Detroit DD15 GHG14 (2014-16) Fault Code: SPN 3216 FMI 10 (MCM) Selective Catalyst Reduction Inlet NOx Sensor – Drift
DESCRIPTION:
High NOx at idle.
MONITORED PARAMETER:
NOx
TYPICAL ENABLING CONDITIONS:
1. Zero vehicle speed.
2. RPM less than 900.
3. EGR closed.
MONITOR SEQUENCE:
None
EXECUTION FREQUENCY:
Continuous when enabling conditions met.
TYPICAL DURATION:
Two seconds
DASH LAMPS:
MIL
ENGINE REACTION:
None
NOTE: If any other EGR codes are active, fix those first.
PROBABLE CAUSES:
1. Inspect the entire air inlet system, charge air cooler, and EGR piping/hoses.
2. Check for failed injector.
3. Check the aftertreatment system for leaks/damage.
4. Perform a high idle regeneration.
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