OBD Guide

B264F

Electric Compressor Stand-By Signal Line Short

B264F is an OBD-II diagnostic trouble code meaning: Electric Compressor Stand-By Signal Line Short. Common causes: wiring harness damage, short circuit in wiring. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Air conditioner doesn't work
  • Reduced cooling efficiency
  • Check Engine Light Is On
  • Noisy compressor operation
  • Spontaneous activation/deactivation of climate control

Causes

  • Wiring harness damage
  • Short circuit in wiring
  • Corrosion of electrical connectors
  • Malfunction of the climate control control unit
  • Damage to the electric compressor itself

How to Fix

  1. Carry out diagnostics with a scanner to confirm the code
  2. Visually inspect the compressor wiring harness for damage.
  3. Check the resistance and integrity of the signal line
  4. Inspect and clean electrical connectors
  5. If necessary, replace damaged wires or connectors
  6. Check the operation of the control unit
  7. Clear the error code and check the system operation

Related codes

FAQ

What does the B264F code mean?

B264F is an OBD-II diagnostic trouble code that indicates: Electric Compressor Stand-By Signal Line Short

What causes a B264F error code?

The most common causes of B264F include: Wiring harness damage; Short circuit in wiring; Corrosion of electrical connectors; Malfunction of the climate control control unit.

How do I fix a B264F diagnostic trouble code?

To fix B264F: Carry out diagnostics with a scanner to confirm the code. Visually inspect the compressor wiring harness for damage.. Check the resistance and integrity of the signal line. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B264F?

Limited driving only, diagnose soon

How much does it cost to fix B264F?

The estimated repair cost for B264F is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat