Cummins 3245 Aftertreatment Diesel Particulate Filter System - Mechanical System Not Responding or Out of Adjustment
What this code means
Cummins fault code 3245 (SPN 3936 / FMI 7) refers to: Aftertreatment Diesel Particulate Filter System - Mechanical System Not Responding or Out of Adjustment. It is logged by the engine control module (ECM) on Cummins-powered vehicles and read over the J1939 diagnostic network.
Emissions system
This is an emissions after-treatment related fault on the DPF system. On Cummins-powered vehicles it is commonly seen when that after-treatment system is faulty, restricted, or has been modified.
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Frequently asked questions
Cummins fault code 3245 (SPN 3936 / FMI 7) indicates aftertreatment diesel particulate filter system - mechanical system not responding or out of adjustment.
Cummins 3245 is generally treated as a moderate-severity fault. Have the engine and its wiring inspected, and confirm the reading with a J1939 diagnostic scan before clearing the code.
Yes. Cummins 3245 is associated with the DPF after-treatment system on Cummins engines.
