OBD Guide

P0EFC

Battery Charger A Input Voltage Sensor C Circuit Range/Performance

P0EFC is an OBD-II diagnostic trouble code meaning: Battery Charger A Input Voltage Sensor C Circuit Range/Performance. Common causes: input voltage sensor fault, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Unstable battery charging
  • Check Engine Light Illuminates
  • Reduced performance of the hybrid system
  • Problems starting the engine

Causes

  • Input voltage sensor fault
  • Open or short circuit in the sensor circuit
  • Poor contact in connectors
  • Charger problems
  • Control unit malfunction

How to Fix

  1. Check the integrity of wiring and connectors
  2. Check the functionality of the input voltage sensor
  3. Check the voltage on the charger
  4. Scan the control unit for other errors
  5. Replace sensor if necessary

Related codes

Error P0EFC by Vehicle Brand

FAQ

What does the P0EFC code mean?

P0EFC is an OBD-II diagnostic trouble code that indicates: Battery Charger A Input Voltage Sensor C Circuit Range/Performance

What causes a P0EFC error code?

The most common causes of P0EFC include: Input voltage sensor fault; Open or short circuit in the sensor circuit; Poor contact in connectors; Charger problems.

How do I fix a P0EFC diagnostic trouble code?

To fix P0EFC: Check the integrity of wiring and connectors. Check the functionality of the input voltage sensor. Check the voltage on the charger. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0EFC?

Yes, but get it checked soon

How much does it cost to fix P0EFC?

The estimated repair cost for P0EFC is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat