OBD Guide

P1B8D

Hybrid/Electric Vehicle Battery 57 Circuit Performance

P1B8D is an OBD-II diagnostic trouble code meaning: Hybrid/Electric Vehicle Battery 57 Circuit Performance. Common causes: damage to battery cell #57, problems with connectors or circuit wiring. Estimated repair cost: $167–556.

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$167–556 (est.)

Symptoms

  • Hybrid system power reduction
  • Reducing the range of an electric vehicle
  • Check Engine Light Illuminates
  • Reduced efficiency of regenerative braking
  • Error message on display

Causes

  • Damage to battery cell #57
  • Problems with connectors or circuit wiring
  • Battery monitoring system malfunction
  • Corrosion of contacts in the circuit
  • Software error in control module

How to Fix

  1. Carry out diagnostics of the condition of battery cell No. 57
  2. Check the integrity of wiring and connectors
  3. Test the battery monitoring system
  4. Clean contacts from corrosion if necessary
  5. Update control module software
  6. Repair only from an authorized dealer

Related codes

FAQ

What does the P1B8D code mean?

P1B8D is an OBD-II diagnostic trouble code that indicates: Hybrid/Electric Vehicle Battery 57 Circuit Performance

What causes a P1B8D error code?

The most common causes of P1B8D include: Damage to battery cell #57; Problems with connectors or circuit wiring; Battery monitoring system malfunction; Corrosion of contacts in the circuit.

How do I fix a P1B8D diagnostic trouble code?

To fix P1B8D: Carry out diagnostics of the condition of battery cell No. 57. Check the integrity of wiring and connectors. Test the battery monitoring system. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1B8D?

Limited driving only, diagnose soon

How much does it cost to fix P1B8D?

The estimated repair cost for P1B8D is $167–556. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat