OBD Guide

P028D

Charge Air Cooler Cooling Fan Control Circuit Low

P028D is an OBD-II diagnostic trouble code meaning: Charge Air Cooler Cooling Fan Control Circuit Low. Common causes: intercooler cooling fan malfunction, open or short circuit in wiring harness. Estimated repair cost: $56–167.

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

Symptoms

  • Reduced engine power
  • Increased charge air temperature
  • Check Engine Light Is On

Causes

  • Intercooler cooling fan malfunction
  • Open or short circuit in wiring harness
  • Fan control relay malfunction
  • Problems with the engine control unit (ECU)

How to Fix

  1. Check the operation of the intercooler cooling fan
  2. Inspect the wiring harness for damage
  3. Check fan control relay
  4. Scan the ECU for errors

Related codes

Error P028D by Vehicle Brand

FAQ

What does the P028D code mean?

P028D is an OBD-II diagnostic trouble code that indicates: Charge Air Cooler Cooling Fan Control Circuit Low

What causes a P028D error code?

The most common causes of P028D include: Intercooler cooling fan malfunction; Open or short circuit in wiring harness; Fan control relay malfunction; Problems with the engine control unit (ECU).

How do I fix a P028D diagnostic trouble code?

To fix P028D: Check the operation of the intercooler cooling fan. Inspect the wiring harness for damage. Check fan control relay. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P028D?

Limited driving only, diagnose soon

How much does it cost to fix P028D?

The estimated repair cost for P028D is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat