OBD Guide

P1FC5

Hybrid/EV Battery Interface Control Module 7 5 V Reference Circuit

P1FC5 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Interface Control Module 7 5 V Reference Circuit. Common causes: open or short circuit in the reference voltage circuit, hybrid battery control module malfunction. Estimated repair cost: $56–278.

Severity
🔴 High
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–278 (est.)

Symptoms

  • Check Engine light comes on
  • Hybrid system power reduction
  • Battery charging problems
  • The vehicle goes into emergency mode
  • Errors in the operation of the hybrid system

Causes

  • Open or short circuit in the reference voltage circuit
  • Hybrid battery control module malfunction
  • Damaged or corroded connectors
  • Blown fuse
  • Wiring Harness Problems

How to Fix

  1. Check fuses associated with the hybrid system
  2. Inspect connectors and wiring for damage
  3. Check the voltage in the reference circuit
  4. Test the hybrid battery control module
  5. If necessary, replace the module or damaged components

Related codes

FAQ

What does the P1FC5 code mean?

P1FC5 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Interface Control Module 7 5 V Reference Circuit

What causes a P1FC5 error code?

The most common causes of P1FC5 include: Open or short circuit in the reference voltage circuit; Hybrid battery control module malfunction; Damaged or corroded connectors; Blown fuse.

How do I fix a P1FC5 diagnostic trouble code?

To fix P1FC5: Check fuses associated with the hybrid system. Inspect connectors and wiring for damage. Check the voltage in the reference circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1FC5?

Yes, but get it checked soon

How much does it cost to fix P1FC5?

The estimated repair cost for P1FC5 is $56–278. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat