Cummins 3169 Aftertreatment Warm Up Diesel Oxidation Catalyst Outlet Temperature - Data Valid But Above Normal Operating Range - Moderately
What this code means
Cummins fault code 3169 (SPN 4810 / FMI 0) refers to: Aftertreatment Warm Up Diesel Oxidation Catalyst Outlet Temperature - Data Valid But Above Normal Operating Range - Moderately. 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 3169 (SPN 4810 / FMI 0) indicates aftertreatment warm up diesel oxidation catalyst outlet temperature - data valid but above normal operating range - moderately.
Cummins 3169 is generally treated as a serious fault. Have the engine and its wiring inspected, and confirm the reading with a J1939 diagnostic scan before clearing the code.
Yes. Cummins 3169 is associated with the DPF after-treatment system on Cummins engines.
