OBD Guide
ENFRDEESPT

P1BF0

Hybrid/Electric Vehicle Battery 90 Circuit Performance

P1BF0 is an OBD-II diagnostic trouble code meaning: Hybrid/Electric Vehicle Battery 90 Circuit Performance. Common causes: problems with balancing battery cells, high voltage battery wear. Estimated repair cost: $167–889.

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$167–889 (est.)

Symptoms

  • Check Engine light comes on
  • Hybrid system power reduction
  • The car goes into emergency mode
  • Reducing electric range
  • Increased fuel consumption

Causes

  • Problems with balancing battery cells
  • High voltage battery wear
  • Battery management system (BMS) malfunction
  • Damage to high voltage cables or connectors
  • Problems with contacts in the battery circuit

How to Fix

  1. Diagnosis of high-voltage battery condition
  2. Checking the Battery Management System (BMS)
  3. Inspection of high voltage connections and cables
  4. Balancing or replacing battery cells
  5. Repair only from an authorized dealer

Related codes

P1BEFP1BF1P0AA6

FAQ

What does the P1BF0 code mean?

P1BF0 is an OBD-II diagnostic trouble code that indicates: Hybrid/Electric Vehicle Battery 90 Circuit Performance

What causes a P1BF0 error code?

The most common causes of P1BF0 include: Problems with balancing battery cells; High voltage battery wear; Battery management system (BMS) malfunction; Damage to high voltage cables or connectors.

How do I fix a P1BF0 diagnostic trouble code?

To fix P1BF0: Diagnosis of high-voltage battery condition. Checking the Battery Management System (BMS). Inspection of high voltage connections and cables. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1BF0?

Limited driving only, diagnose soon

How much does it cost to fix P1BF0?

The estimated repair cost for P1BF0 is $167–889. Actual cost depends on your vehicle, location, and labor rates.

FRDEESPT

See also: Russian version · NationStat