Detroit Diesel
Detroit DD16 GHG14 (2014-16) Fault Code: SPN 3216 FMI 13 (ACM) Selective Catalyst Reduction Inlet NOx Sensor Signal Not Available
Posted by PerDiezel Solutions on
DESCRIPTION:Selective catalyst reduction (SCR) inlet NOx sensor signal not available. MONITORED PARAMETER:SCR inlet NOx sensor signal. TYPICAL ENABLING CONDITIONS:Always enabled MONITOR SEQUENCE:None EXECUTION FREQUENCY:Always enabled TYPICAL DURATION:Two seconds DASH LAMPS:MIL VERIFICATION:Engine Idle: One minute. NOTE: If fault occurred during high idle regeneration, clear fault and release vehicle. NOTE: If occurrence counter 5 or less, clear codes and return vehicle to customer. PROBABLE CAUSES:1. SCR inlet NOx sensor.2. SCR inlet NOx sensor connector/harness.3. ACM2 (engine computer) failure.
Detroit DD16 GHG14 (2014-16) Fault Code: SPN 3216 FMI 2 (ACM) Selective Catalyst Reduction Inlet NOx Sensor Rationality Error
Posted by PerDiezel Solutions on
DESCRIPTION:This fault code sets when the difference between the expected NOX ppm and the actual NOx ppm is greater than 200 ppm. MONITORED PARAMETER:Aftertreatment inlet NOx sensor. TYPICAL ENABLING CONDITIONS:General Enabling Conditions: Engine is not in regeneration and operating at high speed and loads. Engine Parameter:1. Engine Speed (rpm):– Min: 1350– Max 1600 2. Torque (Nm):– Min: 1100– Max: 1500 3. Battery Voltage (Volts):– Min: 11.08 4. Engine Coolant Outlet Temperature:– Min: 70°C (158°F) 5. Ambient Temperature– Min: -8°C (17.6°F) 6. Barometric Pressure (mbar):– Min: 755 7. Time Since DPF Regeneration (min.):– Min: 15 MONITOR SEQUENCE:None EXECUTION FREQUENCY:Continuous when enabling...
Detroit DD16 GHG14 (2014-16) Fault Code: SPN 3216 FMI 21 (ACM) SCR NOx Inlet Sensor Drift Low
Posted by PerDiezel Solutions on
DESCRIPTION:Selective catalyst reduction (SCR) inlet NOx sensor – drift (low box). MONITORED PARAMETER:Engine out NOx. TYPICAL ENABLING CONDITIONS:1. Exhaust gas recirculation (EGR) mass flow greater than .08 kg/s.2. Engine speed is between 1450-1900 rpm.3. Engine torque is between 1400-2100 N·m (1033 to 1549 lb·ft).4. Battery voltage greater than 11 vDC.5. Coolant temperature greater than 65°C (149°F).6. Ambient temperature greater than -8°C (17.6°F) ambient.7. Barometric pressure greater than 755 mbar.8. Engine is not in regeneration mode. MONITOR SEQUENCE:None EXECUTION FREQUENCY:Always enabled TYPICAL DURATION:1.2 seconds DASH LAMPS:MIL ENGINE REACTION:None VERIFICATION:1. Warm up engine such that coolant temperature greater than 65°C (149°F).2. Ensure...
Detroit DD16 GHG14 (2014-16) Fault Code: SPN 3216 FMI 21 (MCM) Selective Catalyst Reduction (SCR) Inlet NOx Sensor – Drift (Low Box)
Posted by PerDiezel Solutions on
DESCRIPTION:Selective Catalyst Reduction (SCR) inlet NOx sensor – Drift (Low Box). MONITORED PARAMETER:Engine out NOx. TYPICAL ENABLING CONDITIONS:1. EGR Mass Flow greater than .08 kg/s.2. Engine Speed 1450-1900 rpm.3. Engine Torque 1400-2100 N·m.4. Battery Voltage greater than 11 vDC .5. Coolant Temperature greater than 65°C (149°F).6. Ambient Temperature greater than -8°C (18°F) Ambient.7. Barometric Pressure greater than 755 mbar.8. Engine not in regeneration mode. MONITOR SEQUENCE:None EXECUTION FREQUENCY:Always enabled TYPICAL DURATION:1.2 seconds DASH LAMPS:MIL ENGINE REACTION:None VERIFICATION:1. Warm up engine such that coolant temperature greater than 65°C (149°F).2. Ensure engine is not in regeneration mode.3. Ensure ambient temperature greater than...
Detroit DD16 GHG14 (2014-16) Fault Code: SPN 3216 FMI 3 (ACM) Selective Catalyst Reduction Inlet NOx Sensor Circuit Failed High
Posted by PerDiezel Solutions on
DESCRIPTION:This code sets when there is a short to power on the SCR NOx inlet circuit between the sensor and the CPU. MONITORED PARAMETER:SCR inlet NOx sensor. TYPICAL ENABLING CONDITIONS:Dewpoint enabled MONITOR SEQUENCE:None EXECUTION FREQUENCY:Continuous when enabling conditions met. TYPICAL DURATION:Two seconds DASH LAMPS:1. MIL2. CEL ENGINE REACTION:None VERIFICATION:Parked regen NOTE: If occurrence counter 5 or less, clear codes and return vehicle to customer. PROBABLE CAUSES:SCR inlet NOx sensor.
