Detroit DD15 GHG14 (2014-16) Fault Code: SPN 3246 FMI 15 (ACM) Diesel Particulate Filter Outlet Temperature – High

Description

DESCRIPTION:
This code sets when the Diesel Particulate Filter (DPF) Outlet temperature is greater than 730°C (1346°F) for more than two seconds.

MONITORED PARAMETER:
DPF outlet temperature sensor.

TYPICAL ENABLING CONDITIONS:
Always on

MONITOR SEQUENCE:
None

EXECUTION FREQUENCY:
Continuous when enabling conditions are met.

TYPICAL DURATION:
Two seconds

DASH LAMPS:
1. CEL
2. MIL

ENGINE REACTION:
25% derate

VERIFICATION:
Parked regeneration

POSSIBLE CAUSES:
1. Faulty DPF outlet temperature sensor.
2. Fluid intrusion into the exhaust.
3. Biased input for fuel mapping.
4. Incorrect or over-contributing fuel injectors.
5. Restricted air filter.
6. Incorrect camshaft timing.