What does code P24AD mean?

Q: What does code P24AD mean?

EGR Cooler Coolant Pump Feedback Circuit High. P24AD indicates that the engine control module has detected an abnormally high voltage on the feedback circuit for the exhaust gas recirculation cooler coolant pump. This pump circulates coolant through the EGR cooler to manage exhaust temperatures, and the high feedback signal suggests a short to voltage, an open circuit, or a faulty pump module.

DTC codes / P24xx · Auxiliary emission controls / P24AD

P24ADEGR Cooler Coolant Pump Feedback Circuit High

P24AD indicates that the engine control module has detected an abnormally high voltage on the feedback circuit for the exhaust gas recirculation cooler coolant pump. This pump circulates coolant through the EGR cooler to manage exhaust temperatures, and the high feedback signal suggests a short to voltage, an open circuit, or a faulty pump module.

SystemPowertrain

Code typeGeneric (all makes)

SeverityMedium

Fix difficultyIntermediate

AreaAuxiliary emission controls

Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.