OBD Guide
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P1A36

Hybrid Battery 3 Voltage High

P1A36 is an OBD-II diagnostic trouble code meaning: Hybrid Battery 3 Voltage High. Common causes: third battery module failure, problems with cell balancing. 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
  • Increased fuel consumption
  • Dashboard warning light
  • Limitation of operation in electric mode
  • Unusual noises from the battery compartment

Causes

  • Third battery module failure
  • Problems with cell balancing
  • Charge control system malfunction
  • Damage to high voltage wires
  • Malfunctions in the hybrid system control unit

How to Fix

  1. High voltage system diagnostics
  2. Checking the voltage of all battery modules
  3. Testing the cell balancing system
  4. Checking the integrity of high voltage connections
  5. Replacing a faulty battery module if necessary

Related codes

P1A37P0A7FP0A80

FAQ

What does the P1A36 code mean?

P1A36 is an OBD-II diagnostic trouble code that indicates: Hybrid Battery 3 Voltage High

What causes a P1A36 error code?

The most common causes of P1A36 include: Third battery module failure; Problems with cell balancing; Charge control system malfunction; Damage to high voltage wires.

How do I fix a P1A36 diagnostic trouble code?

To fix P1A36: High voltage system diagnostics. Checking the voltage of all battery modules. Testing the cell balancing system. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1A36?

Limited driving only, diagnose soon

How much does it cost to fix P1A36?

The estimated repair cost for P1A36 is $167–556. Actual cost depends on your vehicle, location, and labor rates.

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