What does code P2474 mean?

DTC codes / P24xx · Auxiliary emission controls / P2474

P2474Exhaust Gas Temperature Sensor Circuit Range or Performance Bank 2 Sensor 4

P2474 means the powertrain control module (PCM) has detected that the exhaust gas temperature (EGT) sensor on bank 2, sensor 4 is reporting a temperature outside its expected range or is not responding as the engine operating conditions predict. The PCM compares the sensor signal against a modeled exhaust temperature and flags the code when the correlation falls outside calibrated limits.

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.