NOTE: Please see the step by step troubleshooting procedures for this specific code.
PROBABLE CAUSES:
1. DPF inlet pressure sensor.
2. Short to power between the 120-pin connector and the DPF inlet and outlet pressure sensors.
Detroit DD16 GHG14 (2014-16) Fault Code: SPN 3609 FMI 3 (ACM) Diesel Oxidation Catalyst Inlet Pressure Sensor Circuit Failed High
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