OBD Guide
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P1FE0

Hybrid/EV Battery Interface Control Module 2 Voltage Sensor Circuit High Voltage

P1FE0 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Interface Control Module 2 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
  • Reduced performance of the hybrid system
  • Battery charging problems
  • The vehicle goes into emergency mode

Causes

  • Voltage sensor fault
  • Wiring harness damage
  • Short circuit in the circuit
  • Battery management module malfunction
  • Grounding problems

How to Fix

  1. Check the integrity of the wiring harness
  2. Check the voltage at the sensor
  3. Check circuit grounding
  4. Replace voltage sensor if necessary
  5. Repair only from an authorized dealer

Related codes

P1FE1P1FE2P0A80

FAQ

What does the P1FE0 code mean?

P1FE0 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Interface Control Module 2 Voltage Sensor Circuit High Voltage

What causes a P1FE0 error code?

The most common causes of P1FE0 include: Voltage sensor fault; Wiring harness damage; Short circuit in the circuit; Battery management module malfunction.

How do I fix a P1FE0 diagnostic trouble code?

To fix P1FE0: Check the integrity of the wiring harness. Check the voltage at the sensor. Check circuit grounding. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1FE0?

Do not drive — repair immediately

How much does it cost to fix P1FE0?

The estimated repair cost for P1FE0 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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