Detroit DD15 EPA10 (2010-13) Fault Code: SPN 3250 FMI 3 (ACM) Diesel Oxidation Catalyst Outlet Temperature Circuit Failed High

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

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

PROBABLE CAUSES:
1. Turbocharger compressor inlet sensor.
2. Turbocharger compressor inlet sensor harness/connector.
3. DOC outlet temperature sensor.
4. DOC outlet temperature sensor harness/connector.