OBD Guide

P1FE7

Hybrid/EV Battery Interface Control Module 9 Voltage Sensor Circuit High Voltage

P1FE7 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Interface Control Module 9 Voltage Sensor Circuit High Voltage. Common causes: voltage sensor fault, damaged wiring or poor contact. 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
  • Reduced performance of the hybrid system
  • Battery charging problems
  • Reducing vehicle power
  • The car goes into emergency mode

Causes

  • Voltage sensor fault
  • Damaged wiring or poor contact
  • Problems in the battery management module
  • Short circuit in the circuit
  • Electrical system overload

How to Fix

  1. Check the condition of wiring and connections
  2. Test the voltage sensor
  3. Check the operation of the battery management module
  4. Replace faulty components
  5. Reset the error code and take a test drive

Related codes

FAQ

What does the P1FE7 code mean?

P1FE7 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Interface Control Module 9 Voltage Sensor Circuit High Voltage

What causes a P1FE7 error code?

The most common causes of P1FE7 include: Voltage sensor fault; Damaged wiring or poor contact; Problems in the battery management module; Short circuit in the circuit.

How do I fix a P1FE7 diagnostic trouble code?

To fix P1FE7: Check the condition of wiring and connections. Test the voltage sensor. Check the operation of the battery management module. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1FE7?

Do not drive — repair immediately

How much does it cost to fix P1FE7?

The estimated repair cost for P1FE7 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat