What does code P2497 mean?

Q: What does code P2497 mean?

EGR Cooler Bypass Position Sensor Circuit Bank 2. P2497 means the engine computer has detected an implausible signal from the position sensor that monitors the exhaust gas recirculation (EGR) cooler bypass valve on bank 2 of the engine. The sensor reports the bypass valve's position to the computer, and when the voltage or rationality check falls outside the expected range, the computer stores this code and illuminates the check engine light.

DTC codes / P24xx · Auxiliary emission controls / P2497

P2497EGR Cooler Bypass Position Sensor Circuit Bank 2

P2497 means the engine computer has detected an implausible signal from the position sensor that monitors the exhaust gas recirculation (EGR) cooler bypass valve on bank 2 of the engine. The sensor reports the bypass valve's position to the computer, and when the voltage or rationality check falls outside the expected range, the computer stores this code and illuminates the check engine light.

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.