OBD Guide

P0EF8

Battery Charger A Input Voltage Sensor B Circuit Range/Performance

P0EF8 is an OBD-II diagnostic trouble code meaning: Battery Charger A Input Voltage Sensor B Circuit Range/Performance. Common causes: input voltage sensor fault, damage or corrosion of sensor contacts. Estimated repair cost: $28–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$28–89 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced battery charging efficiency
  • Reducing the power of the hybrid system
  • Errors in the operation of the regenerative braking system
  • Error message on display

Causes

  • Input voltage sensor fault
  • Damage or corrosion of sensor contacts
  • Open or short circuit in the sensor circuit
  • Wiring Harness Problems
  • Malfunction of the hybrid system control unit

How to Fix

  1. Check the integrity of the sensor circuit
  2. Inspect and clean sensor contacts
  3. Check sensor resistance
  4. Replace sensor if necessary
  5. Scan the system for other errors

Related codes

Error P0EF8 by Vehicle Brand

FAQ

What does the P0EF8 code mean?

P0EF8 is an OBD-II diagnostic trouble code that indicates: Battery Charger A Input Voltage Sensor B Circuit Range/Performance

What causes a P0EF8 error code?

The most common causes of P0EF8 include: Input voltage sensor fault; Damage or corrosion of sensor contacts; Open or short circuit in the sensor circuit; Wiring Harness Problems.

How do I fix a P0EF8 diagnostic trouble code?

To fix P0EF8: Check the integrity of the sensor circuit. Inspect and clean sensor contacts. Check sensor resistance. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0EF8?

Yes, but get it checked soon

How much does it cost to fix P0EF8?

The estimated repair cost for P0EF8 is $28–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat