OBD Guide

P1BFC

Hybrid/Electric Vehicle Battery 94 Circuit Performance

P1BFC is an OBD-II diagnostic trouble code meaning: Hybrid/Electric Vehicle Battery 94 Circuit Performance. Common causes: damage to wiring in circuit 94, poor contact in battery connectors. Estimated repair cost: $56–278.

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–278 (est.)

Symptoms

  • Check Engine light comes on
  • Hybrid system power reduction
  • Increased fuel consumption
  • Switching to emergency mode
  • Error message on display

Causes

  • Damage to wiring in circuit 94
  • Poor contact in battery connectors
  • Battery module fault 94
  • Problems with the balancing board
  • Battery management system (BMS) malfunction

How to Fix

  1. Check continuity of circuit 94 wiring
  2. Inspect and clean the battery connector contacts
  3. Test battery module resistance 94
  4. Check the operation of the balancing board
  5. Diagnose the Battery Management System (BMS)

Related codes

FAQ

What does the P1BFC code mean?

P1BFC is an OBD-II diagnostic trouble code that indicates: Hybrid/Electric Vehicle Battery 94 Circuit Performance

What causes a P1BFC error code?

The most common causes of P1BFC include: Damage to wiring in circuit 94; Poor contact in battery connectors; Battery module fault 94; Problems with the balancing board.

How do I fix a P1BFC diagnostic trouble code?

To fix P1BFC: Check continuity of circuit 94 wiring. Inspect and clean the battery connector contacts. Test battery module resistance 94. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1BFC?

Limited driving only, diagnose soon

How much does it cost to fix P1BFC?

The estimated repair cost for P1BFC is $56–278. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat