OBD Guide
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P1BA2

Hybrid/Electric Vehicle Battery 64 Circuit Performance

P1BA2 is an OBD-II diagnostic trouble code meaning: Hybrid/Electric Vehicle Battery 64 Circuit Performance. Common causes: wear of high-voltage battery elements, corroded contacts or damaged wiring harness. Estimated repair cost: $167–889.

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$167–889 (est.)

Symptoms

  • Reduced vehicle power
  • Extended charging time
  • Check Engine Light Illuminated
  • The car goes into emergency mode
  • Reduced electric range

Causes

  • Wear of high-voltage battery elements
  • Corroded contacts or damaged wiring harness
  • Battery cooling system malfunction
  • Problems with balancing battery cells
  • Battery control unit malfunction

How to Fix

  1. Diagnosis of high-voltage battery condition
  2. Checking the integrity of the circuit and contacts
  3. Testing the battery cooling system
  4. Balancing or replacing faulty cells
  5. Updating the battery management unit software

Related codes

P1BA0P1BA1P1BA3

FAQ

What does the P1BA2 code mean?

P1BA2 is an OBD-II diagnostic trouble code that indicates: Hybrid/Electric Vehicle Battery 64 Circuit Performance

What causes a P1BA2 error code?

The most common causes of P1BA2 include: Wear of high-voltage battery elements; Corroded contacts or damaged wiring harness; Battery cooling system malfunction; Problems with balancing battery cells.

How do I fix a P1BA2 diagnostic trouble code?

To fix P1BA2: Diagnosis of high-voltage battery condition. Checking the integrity of the circuit and contacts. Testing the battery cooling system. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1BA2?

Limited driving only, diagnose soon

How much does it cost to fix P1BA2?

The estimated repair cost for P1BA2 is $167–889. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat