This pdf formatted University Study Material Publication Number / Title Platform Section Title Change SPN 3556/ FMI 1 - EPA10 SPN 3556/ FMI 18 - EPA10 SPN 3556/ FMI 0 - GHG14 covered the subject concepts in a comprehend manner for easy reference to their students.isx engine with 3556-31, 3556-18 and 5298-31 touble codes. these codes are all for your aftertreatment system A dirty or damaged aftertreatment fuel injector can be to blame for not producing enough heat to properly regen. You should also have the DPF and DOC inspected and or cleaned. The aftertreatment injector should be cleaned every …1 NUMBER:1 ATS REF.:Listed in Table 1 ENGINE:ATSDATE:April 2007 SUBJECT: CHANGES IN TROUBLESHOOTINGPUBLICATION: 7SE63 TheAftertreatment System Technician's Guidehas been , Hazardous ApplicationsThe definitions for the two CPC options were changed to clarify their , SPN 51/FMI 2 FMI 2 with its troubleshooting …EEC61 SPN 4364 FMI 18 – Selective Catalyst Reduction Nox Conversion LOW. EEC 61 means Aftertreament Control module (ACM). The ACM module controls the DOC, DPF, DEF, SCR operations. This code sets when the ACM detects that the SCR NOx Conversion efficiency is low. The measurement for this sensor happens by measuring the inlet and outlet NOx ...SPN 3556. FMI 4. Cant seem to find it online, any help is greatly appreciated. Quote. Posted April 29, 2017. "Aftertreatment Hydrocarbon doser". Fmi 4: voltage is below or shorted circiut. Or ground is shorted. Possible symptoms are "regen not possible" check engine light and MIL light.Apr 27, 2017 · SPN 3556. FMI 4. Cant seem to find it online, any help is greatly appreciated. Quote. Posted April 29, 2017. "Aftertreatment Hydrocarbon doser". Fmi 4: voltage is below or shorted circiut. Or ground is shorted. Possible symptoms are "regen not possible" check engine light and MIL light. FMI: 13/13. LAMP: Amber. SRT: Ask Your Own Medium and Heavy Trucks Question. 3821. 3821 Engine Exhaust Gas Recirculation 1 Valve 2 Control Desired percentage of maximum Exhaust Gas Recirculation (EGR) valve opening for valve 2. 0% means valve is closed. 100% means maximum valve opening (full gas flow). It is indicating a leak which can be caused by a false reading aft fuel pressure sensor. Aft fuel shut off valve or a defective 7th injector. I would inspect the 7th injector for being stuck open, especially if the block looks new Ask Your Own Medium and Heavy Trucks Question Okay I will do that and get back to you.Plugged smoke aftertreatment fuel injector White POSSIBLE DIAGNOSTIC TROUBLE CODES 10 ECM AFT PARTS INFORMATION Replace the below gasket and bolts when servicing the HC Injector [aftertreatment fuel injector (AFI) and doser injector]. 3006707C1 BOLT,HEX FLANGE M8 X 45 B16 2 (p/n 3005521C1) 3018016C1.SPN FMI 1st digit 2nd digit 1 1 No DTCs N/A N/A - Wheel Speed Sensor DTCs 21SA Left WSS Excessive Air Gap 1 789 1 3 1 SA Right WSS Excessive Air Gap 2 790 1 4 1 DA Left WSS Excessive Air Gap 3 791 1 5 1 DA Right WSS Excessive Air Gap 4 792 1 14 1 AA Left WSS Excessive Air Gap 5 793 1 15 1 AA Right WSS Excessive Air Gap 6 794 11 9 14-14 SUBJECT DATE SPN 3563 (MCM) (GHG14) September 2014 Additions, Revisions, or Updates Publication Number / Title Platform Section Title Change DDC-SVC-MAN-0084 GHG14 DD Platform SPN 3563/FMI 21 - GHG14 This is a new section to more closely reflect the calibration. 9 14-14 All information subject to change without notice. 316.1 SPN 3480 FMI 1 16.2 SPN 3480 FMI 2 16.3 SPN 3480 FMI 14 16.4 SPN 3480 FMI 16 16.5 SPN 3480 FMI 31 17.0 SPN 3482 Fuel Cutoff Valve Sensor Above or Below Normal Operating Range 17.1 SPN 3482 FMI 3 17.2 SPN 3482 FMI 4 17.3 SPN 3482 FMI 5 17.4 SPN 3482 FMI 7 18.0 SPN 3556 Electronic Dosing Valve Above or Below …Apr 2, 2019 · I have code spn 3556 fmi 2 on a 2014 international prostar…. it loos as if the hc block that attaches to the downpipe has been replaced as it is clean-ish and newer looking. That fault is for the 7th injector. It is indicating a leak which can be caused by a false reading aft fuel pressure sensor. The diagnostics for these fault codes have been revised and separated by emission year. SPN 3556/ FMI 1 - GHG14. DDC-SVC-MAN-0084. DD Platform. The diagnostics for these fault codes have been revised and separated by emission year. SPN 3556/ FMI 18 - GHG14. 1. EPA10. Regen Temperature- Out Of Range Low. SPN 4364/FMI 18 Description This fault code sets when the Aftertreatment Control Module (ACM) detects that the NOx conversion is lower than a calibrated threshold Monitored Parameter Selective Catalyst Reduction (SCR) Inlet NOx sensor, SCR outlet NOx sensor Typical Enabling Conditions Diesel Exhaust Fluid (DEF) dosing enabled, 1000 - 1500 …• SPN 3556 (AFTFP2) 1 1 and 7 and 7 • SPN 3479 (AFTPC) • SPN 3936 (DPF) ... • SPN 188 FMI O and 1 this fault is detected during two consecutive drive cycles.1 04 12-17 SUBJECT DATE SPN 3556/FMI 0, 1, 18 - Regeneration Temperature Update Procedures April 2017 Additions, Revisions, or Updates Publication Number / Title Platform Section Title Change DDC-SVC-MAN-0084 GHG14 DD Platform SPN 3556/FMI 0 - GHG14 - ACM The diagnostic procedures have been updated. SPN 3556/FMI 1 - GHG14 - ACM SPN 3556/FMI 18 ... Table 1. SPN 3556 /FMI 1. SPN 3556 /FMI 1. Description. This code sets when the Diesel Oxidations Catalyst (DOC) outlet temperature does not increase above the modeled threshold when regeneration is enabled. Monitored Parameter. DOC outlet temperature sensor. Typical Enabling Conditions. I have a 2008 Freightliner Columbia 1FUBA5CK68LAC3879 with Autoshift and Detroit 12.7. Last driver received the following aftertreament code and light on dash. SPN 3556 FMI 1. Code occurred around 11: … read moreii. For SPN 3556 FMI 7 codes, follow the step based diagnostics located in the service manual. iii. Perform DSI deaeration fuel bleeding procedure with ServiceMaxx to eliminate air from the AFI fuel supply line. This procedure should be performed anytime fuel system service is required including fuel filter service. 8. Oxygen Sensor: a.Usually when inquiring about fault codes, it's easiest to follow SA/SPN/FMI (source address/ suspected parameter number/ failure mode indicator). There are several SPN 3556. Most of them relate to HC doser block. The doser block is located on the back passenger side of engine. I think there's like 3 connectors on it.5 satisfied customers. I'm getting this Fault Code SPN-2567, Description: Total. I'm getting this Fault Code SPN-2567, Description: Total Message Size (TP.CM_BAM), Source: Instrument Cluster 1, Type: Intermittent … read more.This answer was rated: ★★★. Ask Your Own Medium and Heavy Trucks Question. Okay, on the 1127 which is for the boost air system there are a few things to check. I can tell you from my years as a dealership triage tech this fault is more than likely going to be attributed to your hard to start issue which is probably from injector cups leaking.1/3/2014 Other Languages: NONE Author: Steven Bell Viewed: 435 Hide Details Coding Information Copy Link Copy Relative Link Bookmark Add to Favorites Print Provide Feedback Helpful Not Helpful View My Bookmarks 8 1 Title: AFI Fuel Supply Line Rubbing SPN 3556 FMI 7 Codes After Dealer Service Applies To: EPA 2010 IBB MF 11/13/15L …2014 international prostar ISX Spn 3556 Fmi 18 Oc1 Spn 5298 Fmi Oc 1.....one shop say its the dozer injector but i - Answered by a verified Technician We use cookies to give you the best possible experience on our website.103.1 spn 3511/fmi 3; 104 spn 3556 - electronic dosing valve above or below normal operating range 104.1 spn 3556/fmi 0 or 1; 105 spn 3563 – intake manifold pressure outside normal range 105.1 spn 3563/fmi 0/1/2; 105.2 spn 3563/fmi 3; 105.3 spn 3563/fmi 4; 106 spn 3603 (cpc) - j1939 ess message is missing 106.1 spn 3603/fmi 9 • SPN: 3556, FMI: 1 - Regen Temperature - Out of Range Low • SPN: 3556, FMI: 18 - DOC Outlet Temp Low (Low Temp Regen). There are approximately 12,154 engines affected by this Field Service Campaign. Field Service Campaign Bulletin 18M1 . Page Two. Engines Involved. A list of engines located in your area of responsibility that require this correction …Usually when inquiring about fault codes, it's easiest to follow SA/SPN/FMI (source address/ suspected parameter number/ failure mode indicator). There are several SPN 3556. Most of them relate to HC doser block. The doser block is located on the back passenger side of engine. I think there's like 3 connectors on it.• SPN 3471 (AFTPC) • SPN 3556 (AFTFP2) 1 1 and 7 and 7 • SPN 3479 (AFTPC) • SPN 3936 (DPF) • SPN 1173 FMI 16 (TC2ClT) • SPN 2659 FMI 20 and 21 (AMS) • SPN 1189 FMI 3 and 4 (TC2WC) • SPN 2791 FMI 2, 3, 4, 7, ... 110 FMI 2, 175 FM' 2, 3, 3, and 4 and 4 • SPN 164 FMI O, 3, 4, 16, and 18 (ICP) • SPN 188 FMI O and 1 this fault is detected …Complete service repair manual with Electrical Wiring Diagrams for International series N9, N10 Diesel Engines, with all the technical information to maintain, diagnose, repair, rebuild like professional mechanics.. International / Navistar Diesel Engines N9, N10 workshop service repair manual includes: * Numbered table of contents easy to use so that you …Technician: Daniel Wilson. Engine. SAE - 65302 - Root cause not known. SPN 65302. 11. Ask Your Own Medium and Heavy Trucks Question. Where is the harness located on a Paccar engine. Technician: Daniel Wilson. The second code will likely resolve once the first is corrected.Sep 12, 2018 · SPN 3556/FMI 0 - GHG14 Regen Temperature - Out of Range High Table 3. SPN 3556/FMI 0 Description This code sets when the ACM detects that the DOC outlet temperature sensor is greater than the modeled threshold. Monitored Parameter DOC Temperature Outlet temperature sensor. Trouble Code (DTC) list for SPN 3251 FMI 2, 3 and 4 (DPFDP/outlet pressure). Is EST DTC list free of SPN 3251 FMI 2, 3 and 4? Yes: Go to step 4 No: Repair SPN 3251 FMI 2, 3 and 4. After repairs are complete, retest for SPN 5397 FMI 31. StepAction Decision 4 Using terminal test kit, inspect connections at Diesel ParticulateHi I have a 2011 International with a Maxxforce DT. Initial condition was solid engine check light (yellow) with red stop light. Codes were pulled using servicemaxx and it was SPN 3556 FMI 0 (Aftertreatment fuel pressure 2 excessively high) SPN 3936 FMI 0 (DPF Soot Load- Severe De-Rate)So we went ahead and pulled the doser and it was …What is Fault Code SPN 3556? This code is all about regen temperature. If you get SPN 3556 FMI 0 then that code means- Regen Temperature - Out Of Range High. If you get SPN 3556 FMNI 1 then the opposite will be …2 SPN 3556/FMI 1 - GHG14. Regeneration Temperature - Out Of Range Low. Table 1. SPN 3556/FMI 1. SPN 3556/FMI 1. Description. This Code Sets When the Exhaust Temperature Does Not Increase Above the Modeled Threshold When Regeneration is Enabled. Monitored Parameter. Diesel Oxidation Catalyst (DOC) Outlet Temperature Sensor.Feb 28, 2020 · I got codes spn 2791 fmi 11, spn 3821 fmi11, spn 3556 fmi5. Hello, i got codes spn 2791 fmi 11, spn 3821 fmi11, spn 3556 fmi5. I replaced dpf fuel injector 1 and still have those codes. Mike Mcmillan. Triage Tech/Shop Foreman. Associates. 649 satisfied customers. TxId: 58 SPN: 520211 FMI: 7 (Not Responding Properly) Count: TxId: 58 SPN: 520211 FMI: 7 (Not Responding Properly) Count: 126 TxId: 0 SPN: 171 – Ambient Air Temperature FMI: 2 (Erratic, Intermittent, … read more.Feb 18, 2021 · SPN 593 - FMI 2 Engine Idle Shutdown Has Shutdown Engine - Erratic Intermittent or Incorrect. SPN 593 - FMI 3 Engine Idle Shutdown Has Shutdown Engine - Voltage Above Normal. SPN 614 - FMI 15 System Diagnostic Code #4 - High - Least severe. SPN 614 - FMI 16 System Diagnostic Code #4 - High - Moderate Severity.20 = Data Drifted High (rationality high) 21 = Data Drifted Low (rationality low) 22 to 30 = Reserved for SAE Assignment. 31 = Condition Exists. Get information about Suspect Parameter Number (SPN) and Failure Mode Identifier (FMI) fault code list and read descriptions before engine troubleshooting diy process.1/3/2014 Other Languages: NONE Author: Steven Bell Viewed: 435 Hide Details Coding Information Copy Link Copy Relative Link Bookmark Add to Favorites Print Provide …Oxidation Catalyst (DOC) (sensor 1) and immediately before and just after the Diesel Particulate Filter (DPF) (sensors 2 and 3). These sensors produce an electronic signal based on temperature. The signals are sent to the Engine Control “The Intake Throttle Valve (ITV) is installed on the air intake between the air filter housing and the ExhaustThe directions in step 6 of the troubleshooting procedure for SPN 3556/FMI 1 were changed. For SPN 3719, FMI 14 was changed to FMI 31. FMI 15 and 31 were defined as silent codes. 2 HAZARDOUS APPLICATIONS The MCM should be configured to not allow automatically triggered over-the-road regenerations (DPF Manual Regen Only Enable = Enabled). …Plugged smoke aftertreatment fuel injector White POSSIBLE DIAGNOSTIC TROUBLE CODES 10 ECM AFT PARTS INFORMATION Replace the below gasket and bolts when servicing the HC Injector [aftertreatment fuel injector (AFI) and doser injector]. 3006707C1 BOLT,HEX FLANGE M8 X 45 B16 2 (p/n 3005521C1) 3018016C1.Sep 12, 2018 · SPN 3556/FMI 0 - GHG14 Regen Temperature - Out of Range High Table 3. SPN 3556/FMI 0 Description This code sets when the ACM detects that the DOC outlet temperature sensor is greater than the modeled threshold. Monitored Parameter DOC Temperature Outlet temperature sensor. 22 Авг 2023 ... ... SPN 3556 FMI 1. Don't go and have your filters baked and cleaned just yet. Step 1: check your Diesel Doser Valve, which is located behind ...ADVERTENCIA!!! ⚠️⚠️⚠️⚠️Siempre use El equipo de seguridad personal adecuado y las herramientas apropiadas para Este trabajo. Al no hacer correctamente Es...1 05 05-18 SUBJECT DATE SPN 3563 HDEP Inlet manifold pressure Too Low May 2018 Additions, Revisions, or Updates Publication Number / Title Platform Section Title Change DDC-SVC-MAN-0084 EPA07/10/ GHG14 DD Platform SPN 3563/FMI 18 The diagnostic procedure has been rewritten using the procedure from SPN 102/FMI 18. The diagnostic is the same.SPN 3556 /FMI 1. Description. This code sets when the Diesel Oxidations Catalyst (DOC) outlet temperature does not increase above the modeled threshold when.Sep 12, 2018 · SPN 3556/FMI 0 - GHG14 Regen Temperature - Out of Range High Table 3. SPN 3556/FMI 0 Description This code sets when the ACM detects that the DOC outlet temperature sensor is greater than the modeled threshold. Monitored Parameter DOC Temperature Outlet temperature sensor. 2 SPN 3556/FMI 1 - GHG14. Regeneration Temperature - Out Of Range Low. Table 1. SPN 3556/FMI 1. SPN 3556/FMI 1. Description. This Code Sets When the Exhaust Temperature Does Not Increase Above the Modeled Threshold When Regeneration is Enabled. Monitored Parameter. Diesel Oxidation Catalyst (DOC) Outlet Temperature Sensor.Cummins ISX15 CM2250 (2010-12) Fault Code: 1932 PID: SID 382 SPN: 3556 FMI: 2 Aftertreatment Doser- Data Erratic, Intermittent, or Incorrect. Circuit Description Before active regeneration of the aftertreatment diesel particulate filter, a diagnostic test on the system is performed. The aftertreatment fuel injector opens and relieves fuel pressure in …SPN 4796 31 4. hi there this is what the code means you will have to take it to cummins to repair . i will see if i can find a better explination for you ... keeps throwing code fmi 15 spn 3251 aftertreatment 1 differential trap pressure. least severe level. already replaced differential pressure sensor, ...Trouble Code (DTC) list for SPN 3251 FMI 2, 3 and 4 (DPFDP/outlet pressure). Is EST DTC list free of SPN 3251 FMI 2, 3 and 4? Yes: Go to step 4 No: Repair SPN 3251 FMI 2, 3 and 4. After repairs are complete, retest for SPN 5397 FMI 31. StepAction Decision 4 Using terminal test kit, inspect connections at Diesel ParticulateFile: 680-t06-2359 Page 1 of 11 ISX CM871 Fault Code: 2359 | SPN: 411 | FMI: 16 Exhaust Gas Recirculation Differential Pressure - Data Valid But Above Normal Operating Range - Moderately Severe Level 1 Check for primary fault codes 2 EGR differential pressure sensor stuck in-range 2.1EGR differential pressure sensor flow port check1/3/2014 Other Languages: NONE Author: Steven Bell Viewed: 435 Hide Details Coding Information Copy Link Copy Relative Link Bookmark Add to Favorites Print Provide Feedback Helpful Not Helpful View My Bookmarks 8 1 Title: AFI Fuel Supply Line Rubbing SPN 3556 FMI 7 Codes After Dealer Service Applies To: EPA 2010 IBB MF 11/13/15L DESCRIPTION Associated Faults SPN 3482 (AFTFEC) or SPN 3556 (AFTFP2) Fault Facts None Drive Cycle to Determine Fault Status Road Test Possible Causes • VREF 5 high resistance • SIG GND high resistance • AFTFP2 circuit high resistance • System Leak 3556 7 AFT Fuel Injector not responding as expected (page 1287)• SPN 3556 (AFTFP2) 1 1 and 7 and 7 • SPN 3479 (AFTPC) • SPN 3936 (DPF) ... • SPN 188 FMI O and 1 this fault is detected during two consecutive drive cycles.Code 3556 fmi 1. Shud. 2015 dd15 cascades keeps throwing. Code 3556 fmi 1. Shud. Only get this code when in regen but am getting it all time. Clear code comes back in5 miles. Hello, My name is***** allow me to assist you with your concern. Please allow me a moment to get the information to get this issue addressed.Mar 1, 2020 · DD15 with the fault code or SPN 3556 FMI 18, DOC outlet temp low ( low temp regen). I will take you through some of the steps to resolve this issue and get b... My 2011 international maxforce box truck is running rough and has fault code spn 3556 fmi 1. Aft fuel pressure 2 below - Answered by a verified Technician. We use cookies to give you the best possible experience on our website. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy …Plugged smoke aftertreatment fuel injector White POSSIBLE DIAGNOSTIC TROUBLE CODES 10 ECM AFT PARTS INFORMATION Replace the below gasket and bolts when servicing the HC Injector [aftertreatment fuel injector (AFI) and doser injector]. 3006707C1 BOLT,HEX FLANGE M8 X 45 B16 2 (p/n 3005521C1) 3018016C1.#owneroperator #freightliner #cascadia BUY CASH MERCH HERE!!!https://cash-is-king-trucking.creator-spring.comJoin this channel to get access to perks:https:...Dec 18, 2012 · isx engine with 3556-31, 3556-18 and 5298-31 touble codes. these codes are all for your aftertreatment system A dirty or damaged aftertreatment fuel injector can be to blame for not producing enough heat to properly regen. You should also have the DPF and DOC inspected and or cleaned. The aftertreatment injector should be cleaned every 125k ... Oct 22, 2009 · 2.1.1. Displaying Codes on the VID (if equipped) The VID can be used to display all diagnostic trouble codes (DTC) on the vehicle. Suspect parameter number (SPN), failure mode indicator (FMI) and occurrence count numbers are listed. Source addresses and DTC descriptions are presented in plain text.Hello Daniel, I got back to working on this truck over the weekend, and i am still getting same fault code SPN 3556/FMI 1 - EPA10 Regeneration Temperature - Out Of Range Low - EPA10. Checked ACM Software Level is above 8.7.0.105.Took the box down and Vacuumed cleaned DOC using cleaning tool from DDC, Replaced DPF Filters and Nox temp sensor.SPN 3556/ FMI 1 - EPA10 The diagnostics for these fault codes have been revised and separated by emission year. SPN 3556/ FMI 18 - EPA10 SPN 3556/ FMI 0 - GHG14 SPN …1/3/2014 Other Languages: NONE Author: Steven Bell Viewed: 435 Hide Details Coding Information Copy Link Copy Relative Link Bookmark Add to Favorites Print Provide Feedback Helpful Not Helpful View My Bookmarks 8 1 Title: AFI Fuel Supply Line Rubbing SPN 3556 FMI 7 Codes After Dealer Service Applies To: EPA 2010 IBB MF 11/13/15L DESCRIPTIONMay 14, 2021 · SPN 4364/FMI 18. Description. This fault code sets when the Aftertreatment Control Module (ACM) detects that the NOx conversion is lower than a calibrated threshold Monitored Parameter Selective Catalyst Reduction (SCR) Inlet NOx sensor, SCR outlet NOx sensor Typical Enabling Conditions Diesel Exhaust Fluid (DEF) dosing enabled, 1000 - 1500 rpm ... Mack anthem 2020 necesito saber cuál puede ser la razón por que el camión me pide regenerar avión cada 1 hora le cambie filtros del dpf sensores egr valve y un así no logro resolver **Translated** Mac ... Only code is SPN 3556 FMI 5 ...EEC61 SPN 4364 FMI 1 – Selective Catalyst Reduction Nox Conversion Very Low; EEC61 SPN 4364 FMI 18 – Selective Catalyst Reduction Nox Conversion LOW; EEC61 SPN 3364 FMI 2 – Improper DEF Quality EEC 61 means Aftertreament Control module (ACM). The ACM module controls the DOC, DPF, DEF, SCR operations. Description This code sets …1 05 05-18 SUBJECT DATE SPN 3563 HDEP Inlet manifold pressure Too Low May 2018 Additions, Revisions, or Updates Publication Number / Title Platform Section Title Change DDC-SVC-MAN-0084 EPA07/10/ GHG14 DD Platform SPN 3563/FMI 18 The diagnostic procedure has been rewritten using the procedure from SPN 102/FMI 18. The diagnostic …I have a 2012 MaxxForce Dt9/10 I am getting code 2335 spn 164 fmi 1. I did everything under the valve cover o-rings, pucks, icp sensor, feed oring, injector oring, IPR valve. Still hot it wont build above 445 PSI, cold no problem it starts right up.Hello Daniel, I got back to working on this truck over the weekend, and i am still getting same fault code SPN 3556/FMI 1 - EPA10 Regeneration Temperature - Out Of Range Low - EPA10. Checked ACM Software Level is above 8.7.0.105.Took the box down and Vacuumed cleaned DOC using cleaning tool from DDC, Replaced DPF Filters and Nox temp sensor.Cummins ISX12 CM2250 (2010-12) Fault Code: 1977 PID: SID 382 SPN: 3556 FMI: 5 Aftertreatment Doser Circuit- Current Below Normal or open Circuit. Circuit Description The aftertreatment fuel injector is electronically controlled by the engine electronic control module (ECM) through a pulse width modulated (PWM) signal. The amount of fuel ...1 7 03-14 SUBJECT DATE SPN 3556 (ACM) (EPA10) July 2014 Additions, Revisions, or Updates Publication Number / Title Platform Section Title Change DDC-SVC-MAN-0084 DD Platform SPN 3556/FMI 1 - EPA10 The diagnostics have been updated to include DOC face plugging as a possible cause. 7 03-14 All information subject to change without notice. 3SPN 2797 FMI 6 - Injector Control Group 1 Open Coil - Short Circuit (INJ 1, 2, 3)..1793 Fault Overview..1793 Malfunction Indicator Lamp (MIL) Reaction..1793Feb 28, 2020 · I got codes spn 2791 fmi 11, spn 3821 fmi11, spn 3556 fmi5. Hello, i got codes spn 2791 fmi 11, spn 3821 fmi11, spn 3556 fmi5. I replaced dpf fuel injector 1 and still have those codes.