OBD Guide
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B27CE

Electric Compressor Overheat

B27CE is an OBD-II diagnostic trouble code meaning: Electric Compressor Overheat. Common causes: electric compressor malfunction, compressor cooling problems. Estimated repair cost: $167–556.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$167–556 (est.)

Symptoms

  • Reduced air conditioning efficiency
  • Complete shutdown of the air conditioning system
  • Warning message on dashboard
  • Increased noise from the compressor

Causes

  • Electric compressor malfunction
  • Compressor cooling problems
  • Compressor temperature sensor malfunction
  • Problems with the wiring harness or connectors
  • Excessive load on the air conditioning system

How to Fix

  1. Check the refrigerant level in the system
  2. Inspect the compressor for mechanical damage
  3. Check compressor temperature sensor
  4. Check wiring harness and connectors for damage
  5. If necessary, replace the electric compressor

Related codes

B27CFB27D0P0532

FAQ

What does the B27CE code mean?

B27CE is an OBD-II diagnostic trouble code that indicates: Electric Compressor Overheat

What causes a B27CE error code?

The most common causes of B27CE include: Electric compressor malfunction; Compressor cooling problems; Compressor temperature sensor malfunction; Problems with the wiring harness or connectors.

How do I fix a B27CE diagnostic trouble code?

To fix B27CE: Check the refrigerant level in the system. Inspect the compressor for mechanical damage. Check compressor temperature sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B27CE?

Limited driving only, diagnose soon

How much does it cost to fix B27CE?

The estimated repair cost for B27CE is $167–556. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat