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Detroit DD15 GHG14 (2014-16) Fault Code: SPN 5246 FMI 0 (ACM) Regulatory Fault Ignored – Final Action (Speed Limit)

NOTE: This code sets when SPN 5246/FMI 16 has been present for one hour of idle time, the vehicle has been restarted or six gallons of fuel has been used.

DESCRIPTION:
Regulatory fault ignored – final action speed limiting.

MONITORED PARAMETER:
SCR and DPF sensors.

TYPICAL ENABLING CONDITIONS:
Always enabled

MONITOR SEQUENCE:
None

EXECUTION FREQUENCY:
Always enabled

TYPICAL DURATION:
Two seconds

DASH LAMPS:
CEL

ENGINE REACTION:
1. Idle only, vehicle limited to 5 MPH.
2. Parked SCR efficiency test for extended SCR faults.

VERIFICATION:
High idle regeneration for DPF and NOx faults.

NOTE: For 2010 emission engines, if 5246-0, 5246-15, or 5246-16 are the only faults present, please troubleshoot code 3361-7 instead.

NOTE: This is a government mandated code which informs users that fault code has been active for longer then a government specified time interval.

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