OBD Guide

P1B25

Hybrid/Electric Vehicle Battery 32 Circuit Performance

P1B25 is an OBD-II diagnostic trouble code meaning: Hybrid/Electric Vehicle Battery 32 Circuit Performance. Common causes: battery voltage sensor fault, wiring harness damage. Estimated repair cost: $56–222.

Severity
🔴 High
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–222 (est.)

Symptoms

  • Hybrid system power reduction
  • Increased fuel consumption
  • Check Engine Light Illuminates
  • Unstable operation of the hybrid system
  • Low battery power

Causes

  • Battery voltage sensor fault
  • Wiring harness damage
  • Problems with contacts in the circuit
  • Battery control unit malfunction
  • Battery wear

How to Fix

  1. Check the condition of the wiring harness and contacts
  2. Test battery voltage sensors
  3. Check the battery control unit
  4. Diagnose battery condition
  5. Replace faulty components

Related codes

FAQ

What does the P1B25 code mean?

P1B25 is an OBD-II diagnostic trouble code that indicates: Hybrid/Electric Vehicle Battery 32 Circuit Performance

What causes a P1B25 error code?

The most common causes of P1B25 include: Battery voltage sensor fault; Wiring harness damage; Problems with contacts in the circuit; Battery control unit malfunction.

How do I fix a P1B25 diagnostic trouble code?

To fix P1B25: Check the condition of the wiring harness and contacts. Test battery voltage sensors. Check the battery control unit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1B25?

Yes, but get it checked soon

How much does it cost to fix P1B25?

The estimated repair cost for P1B25 is $56–222. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat