What does code P248F mean?

DTC codes / P24xx · Auxiliary emission controls / P248F

P248FEGR Cooler Bypass Control Circuit Range or Performance Bank 2

P248F indicates that the powertrain control module has detected an out-of-range or performance fault in the electrical circuit controlling the bank 2 exhaust gas recirculation cooler bypass valve. The computer monitors the control circuit for expected voltage or current behavior and sets this code when the actual signal does not match the commanded state within a calibrated time window.

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.