OBD Guide

P24AA

EGR Cooler Coolant Pump Control Circuit High

P24AA is an OBD-II diagnostic trouble code meaning: EGR Cooler Coolant Pump Control Circuit High. Common causes: egr cooling pump malfunction, open or short circuit in control circuit. Estimated repair cost: $56–167.

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

Symptoms

  • Check Engine light comes on
  • Reduced engine power
  • Increased fuel consumption
  • Unstable engine idling
  • EGR system overheating

Causes

  • EGR cooling pump malfunction
  • Open or short circuit in control circuit
  • Pump relay problems
  • Engine control unit malfunction
  • Corroded contacts or damaged connectors

How to Fix

  1. Check the integrity of the pump control circuit
  2. Check the functionality of the EGR cooling pump
  3. Check the condition of the relays and fuses
  4. Inspect connectors and contacts for corrosion
  5. If necessary, replace the EGR cooling pump

Related codes

Error P24AA by Vehicle Brand

FAQ

What does the P24AA code mean?

P24AA is an OBD-II diagnostic trouble code that indicates: EGR Cooler Coolant Pump Control Circuit High

What causes a P24AA error code?

The most common causes of P24AA include: EGR cooling pump malfunction; Open or short circuit in control circuit; Pump relay problems; Engine control unit malfunction.

How do I fix a P24AA diagnostic trouble code?

To fix P24AA: Check the integrity of the pump control circuit. Check the functionality of the EGR cooling pump. Check the condition of the relays and fuses. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P24AA?

Yes, but get it checked soon

How much does it cost to fix P24AA?

The estimated repair cost for P24AA is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat