OBD Guide
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B27B2

Electric Compressor High Voltage

B27B2 is an OBD-II diagnostic trouble code meaning: Electric Compressor High Voltage. Common causes: wiring harness damage, electric compressor malfunction. Estimated repair cost: $167–333.

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$167–333 (est.)

Symptoms

  • Reduced efficiency of the air conditioning system
  • Compressor overheating
  • Check Engine Light Illuminates

Causes

  • Wiring harness damage
  • Electric compressor malfunction
  • Problems with the compressor control system
  • Short circuit in the circuit

How to Fix

  1. Check wiring harness for damage
  2. Check the voltage in the compressor circuit
  3. Diagnose the operation of an electric compressor
  4. Replace faulty components

Related codes

B27B0B27B1B27B3

FAQ

What does the B27B2 code mean?

B27B2 is an OBD-II diagnostic trouble code that indicates: Electric Compressor High Voltage

What causes a B27B2 error code?

The most common causes of B27B2 include: Wiring harness damage; Electric compressor malfunction; Problems with the compressor control system; Short circuit in the circuit.

How do I fix a B27B2 diagnostic trouble code?

To fix B27B2: Check wiring harness for damage. Check the voltage in the compressor circuit. Diagnose the operation of an electric compressor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B27B2?

Limited driving only, diagnose soon

How much does it cost to fix B27B2?

The estimated repair cost for B27B2 is $167–333. Actual cost depends on your vehicle, location, and labor rates.

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