OBD Guide
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P1FE5

Hybrid/EV Battery Interface Control Module 7 Voltage Sensor Circuit High Voltage

P1FE5 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Interface Control Module 7 Voltage Sensor Circuit High Voltage. Common causes: voltage sensor fault, wiring harness damage. Estimated repair cost: $56–167.

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–167 (est.)

Symptoms

  • Check Engine light comes on
  • Hybrid/electric system power reduction
  • Incorrect battery level readings
  • Battery charging problems
  • The vehicle goes into emergency mode

Causes

  • Voltage sensor fault
  • Wiring harness damage
  • Short circuit in the circuit
  • Problems with the battery management module
  • Contact corrosion

How to Fix

  1. Check the integrity of the wiring harness
  2. Test the voltage sensor
  3. Check contacts for corrosion
  4. Diagnose the battery control module
  5. Replace faulty components

Related codes

P1FE4P1FE6P0A7F

FAQ

What does the P1FE5 code mean?

P1FE5 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Interface Control Module 7 Voltage Sensor Circuit High Voltage

What causes a P1FE5 error code?

The most common causes of P1FE5 include: Voltage sensor fault; Wiring harness damage; Short circuit in the circuit; Problems with the battery management module.

How do I fix a P1FE5 diagnostic trouble code?

To fix P1FE5: Check the integrity of the wiring harness. Test the voltage sensor. Check contacts for corrosion. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1FE5?

Do not drive — repair immediately

How much does it cost to fix P1FE5?

The estimated repair cost for P1FE5 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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