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DTC codes / P24xx · Auxiliary emission controls / P244F

P244FExhaust Temperature Too High For Particulate Filter Regeneration Bank 2

P244F is set when the engine control module determines that the exhaust gas temperature at the bank 2 particulate filter has exceeded the safe limit for regeneration, meaning the filter is too hot to begin or continue burning off soot. The computer compares the bank 2 exhaust temperature sensor signal against a calibrated threshold and stores the code when the reading stays above that limit for a set time.

SystemPowertrain
Code typeGeneric (all makes)
SeverityMedium
Fix difficultyProfessional
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.

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