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DTC codes / P24xx · Auxiliary emission controls / P2465

P2465Diesel Particulate Filter Differential Pressure Sensor Range/Performance

P2465 means the engine computer has detected that the diesel particulate filter (DPF) differential pressure sensor is not reporting a plausible or consistent pressure difference across the filter. The sensor's signal is out of range or not performing as expected during key-on, idle, or driving conditions, so the computer cannot trust the soot-load calculation.

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.

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