OBD Guide

B264A

Electric Compressor Input Over Current

B264A is an OBD-II diagnostic trouble code meaning: Electric Compressor Input Over Current. Common causes: electric compressor malfunction, wiring harness damage. Estimated repair cost: $111–556.

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$111–556 (est.)

Symptoms

  • Air conditioner doesn't work
  • Reduced engine power
  • Overheating of system components
  • The fault lamp (Check Engine) comes on.

Causes

  • Electric compressor malfunction
  • Wiring harness damage
  • Short circuit in the circuit
  • Relay or fuse problems
  • Control unit malfunction

How to Fix

  1. Check the compressor fuse and relay
  2. Diagnose the power circuit for a short circuit
  3. Check the resistance of the compressor windings
  4. Test the control unit for errors
  5. Replace faulty compressor or wiring harness

Related codes

FAQ

What does the B264A code mean?

B264A is an OBD-II diagnostic trouble code that indicates: Electric Compressor Input Over Current

What causes a B264A error code?

The most common causes of B264A include: Electric compressor malfunction; Wiring harness damage; Short circuit in the circuit; Relay or fuse problems.

How do I fix a B264A diagnostic trouble code?

To fix B264A: Check the compressor fuse and relay. Diagnose the power circuit for a short circuit. Check the resistance of the compressor windings. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B264A?

Limited driving only, diagnose soon

How much does it cost to fix B264A?

The estimated repair cost for B264A is $111–556. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat