Detroit DD13 EPA10 (2010-13) Fault Code: SPN 3609 FMI 3 (ACM) Diesel Oxidation Catalyst Inlet Pressure Sensor Circuit Failed High

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.