OBD Guide

B264C

Electric Compressor Start Up Fail

B264C is an OBD-II diagnostic trouble code meaning: Electric Compressor Start Up Fail. Common causes: electric compressor malfunction, open or short circuit in wiring harness. Estimated repair cost: $167–556.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$167–556 (est.)

Symptoms

  • Air conditioner doesn't work
  • Increased noise when trying to turn on the air conditioner
  • Check Engine light comes on

Causes

  • Electric compressor malfunction
  • Open or short circuit in wiring harness
  • Problems with the air conditioning control unit
  • Low voltage in the on-board network

How to Fix

  1. Check compressor supply voltage
  2. Inspect the wiring harness for damage
  3. Test the resistance of the compressor windings
  4. Check error codes in the air conditioning control unit
  5. If necessary, replace the compressor or wiring harness

Related codes

FAQ

What does the B264C code mean?

B264C is an OBD-II diagnostic trouble code that indicates: Electric Compressor Start Up Fail

What causes a B264C error code?

The most common causes of B264C include: Electric compressor malfunction; Open or short circuit in wiring harness; Problems with the air conditioning control unit; Low voltage in the on-board network.

How do I fix a B264C diagnostic trouble code?

To fix B264C: Check compressor supply voltage. Inspect the wiring harness for damage. Test the resistance of the compressor windings. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B264C?

Yes, but get it checked soon

How much does it cost to fix B264C?

The estimated repair cost for B264C is $167–556. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat