Possible causes

– Faulty Exhaust Gas Recirculation (EGR) valve
– Faulty Exhaust Gas Recirculation (EGR) valve solenoid
– Exhaust Gas Recirculation (EGR) valve carbon blockage

When is the code detected?

The Engine Control Module (ECM) is detecting Exhaust Gas Recirculation (EGR) flow or movement when it is not expected

Symptoms

– Engine Light ON (or Service Engine Soon Warning Light)

P1404 Information for specific makes

P1404 CHRYSLER
P1404 BUICK
P1404 CADILLAC
P1404 CHEVROLET
P1404 DODGE
P1404 FORD
P1404 GMC
P1404 HYUNDAI
P1404 JEEP
P1404 PONTIAC
P1404 SATURN