OBD Guide
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P1B59

Hybrid/Electric Vehicle Battery 39 Circuit High Voltage

P1B59 is an OBD-II diagnostic trouble code meaning: Hybrid/Electric Vehicle Battery 39 Circuit High Voltage. Common causes: battery management module (bms) malfunction, charger problems. Estimated repair cost: $167–2222.

Severity
🚨 Critical
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$167–2222 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced vehicle power
  • The car goes into emergency mode
  • Errors in the hybrid transmission system
  • Reduced performance of the hybrid system

Causes

  • Battery Management Module (BMS) malfunction
  • Charger problems
  • High voltage battery defect
  • Damage to high voltage cables
  • Problems with the battery cooling system

How to Fix

  1. High Voltage System Diagnostics
  2. Checking the condition of the high-voltage battery
  3. Testing the Battery Management Unit (BMS)
  4. Checking the integrity of high-voltage cables
  5. Repair or replacement of high-voltage battery

Related codes

P1B58P1B60P0A7F

FAQ

What does the P1B59 code mean?

P1B59 is an OBD-II diagnostic trouble code that indicates: Hybrid/Electric Vehicle Battery 39 Circuit High Voltage

What causes a P1B59 error code?

The most common causes of P1B59 include: Battery Management Module (BMS) malfunction; Charger problems; High voltage battery defect; Damage to high voltage cables.

How do I fix a P1B59 diagnostic trouble code?

To fix P1B59: High Voltage System Diagnostics. Checking the condition of the high-voltage battery. Testing the Battery Management Unit (BMS). For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1B59?

Do not drive — repair immediately

How much does it cost to fix P1B59?

The estimated repair cost for P1B59 is $167–2222. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat