Detroit DD16 GHG14 (2014-16) Fault Code: SPN 4360 FMI 10 (ACM) Selective Catalyst Reduction Inlet Temperature Sensor – Rationality Error

Posted by PerDiezel Solutions on April 22, 2026

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

NOTE: If any other codes active, fix those first.

PROBABLE CAUSES:
1. Inspect all connectors and wiring upstream of the ACM (SCR inlet temp, ATD harness 10-pin connector, VIH 47-pin connector, and ECM 120-pin connector).
2. SCR inlet temperature sensor.
3. SCR inlet temperature sensor connector/harness.

WARNING!