OBD Guide

P1FE1

Hybrid/EV Battery Interface Control Module 3 Voltage Sensor Circuit High Voltage

P1FE1 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Interface Control Module 3 Voltage Sensor Circuit High Voltage. Common causes: battery control module voltage sensor malfunction, damage to wiring or connectors. Estimated repair cost: $56–278.

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–278 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced performance of the hybrid system
  • Battery charging problems
  • Reducing the range of an electric vehicle
  • Activation of emergency operation

Causes

  • Battery control module voltage sensor malfunction
  • Damage to wiring or connectors
  • Short circuit in the circuit
  • Battery management module malfunction
  • Problems with high voltage battery

How to Fix

  1. Check the integrity of the wiring and connectors
  2. Test the voltage sensor
  3. Check the functionality of the battery management module
  4. Diagnose the condition of a high-voltage battery
  5. Replace faulty components

Related codes

FAQ

What does the P1FE1 code mean?

P1FE1 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Interface Control Module 3 Voltage Sensor Circuit High Voltage

What causes a P1FE1 error code?

The most common causes of P1FE1 include: Battery control module voltage sensor malfunction; Damage to wiring or connectors; Short circuit in the circuit; Battery management module malfunction.

How do I fix a P1FE1 diagnostic trouble code?

To fix P1FE1: Check the integrity of the wiring and connectors. Test the voltage sensor. Check the functionality of the battery management module. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1FE1?

Do not drive — repair immediately

How much does it cost to fix P1FE1?

The estimated repair cost for P1FE1 is $56–278. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat