX on your phone.