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