OBD Guide

P1FE4

Hybrid/EV Battery Interface Control Module 6 Voltage Sensor Circuit High Voltage

P1FE4 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Interface Control Module 6 Voltage Sensor Circuit High Voltage. Common causes: voltage sensor fault, wiring problems (short circuit, open circuit). Estimated repair cost: $56–167.

Severity
🔴 High
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Hybrid system power reduction
  • Switching to emergency mode
  • Incorrect battery level readings
  • Check Engine Light Illuminates
  • Battery charging problems

Causes

  • Voltage sensor fault
  • Wiring problems (short circuit, open circuit)
  • Hybrid battery control module malfunction
  • Problems with contacts in connectors
  • Damage to wire insulation

How to Fix

  1. Check the integrity of wiring and connectors
  2. Check the voltage at the sensor
  3. Test the voltage sensor
  4. Check the operation of the hybrid battery control module
  5. Repair only from an authorized dealer
  6. Replace voltage sensor if necessary

Related codes

FAQ

What does the P1FE4 code mean?

P1FE4 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Interface Control Module 6 Voltage Sensor Circuit High Voltage

What causes a P1FE4 error code?

The most common causes of P1FE4 include: Voltage sensor fault; Wiring problems (short circuit, open circuit); Hybrid battery control module malfunction; Problems with contacts in connectors.

How do I fix a P1FE4 diagnostic trouble code?

To fix P1FE4: Check the integrity of wiring and connectors. Check the voltage at the sensor. Test the voltage sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1FE4?

Yes, but get it checked soon

How much does it cost to fix P1FE4?

The estimated repair cost for P1FE4 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat