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2 SPN 3216/FMI 21 – GHG14. SCR NOx Inlet Sensor Drift Low Table 1. SPN 3216/FMI 21 Description Selective Catalyst Reduction (SCR) Inlet NOx Sensor - Drift (Low Box). Monitored Parameter Engine Out NOx Typical Enabling Conditions EGR Mass Flow greater than .08 kg/s, Engine Speed 1450-1900 RPM, Engine Torque 1400-2100 N·m, Battery Voltage ...Nov 3, 2017 · hey everybody, got a 2017 cascadia with a code spn 3216 fmi 13 for a nox sensor before the scr catalyst signal not available. checked chassis wiring, have 12.4 volts on pins 1 and 4 and 63 ohms of resistance on pins 2 and 3 so everything checks out per the troubleshooting, replaced the nox sensor and code clears and comes back within seconds, the nox sensor fault counter reads 0 but the code ... Spn 3216 fmi 9. Aftertreatment Intake NOx Sensor - Abnormal Update Rate. No communication or an invalid data transfer rate has been detected on the J1939 data link between the ECM and the aftertreatment intake NOx sensor. Thoroughly inspect the wiring harness and connector pins going to your sensors for any type of corrosion or damage …For a DD engine The sensor is located on the 1 box closest to the front tire, It is fairly easy to get to if you remove the side cover, It takes a 7/8 sensor socket most of the times a wrench will take it off and you can cut the lead off at the sensor to use the box end if needed. the sensor module is just below the pressure sensor to metric cap screws and 1 plug. Feb 3, 2020 ... Today when I was going on a really bad road I got check engine light on. It has fault code spn 3216 fmi 10. I googled it and someone people say ...2 SPN 3216/FMI 21 – GHG14. SCR NOx Inlet Sensor Drift Low Table 1. SPN 3216/FMI 21 Description Selective Catalyst Reduction (SCR) Inlet NOx Sensor - Drift (Low Box). Monitored Parameter Engine Out NOx Typical Enabling Conditions EGR Mass Flow greater than .08 kg/s, Engine Speed 1450-1900 RPM, Engine Torque 1400-2100 N·m, Battery …SPN 3216 engine fault code indicates after treatment 2 intake NOx problem. A FMI 20 means data drifted high as shown in data table: SPN, FMI – Fault Code Meanings: 3216, 2 – data erratic; 3216, 4 – low …Sep 16, 2015 · Mission Statement: Supporting thoughtful exchange of knowledge, values and experience among RV enthusiasts. Got a check engine code I can't find in the cummins or allied site. One I have is the fault code SPN 1081 FMI 19. I know this one is a false code that needs to be cleared but I also have SPN 3216 FMI 20. Sep 18, 2021 · Posts: 1,886. Any idea what SPN 3216 FMI 20 means? I've got the 450 hp ISL engine (2104 Allegro Bus 37AP) with an MIL light on, SPN 3216 FMI 20 code. I've searched for a cross reference on the Cummins codes, but none show that complete code. Fault Code: 3748 PID(P): SPN: 3216 FMI: 2/20 An offset in the intake NOx sensor reading has been detected. No effect on performance. Possible causes of this fault code include: Malfunctioning aftertreatment Intake NOx sensor.SPN 3216/ FMI 18 fault is NOx Sensor Plausiblity Check. Diagnosis is 35 steps. but 1st step after connecting Diagnostic link is to fix other faults first. So fix 3216-3 first. SPN3223/FMI 7 fault is NOx Inlet Sensor Failure to activate. This also says to fix other faults first. Then it goes on to similar steps of 3216-3. 2.Fault Code: 3725 | SPN: 3216 | FMI: 10 Aftertreatment 1 Intake NOx Sensor - Abnormal Rate of Change 1 Check for primary fault codes 2 ECM calibration revision history check 3 Aftertreatment intake NOx sensor is malfunctioningFMI SPN FMI DESCRIPTION QSB QSC QSL9 QSM1 1 QSX1 5 QSK19 QSK23 QS T 30 QSK45 QSK60 QSK78 HHP Level Number (**) 151 (Red) P110 0 110 0 Engine Coolant Temperature High – Critical X 151 (White) P110 0 110 0 Engine Coolant Temperature High – Critical X 1 153 (Yellow) P105 3 105 3 Intake Manifold Temperature Sensor #1 Circuit - shorted high X 2 ... code 3216 fmi4 and 3216 fmi 20. Truck JA: I understand that you are experiencing trouble with codes 3216 FMI 4 and 3216 FMI 20 on your truck, ... Has the following codes: SPN 3216 FMI 4 SPN 3216 FMI 20 SPN 1569 FMI 31 Seems to be related to the SCR. What is best approach. ...ECM SPN 3216, Aftertreatment Intake NOx - MID 128 PPID 348. Dan : Full Size Image: Dan : Check your NOx sensor harness and replace the sensor. Daniel Wilson. Category: Medium and Heavy Trucks. Satisfied Customers: 16,270. Experience: Owner at DJ Wilson. ... Good morning, fault code SPN3216 FMI 20 SA0. This is a Freightliner custom chassis ...

Have code 3226 FMI 20. Pretty sure its a code for outlet nox. But the outlet nox is less than 2 months old. Ive had CAC - Answered by a verified Technician. ... Extremely Poor fuel economyGetting SPN 5357 FMI 17 …Jul 14, 2020 · Associates. 7,735 satisfied customers. I need help with a couple codes on a 2014 kw T800. T800. Yes. I have replaced the IMAP sensor and Borge dpf delta p sensors the codes are as follows spn 3610 fmi2 sa 0 and spn 1387 fmi 3 sa 49 … read more.The FMI 20 for this fault code means After treatment 1 Intake NOx Data Drifted High. It comes with a solid amber alert light. To learn more about this code just continue to read our article. It explores the topic so you can have the right information at your fingertips.Dec 18, 2021 · Senior Member. Join Date: May 2007. Posts: 258. SPN 3216/3222 NOx after treatment sensor. Has any backyard mechanic dealt with changing the aftertreatment 1 intake NOx sensor? I have a 2016 bus throwing the SPN 3216 and 3222 code and Cummins says this sensor is the problem. Part number 4326869.

Mar 15, 2020 · Good afternoon Entegra family, Weill the engine light came back, the fault code this time is SPN 3216 FMI 20 After treatment 1 Intake NOx Sensor-Data not rational - Drifted High The last fault code indicated that I need to replace my SCR, what about this Fault code? _____ Oct 4, 2009 · I'm having an issue received SPN 3226 FAIL 20 DD15 CASCADIA, took it to freightliner and they installed an awning kit. Drove about 100 miles and then it called for a forced region and same code EEC 61 FAIL 20 SPN 3226. Dec 5, 2021 · TxId: 0 SPN: 3516 – Aftertreatment 1 Diesel Exhaust Fluid Concentration FMI: 18 (Low—moderate severity) Count: 1 TxId: 0 SPN: 3216 – Aftertreatment 1 Selective Catalytic Reduction Intake NOx FMI: 3 (Voltage Above Normal) Count: 2 TxId: 0 SPN: 3216 – Aftertreatment 1 Selective Catalytic Reduction Intake NOx FMI: 12 (Failure) Count: 1 ... …

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. SPN: FMI: MCM2.1 Fault Code Description GHG14: 51: 2. Possible cause: Did a regeneration and these codes came back. Spn 1569 fmi 31 3216 fmi 4, 349.