Code result
P24D4
EGR Cooler Coolant Pump Feedback Circuit
Moderate severity
What it means
A general circuit fault on the feedback line that the EGR cooler coolant pump reports speed on. EGR mixes inert exhaust into intake to lower combustion peak temperature — too little raises NOx, too much causes misfires and rough running.
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Open in feedback wiring
highOne of the most commonly reported causes for this code — check this first.
Related help
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