OBD Guide
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P1B80

Hybrid/Electric Vehicle Battery 52 Circuit High Voltage

P1B80 is an OBD-II diagnostic trouble code meaning: Hybrid/Electric Vehicle Battery 52 Circuit High Voltage. Common causes: high voltage battery fault, problems with the charging system. Estimated repair cost: $167–889.

Severity
🚨 Critical
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$167–889 (est.)

Symptoms

  • Check Engine light comes on
  • Hybrid system power reduction
  • The car goes into emergency mode
  • Malfunction warning on the dashboard
  • Disabling the hybrid system

Causes

  • High voltage battery fault
  • Problems with the charging system
  • Battery management module malfunction
  • Damage to high voltage cables
  • Software control error

How to Fix

  1. Check the condition of the high-voltage battery
  2. Diagnose the charging system
  3. Check the integrity of high-voltage cables
  4. Scan the battery management module for errors
  5. Update system software
  6. Repair only from an authorized dealer

Related codes

P1B81P0AA6P0AC0

FAQ

What does the P1B80 code mean?

P1B80 is an OBD-II diagnostic trouble code that indicates: Hybrid/Electric Vehicle Battery 52 Circuit High Voltage

What causes a P1B80 error code?

The most common causes of P1B80 include: High voltage battery fault; Problems with the charging system; Battery management module malfunction; Damage to high voltage cables.

How do I fix a P1B80 diagnostic trouble code?

To fix P1B80: Check the condition of the high-voltage battery. Diagnose the charging system. Check the integrity of high-voltage cables. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1B80?

Do not drive — repair immediately

How much does it cost to fix P1B80?

The estimated repair cost for P1B80 is $167–889. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat