OBD Guide

P1FED

Hybrid/EV Battery Interface Control Module 5 Voltage Sensor Performance

P1FED is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Interface Control Module 5 Voltage Sensor Performance. Common causes: faulty voltage sensor, damage to wiring or connectors. Estimated repair cost: $56–167.

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

Symptoms

  • Reduced power and performance
  • The hybrid system goes into emergency mode
  • Check Engine light comes on
  • Battery charging problems
  • Unstable operation of the hybrid system

Causes

  • Faulty voltage sensor
  • Damage to wiring or connectors
  • Battery Interface Module Problems
  • Module software error
  • Short circuit in the sensor circuit

How to Fix

  1. Check the condition of the voltage sensor
  2. Inspect wiring and connectors for damage
  3. Test the battery interface module
  4. Update module software
  5. Replace faulty voltage sensor

Related codes

FAQ

What does the P1FED code mean?

P1FED is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Interface Control Module 5 Voltage Sensor Performance

What causes a P1FED error code?

The most common causes of P1FED include: Faulty voltage sensor; Damage to wiring or connectors; Battery Interface Module Problems; Module software error.

How do I fix a P1FED diagnostic trouble code?

To fix P1FED: Check the condition of the voltage sensor. Inspect wiring and connectors for damage. Test the battery interface module. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1FED?

Yes, but get it checked soon

How much does it cost to fix P1FED?

The estimated repair cost for P1FED is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat