OBD Guide

P1B62

Hybrid/Electric Vehicle Battery 42 Circuit High Voltage

P1B62 is an OBD-II diagnostic trouble code meaning: Hybrid/Electric Vehicle Battery 42 Circuit High Voltage. Common causes: high voltage battery fault, problems with balancing battery cells. Estimated repair cost: $167–2778.

Severity
🚨 Critical
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$167–2778 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced performance of the hybrid system
  • The car may go into emergency mode
  • Possible problems with charging the high-voltage battery
  • Increased fuel consumption (in hybrid models)

Causes

  • High voltage battery fault
  • Problems with balancing battery cells
  • Malfunction of voltage sensors
  • Damage to high voltage wiring harness
  • Problems with the hybrid control module (HCM)

How to Fix

  1. Diagnosis of a high voltage system using a scanner
  2. Checking the voltage on all battery cells
  3. Inspect the High Voltage Wire Harness and Connectors
  4. Voltage Sensor Testing
  5. Repair or replace the high-voltage battery if necessary
  6. Repair only from an authorized dealer

Related codes

FAQ

What does the P1B62 code mean?

P1B62 is an OBD-II diagnostic trouble code that indicates: Hybrid/Electric Vehicle Battery 42 Circuit High Voltage

What causes a P1B62 error code?

The most common causes of P1B62 include: High voltage battery fault; Problems with balancing battery cells; Malfunction of voltage sensors; Damage to high voltage wiring harness.

How do I fix a P1B62 diagnostic trouble code?

To fix P1B62: Diagnosis of a high voltage system using a scanner. Checking the voltage on all battery cells. Inspect the High Voltage Wire Harness and Connectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1B62?

Do not drive — repair immediately

How much does it cost to fix P1B62?

The estimated repair cost for P1B62 is $167–2778. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat