OBD Guide

B264D

Electric Compressor System Failure Stop

B264D is an OBD-II diagnostic trouble code meaning: Electric Compressor System Failure Stop. Common causes: electric compressor malfunction, problems with the wiring harness or connectors. Estimated repair cost: $167–556.

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

Symptoms

  • Lack of cold air in the cabin
  • Air suspension malfunction (if installed)
  • Noise or humming from the compressor
  • Check Engine Light Illuminated

Causes

  • Electric compressor malfunction
  • Problems with the wiring harness or connectors
  • Control module failure
  • Defective relay or fuse
  • Low refrigerant level (for climate control systems)

How to Fix

  1. Checking fuses and relays associated with the compressor
  2. Compressor terminal voltage diagnostics
  3. Inspect the wiring harness for damage
  4. Checking refrigerant levels (if applicable)
  5. Testing the compressor for mechanical defects
  6. Replacing the compressor or repairing the circuit if necessary

Related codes

FAQ

What does the B264D code mean?

B264D is an OBD-II diagnostic trouble code that indicates: Electric Compressor System Failure Stop

What causes a B264D error code?

The most common causes of B264D include: Electric compressor malfunction; Problems with the wiring harness or connectors; Control module failure; Defective relay or fuse.

How do I fix a B264D diagnostic trouble code?

To fix B264D: Checking fuses and relays associated with the compressor. Compressor terminal voltage diagnostics. Inspect the wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B264D?

Limited driving only, diagnose soon

How much does it cost to fix B264D?

The estimated repair cost for B264D is $167–556. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat