P0EFA
Battery Charger A Input Voltage Sensor B Circuit High
P0EFA is an OBD-II diagnostic trouble code meaning: Battery Charger A Input Voltage Sensor B Circuit High. Common causes: input voltage sensor fault, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.
Symptoms
- Check Engine Light Is On
- Battery charging problems
- Unstable operation of electrical systems
- Reduced vehicle performance
Causes
- Input voltage sensor fault
- Open or short circuit in the sensor circuit
- Battery charger problems
- Control module malfunction
- Corrosion or poor contact in connectors
How to Fix
- Check the voltage at the input voltage sensor
- Inspect the sensor circuit for damage
- Check connectors and connections for corrosion
- Replace input voltage sensor if necessary
- Check and, if necessary, replace the battery charger
Related codes
Error P0EFA by Vehicle Brand
FAQ
What does the P0EFA code mean?
P0EFA is an OBD-II diagnostic trouble code that indicates: Battery Charger A Input Voltage Sensor B Circuit High
What causes a P0EFA error code?
The most common causes of P0EFA include: Input voltage sensor fault; Open or short circuit in the sensor circuit; Battery charger problems; Control module malfunction.
How do I fix a P0EFA diagnostic trouble code?
To fix P0EFA: Check the voltage at the input voltage sensor. Inspect the sensor circuit for damage. Check connectors and connections for corrosion. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0EFA?
Yes, but get it checked soon
How much does it cost to fix P0EFA?
The estimated repair cost for P0EFA is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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