Detroit Diesel

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27 November, 2025

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Detroit DD16 GHG14 (2014-16) Fault Code: SPN 3216 FMI 3 (ACM) Selective Catalyst Reduction Inlet NOx Sensor Circuit Failed High

DESCRIPTION:This code sets when there is a short to power on the SCR NOx inlet circuit between the sensor and...

27 November, 2025

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Detroit DD16 GHG14 (2014-16) Fault Code: SPN 3216 FMI 4 (ACM) Selective Catalyst Reduction Inlet NOx Sensor Circuit Failed Low

DESCRIPTION:This code sets when there is a short to ground on the SCR NOx inlet circuit between the sensor and...

27 November, 2025

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Detroit DD16 GHG14 (2014-16) Fault Code: SPN 3223 FMI 7 (ACM) NOx RAW Sensor Not Ready After Dewpoint Enable Check

DESCRIPTION:NOx inlet sensor failure to active. MONITORED PARAMETER:NOx inlet sensor. TYPICAL ENABLING CONDITIONS:NOx raw count. MONITOR SEQUENCE:None EXECUTION FREQUENCY:Continuous when...

27 November, 2025

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Detroit DD16 GHG14 (2014-16) Fault Code: SPN 3226 FMI 13 (ACM) Selective Catalyst Reduction Outlet NOx Sensor Signal Not Available

DESCRIPTION:Selective catalyst reduction (SCR) outlet NOx sensor signal not available. MONITORED PARAMETER:SCR outlet NOx sensor signal. TYPICAL ENABLING CONDITIONS:Always enabled...

27 November, 2025

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Detroit DD16 GHG14 (2014-16) Fault Code: SPN 3226 FMI 2 (ACM) Selective Catalyst Reduction Outlet NOx Sensor – Drift

DESCRIPTION:Outlet NOx sensor is drifted. MONITORED PARAMETER:1. Selective catalyst reduction (SCR) outlet NOx.2. Engine speed between 1000 to 2000 rpm.3....

27 November, 2025

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Detroit DD16 GHG14 (2014-16) Fault Code: SPN 3226 FMI 20 (ACM) Selective Catalyst Reduction Outlet NOx Sensor – Drift Low

DESCRIPTION:Selective catalyst reduction (SCR) outlet NOx sensor – drift low. MONITORED PARAMETER:Engine out NOx. TYPICAL ENABLING CONDITIONS:The following must be...

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Detroit Diesel