OBD Guide

P26FD

A/C Compressor Internal Control Module Performance

P26FD is an OBD-II diagnostic trouble code meaning: A/C Compressor Internal Control Module Performance. Common causes: malfunction of the internal compressor control module, problems with module power supply. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Air conditioner won't turn on
  • Unstable operation of the climate control system
  • Periodic shutdown of the air conditioner
  • Increased noise from the compressor
  • Hot air from ducts

Causes

  • Malfunction of the internal compressor control module
  • Problems with module power supply
  • Open or short circuit in control circuits
  • Compressor mechanical failure
  • Air conditioning system overheating

How to Fix

  1. Diagnostics of compressor operating parameters
  2. Checking the module's power and control circuits
  3. Compressor control module testing
  4. Replacing the control module if necessary
  5. Checking and replacing the compressor if mechanical faults are detected

Related codes

Error P26FD by Vehicle Brand

FAQ

What does the P26FD code mean?

P26FD is an OBD-II diagnostic trouble code that indicates: A/C Compressor Internal Control Module Performance

What causes a P26FD error code?

The most common causes of P26FD include: Malfunction of the internal compressor control module; Problems with module power supply; Open or short circuit in control circuits; Compressor mechanical failure.

How do I fix a P26FD diagnostic trouble code?

To fix P26FD: Diagnostics of compressor operating parameters. Checking the module's power and control circuits. Compressor control module testing. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P26FD?

Yes, but get it checked soon

How much does it cost to fix P26FD?

The estimated repair cost for P26FD is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat