Detroit DD16 EPA10 (2010-13) Fault Code: SPN 3246 FMI 21 (ACM) Diesel Particulate Filter Outlet Temperature Sensor – Not Plausible

NOTE: Please see the step by step troubleshooting procedures for this specific code.

NOTE: If codes 3246-3, 3242-3, 3250-3 or 1172-3 active, fix those first.

1. Wiring between the turbocharger compressor inlet temperature and the 120-pin MCM connection.
2. DPF outlet temperature sensor.
3. DPF outlet temperature sensor connector/harness.