OBD Guide

P1FE3

Hybrid/EV Battery Interface Control Module 5 Voltage Sensor Circuit High Voltage

P1FE3 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Interface Control Module 5 Voltage Sensor Circuit High Voltage. Common causes: module 5 voltage sensor malfunction, damage or corrosion of the wiring in the sensor circuit. Estimated repair cost: $167–556.

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$167–556 (est.)

Symptoms

  • Check Engine Light Is On
  • Reduced power or hybrid system failure
  • Errors in the battery charging system
  • Unusual voltage readings on the dashboard
  • The vehicle goes into emergency mode

Causes

  • Module 5 voltage sensor malfunction
  • Damage or corrosion of the wiring in the sensor circuit
  • Problems with the Battery Interface Control Module
  • Short circuit in high voltage circuit
  • Malfunction of the hybrid battery itself

How to Fix

  1. Check the voltage at the module 5 sensor
  2. Inspect the condition of the wiring and connectors
  3. Check sensor resistance
  4. Test Battery Interface Control Module
  5. Replace the faulty sensor or module if necessary
  6. Repair only from an authorized dealer

Related codes

FAQ

What does the P1FE3 code mean?

P1FE3 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Interface Control Module 5 Voltage Sensor Circuit High Voltage

What causes a P1FE3 error code?

The most common causes of P1FE3 include: Module 5 voltage sensor malfunction; Damage or corrosion of the wiring in the sensor circuit; Problems with the Battery Interface Control Module; Short circuit in high voltage circuit.

How do I fix a P1FE3 diagnostic trouble code?

To fix P1FE3: Check the voltage at the module 5 sensor. Inspect the condition of the wiring and connectors. Check sensor resistance. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1FE3?

Do not drive — repair immediately

How much does it cost to fix P1FE3?

The estimated repair cost for P1FE3 is $167–556. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat