P24A9

EGR Cooler Coolant Pump Control Circuit Low

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

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
Check the resistance of the pump winding
If necessary, replace the EGR cooling pump

Related codes

P24A8 P24AA P0401