OBD Guide

P24A9

EGR Cooler Coolant Pump Control Circuit Low

P24A9 is an OBD-II diagnostic trouble code meaning: EGR Cooler Coolant Pump Control Circuit Low. Common causes: open or short circuit in the pump control circuit, poor connection or corroded contacts. Estimated repair cost: $39–133.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$39–133 (est.)

Symptoms

  • Check engine light comes on
  • Reduced engine power
  • Increased fuel consumption
  • Unstable idling
  • Possible misfires

Causes

  • Open or short circuit in the pump control circuit
  • Poor connection or corroded contacts
  • Pump solenoid valve malfunction
  • Pump control relay problems
  • Malfunction of the EGR cooling pump itself

How to Fix

  1. Check the integrity of wiring and connections in the control circuit
  2. Check the voltage at the pump terminals
  3. Test the operation of the pump control relay
  4. Check the resistance of the pump winding
  5. If necessary, replace the EGR cooling pump

Related codes

Error P24A9 by Vehicle Brand

FAQ

What does the P24A9 code mean?

P24A9 is an OBD-II diagnostic trouble code that indicates: EGR Cooler Coolant Pump Control Circuit Low

What causes a P24A9 error code?

The most common causes of P24A9 include: Open or short circuit in the pump control circuit; Poor connection or corroded contacts; Pump solenoid valve malfunction; Pump control relay problems.

How do I fix a P24A9 diagnostic trouble code?

To fix P24A9: Check the integrity of wiring and connections in the control circuit. Check the voltage at the pump terminals. Test the operation of the pump control relay. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P24A9?

Yes, but get it checked soon

How much does it cost to fix P24A9?

The estimated repair cost for P24A9 is $39–133. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat