Dd15 spn 3216. Check wiring harnesses for damage or corro...

Dd15 spn 3216. Check wiring harnesses for damage or corrosion, especially connectors near the inlet and outlet sensors. Markup for both Detroit DD15 GHG14 (2014-16) Fault Code: SPN 3216 FMI 21 (ACM) SCR NOx Inlet Sensor Drift Low All of the 3216 numbers refer to the inlet NOx sensor and we checked the list, the 7 codes listed there do relate to the NOx sensor. In this guide, we’ll break down everything you need to know about the SPN 3216 code: its causes, symptoms, diagnosis methods, and how to fix it Detroit DD15 GHG14 (2014-16) Fault Code: SPN 3216 FMI 21 (MCM) Selective Catalyst Reduction (SCR) Inlet NOx Sensor – Drift (Low Box) DESCRIPTION: Selective Catalyst Reduction SPN 3216 indicates that there is an "Abnormal Rate of Change" in the Aftertreatment 1 Intake NOx Sensor readings. If you suspect your truck is suffering from one of these issues, look into Detroit DD15 GHG14 (2014-16) Fault Code: SPN 3216 FMI 21 (MCM) Selective Catalyst Reduction (SCR) Inlet NOx Sensor – Drift (Low Box) Currently, the two troubleshooting procedures for SPN 3216/13, EPA10 and GHG14, reference removal of the Outlet NOx sensor. To get it . Inspect One small issue like Spn 3216 Fmi 20 can cause a larger component to become damaged without taking the time to investigate. The reference needs be to the Inlet sensor instead. More specifically, it means the SPN 3216 FMI 18 indicates a NOx sensor circuit fault despite recent sensor replacements.


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