5246 fmi 15. i have a code of spn 5246 fmi 15. FRIGHTLINER 2011 WITH 2018-10-03 I have a 2013 Freightliner vin 1fujghdv0dsfa0570.Codes spn 3361 fmi 7 Spn 4335 fmi 14Also codes 5246 fmi 15 and 5246 fmi 16.Truck had red been derated to 5 mph.What can I do to fix this issue, or get … read more From justanswer.com

Code 5246 fmi 0 Facebook; Twitter; 0; Code 5246 fmi 0. Asked by Mike jacques, November 26, 2016. Share More sharing options... Followers 0. Answer this question; Ask a question; Question. Mike jacques. Posted November 26, 2016. Mike jacques. Puppy Poster; 5 Location: Hawley texas;

5246 fmi 15. 15 Engine Multiple Cylinder Knock Level: Data Valid But Above Normal Operating Range – Least Severe Level • 0 – SPN7320 – 16 Engine Multiple Cylinder Knock Level: Data Valid But Above Normal Operating Range – Moderately Severe Level Description Tool Number . EZ-Tech ® or equivalent N/A NavKal ™ N/A Battery Charger 55 amp PSC550CC

25 percent derate. VERIFICATION: 1. Parked SCR efficiency test for extended SCR faults. 2. High idle regeneration for DPF and NOx faults. NOTE: For 2010 emission engines, if 5246-0, 5246-15, or 5246-16 are the only faults present, please troubleshoot code 3361-7 instead.

36. Location:lake ariel pa. Posted December 8, 2017. Problem code SPN 5246 Aftertreatment SCR operator inducement severity FMI16 data valid but above normal operational range moderately sever. Then truck goes to derate. Truck has new def pump and doseing valve.I have a 2012 Freightliner box truck with a 6.7 Cummins in it, throwing a 1569 FMI 31, 3360 FMI 02, and 5246 FMI 00.Some sort of DEF fault, but not sure what is going on. ... Active SPN 4334 fmi 2 Active SPN 2588 fmi 15 Inactive ...

Off Road/Industrial Cat. Posted to HD/Fleet Forum on 7/12/2017 9 Replies. Atlas BobCat, Bandit Intimidator Model 1390XP Has a Cat ESN CJ300689. Has 2 Active fault codes SPN 5246 FMI 15 and SPN 5246 FMI 16. Description is Aftertreatment SCR Operator Inducement Severity. Supposed to repair any other codes then cycle key to clear the 5...THIS IS ONE POSSIBILITY ON CLEARING CODES SNP 3361/ SNP 5246 / SNP 4364 ON FREIGHTLINER CASCADIA , THIS CLEAR CODES ON MY TRUCKhttps://youtu.be/t1yuZtAirlwSPN: 5246 FMI: 0/0 Fault Code: 3714: Engine Protection Torque Derate - Condition Exists. SPN: 1569 / FMI: 11/31 . Cummins Fault codes 3712 and 3714. If these fault codes are active, this means the engine performance is already reduced (power derate) and possibly the vehicle speed is also limited.Cat Code SPN 5246 FMI 15. This code is going to be similar to the other SPN 5246 FMI 15 codes. Your engine is about to go into a derate mode because there is a problem in your SCR system that has been ignored. The problem has to do with the SCR not being able to regulate the emissions properly. You cannot delete the DEF in your engine because ...Fault Code: 3712. PID: P105. SPN: 5246. FMI: 0. LAMP: Red. SRT: Aftertreatment SCR Operator Inducement - Data Valid But Above Normal Operating Range - Most Severe Level. Critical SCR related fault codes have been active for an extended period of time and require immediate attention. Immediate engine power derate.I have a 2013 Freightliner vin 1fujghdv0dsfa0570.Codes spn 3361 fmi 7 Spn 4335 fmi 14Also codes 5246 fmi 15 and 5246 fmi 16.Truck had red been derated to 5 mph.What can I do to fix this issue, or get … read more5246 15. 520.2 SPN 5246/FMI 15 - EPA10. Regulatory Fault Ignored - Derate On. For 2011 models, this code sets when the vehicle has been driven for 30 miles while a code is present for the DEF tank level, DEF metering valve, DEF pump, NOx sensors, Blocked DEF line, DEF quality, NOx efficiency, SCR harness and/or SCR sensor.Jul 31, 2019 · A completed regen is the solution for this code. Roy. 520.2 SPN 5246/FMI 15 - EPA10. Regulatory Fault Ignored - Derate On. For 2011 models, this code sets when the vehicle has been driven for 30 miles while a code is present for the DEF tank level, DEF metering valve, DEF pump, NOx sensors, Blocked DEF line, DEF quality, NOx efficiency, SCR ...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 ...

FMI: 0/15. Critical fault codes related to engine operation are active. Possible reduced engine performance.This fault code is for information only, and indicates that an engine power derate has been implemented in order to make sure that the critical fault codes that are presently active in the ECM are addressed as quickly as possible. SPN: 4094.E1389 – Aftertreatment #1 SCR Operator Inducement. This code is an inducement associated with an emissions system fault. The engine is derated, limited to low idle, and can experience 5 minute rolling shutdowns. Probable Causes – Codes in the “Selective Catalyst Reduction System” ECM. An E1389 or 5246 code will come active with another ...having issues with 2015 cascadia dd15 engine regen issues vin 3AKJGLD57FSGB4103 these are the fault codes, 4364 fmi 1, 4364 fmi 18, 3364 fmi 2, 5246 fmi 0, 5246 fmi 15, 5246 fmi 16 … read more Andy

NOTE: For 2010 emission engines, if 5246-0, 5246-15, or 5246-16 are the only faults present, please troubleshoot code 3361-7 instead. Welcome to DTCTRUCK.COM ! Wrap new offers / gift every single day on Weekends – New Coupon code: DTCTRUCK2023 ... SPN 5246 FMI 15 (ACM) Regulatory Fault Ignored – Derate On. Description; Tags; …

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having issues with 2015 cascadia dd15 engine regen issues vin 3AKJGLD57FSGB4103 these are the fault codes, 4364 fmi 1, 4364 fmi 18, 3364 fmi 2, 5246 fmi 0, 5246 fmi 15, 5246 fmi 16 … read more AndyNOTE: For 2010 emission engines, if 5246-0, 5246-15, or 5246-16 are the only faults present, please troubleshoot code 3361-7 instead. NOTE: This is a government mandated code which informs users that fault code has been active for longer then a government specified time interval.NOTE: For 2011 this code sets after SPN 5246/FMI 15 is present and the vehicle has been driven for 220 miles.ECM SPN 5246, Aftertreatment SCR Operator Inducement Severity - MID. 128 PSID 46. Type of. fault: FMI Description: Fault Condition: Possible. Symptoms: Possible Cause: FMI 0 • Data valid but above. normal operational.CODES: Fault Code: 1981. PID (P), SID (S): S324. SPN: 3936. FMI: 0/15. Lamp: Amber. REASON: Aftertreatment Particulate Filter Differential Pressure - Data Valid but Above Normal Operational Range - Least Severe Level. The aftertreatment differential pressure has exceeded the. maximum operating limits or the diesel particulate filter is plugged.

SPN 5246 FMI 0. I have this on a truck that came to the shop today, he has derate 5mph, did a regen on it, it worked for 1 hour, not to sure what to look for. It seems that there is some problem with the SCR, did a research but cant figure it out. Is there any Reset that we can do? Any help will be appreciate. Thanks. Reply. VirusX.I have a volvo vnl 780 and I'm getting an fault code spn 5246 fmi 15 ... Have derate with codes 5394 fmi 17, 5394 fmi 5, 5246 fmi 0, 4094 fmi 18. So I got both nox sensors replaced, dog filter baked, 7th injector replaced, pressure sensor replaced 2013 Volvo d13 ...2. High idle regeneration for DPF and NOx faults. NOTE: For 2010 emission engines, if 5246-0, 5246-15, or 5246-16 are the only faults present, please troubleshoot code 3361-7 instead. NOTE: This is a government mandated code which informs users that fault code has been active for longer then a government specified time interval.HeavyD, i have spn 84 fmi 5, spn 5246 fmi 15, spn 3984 fmi 2, spn 84 fmi 19, spn 84 fmi 15. ... 5246-15 SCR tampering inducement level 1, you have been ignoring a DEF ...I have a 2013 Freightliner vin 1fujghdv0dsfa0570.Codes spn 3361 fmi 7 Spn 4335 fmi 14Also codes 5246 fmi 15 and 5246 fmi 16.Truck had red been derated to 5 mph.What can I do to fix this issue, or get … read moreSpn 5246 fmi 15. 2014 freightliner cascadia dd15. The dpf Yes the dpf clamps were left loose which melted the def dosing unit, both nox sensors def supply and return lines, replaced everything plus harness codes are permanent truck still in derate …25 percent derate. VERIFICATION: 1. Parked SCR efficiency test for extended SCR faults. 2. High idle regeneration for DPF and NOx faults. NOTE: For 2010 emission engines, if 5246-0, 5246-15, or 5246-16 are the only faults present, please troubleshoot code 3361-7 instead.2012 Freightliner cascadiaFault codesSam cab codes. 524071 fmi 31. 521704 fmi 3. 521705 fmi3. 521702 fmi 3. 521708 fmi 3Def codes. Spn 3361 fmi 5. Spn 3364 fmi 17 and fmi 1 and fmi 2. Spn 3936 fmi 18.yesterday I got codes spn 5246 fmi 15 and spn 4094 fmi 18 with Scr performance low asking for parked regen.After finishing regen all codes disappeared.Any idea someone?driving me crazy now. ... Spn 5246 fmi 16 Spn 4094 fmi 18 Truck is 2012 Volvo Achogeo5, Feb 10, 2016. Achogeo5, Feb 10, 2016 #7. Feb 14, 2016 #8. benrab …HeavyD, i have spn 84 fmi 5, spn 5246 fmi 15, spn 3984 fmi 2, spn 84 fmi 19, spn 84 fmi 15. And def tank marks empty. 2015 Prostar n13 ... 5246-15 SCR tampering inducement level 1, you have been ignoring a DEF related fault warning light. 3984-2 not on my list of engine codes, might be from something else ...SPN 5246 FMI 0. I have this on a truck that came to the shop today, he has derate 5mph, did a regen on it, it worked for 1 hour, not to sure what to look for. It seems that there is some problem with the SCR, did a research but cant figure it out. Is there any Reset that we can do? Any help will be appreciate. Thanks. Reply. VirusX.I HAD A SPN 3361 FMI 7 SO WE REMOVED THE DOSER AND CLEANED CODE ERASED NOW WE ONLY HAVE A SPN 5246 SPN 0 5246 FMI 15 5246 FMI 16 THESE WILL NOT ERASE ... 5246-15 & 5246-16, I can't find anything to tell me how to fix it. I am at my roads en ...Here's a list of common Cummins X15 fault codes along with their meanings: SPN 1569/FMI 31 - Engine Protection Torque Derate - Condition Exists: This code indicates that the engine has reduced its power output due to a detected issue, and the torque output is being limited to protect the engine. SPN 5246/FMI 0 - Aftertreatment Diesel ...SPN 5246 FMI 15 Cascadia. For the 2014 model, this code is telling you that you are in a derate mode. The solution is to do a complete regen. Then, the information provided above for the 2011 and 2010 models applies here as well. The reason you are sent into derate is that you ignored another fault code for some time.I have a 2013 volvo with the d13 engine that is throwing codes Spn 5246 fmi 0 and SPN 4094 fmi 18,. It has went into derate and is requesting a parked regen, which I've done to no avail. I did clean the seventh injector, and found a leak on the egr crossover pipe that was replaced.E1389 – Aftertreatment #1 SCR Operator Inducement. This code is an inducement associated with an emissions system fault. The engine is derated, limited to low idle, and can experience 5 minute rolling shutdowns. Probable Causes – Codes in the “Selective Catalyst Reduction System” ECM. An E1389 or 5246 code will come active with another ...We compare AutoBuy vs. CarMax vs. We Buy Any Car. Find out about the appraisal process, requirements, and more before selling your car to one of these companies. AutoBuy, CarMax, a...having issues with 2015 cascadia dd15 engine regen issues vin 3AKJGLD57FSGB4103 these are the fault codes, 4364 fmi 1, 4364 fmi 18, 3364 fmi 2, 5246 fmi 0, 5246 fmi 15, 5246 fmi 16 … read more Andy

This fault code is actually very simple, it simply means the the DPF filters inside the One Box have reached their limit and require maintenance. They must b...Noram 65e turbo weiler sn. 65ET-10178 with a Caterpillar c3.4b active events on cat et service are spn 5246 fmi 0, 5246-15, 5246-16 cannot do a regen. Computer says not idle on idle status and Connot … read moreWelcome to your gift-buying strategy guide for that one person who’s impossible to shop for. On the one hand, giving a gift is a gesture of affection; on the other hand, gifts are ...The dreaded fault code that causes the 5 MPH derate! This fault is related to the "SCR Inducement" which is what regulates your truck to this derate. Cummins Fault Code - 3712 or SPN 5246 FMI 0. Notification - Red Stop Engine Light On. Information - Aftertreatment SCR Operator Inducement - Data Valid But Above Normal Operating Range ...FMI: 0/15. Critical fault codes related to engine operation are active. Possible reduced engine performance.This fault code is for information only, and indicates that an engine power derate has been implemented in order to make sure that the critical fault codes that are presently active in the ECM are addressed as quickly as possible. SPN: 4094.SPN 5246 FMI 0. I have this on a truck that came to the shop today, he has derate 5mph, did a regen on it, it worked for 1 hour, not to sure what to look for. It seems that there is some problem with the SCR, did a research but cant figure it out. Is there any Reset that we can do? Any help will be appreciate. Thanks. Reply. VirusX.2016 freightliner cascadia. 4 codes popped up while mil ligth yellow check engine and def light blinking. eec 61 3364 fail 2 eec 61 4364 fail 18 eec61 5246 fail 15 eec 61 5246 fail 16 Did a parked regen and lights went away. this is somehting that happens often. Other drivers tell me of the same problem

NOTE: For 2011 models, this code sets when the vehicle has been driven for 30 miles while a code is present for the DEF tank level, DEF metering valve, DEFNOTE: For 2010 emission engines, if 5246-0, 5246-15, or 5246-16 are the only faults present, please troubleshoot code 3361-7 instead. NOTE: This is a government mandated code which informs users that fault code has been active for longer then a government specified time interval.520.1 SPN 5246/FMI 0 - EPA10. Regulatory Fault Ignored - Final Action (Speed Limit) For 2011 models this code sets when SPN 5246/FMI 16 is present and the fuel was refilled more than 15 percent or SPN 5246/FMI 16 is present, 30 gallons of fuel has been used and the vehicle has been restarted.May 24, 2019 · Def light is flashing and showing codes spn 5246 fmi 15 and 16 plus spn 5397 fmi 31, spn 4364 fmi 18 and spn 3364 fmi 2 … read more. Dd15 yellow def low level light is flashing def full. Check. Dd15 yellow def low level light is flashing def full. Check engine light is on.Eec 61, spn 5246 is This diagnostic is typically Regulatory Fault Ignored - Final Action (Speed Limit). For 2011 models this code sets when SPN 5246/FMI 16 is present and the fuel was refilled more than 15 percent or SPN 5246/FMI 16 is present, 30 gallons of fuel has been used and the vehicle has been restarted.SPN 3226/FMI 13 - EPA10 - GHG14, SPN 3216/FMI 13 - EPA10, SPN 3216/FMI 13 - GHG14 July 2013 Additions, Revisions, or Updates Publication Number / Title Platform Section Title Change ... If the resistance is less than 5 ohms, Go to step 15. 15. Test ACM internal resistor; measure the resistance between pins 40 and 41 on the ACM 120-pin ...Detroit DD15 EPA10 (2010-13) Fault Code: SPN 5246 FMI 15 (ACM) Regulatory Fault Ignored – Derate On NOTE: For 2011 models, this code sets when the vehicle has been driven for 30 miles while a code is present for the DEF tank level, DEF metering valve, DEF pump, NOx sensors, Blocked DEF line, DEF quality, NOx efficiency, SCR harness and/or SCR ...15): SPN 5541, 5542, 5543 ŁUsing EST check fault codes •Look for 5541, 5542 (Except FMI 15), 5543 •Are any of these faults present? Yes: diagnose these faults before 5542-15 No: Go to step 2 StepAction Decision 2 Check for a SPN 3719 (DPF soot load) fault codes present in ECM •Using EST check fault codes •Look for SPN 3719 FMI 0 or 16A fault code in John Deere machinery is a blend of a Diagnostic Trouble Code (DTC) and a Fault Mode Identifier (FMI). The DTC is a trio of digits where the inaugural digit pinpoints the broad problem area, the subsequent digit hones in on the subsystem, while the last digit zeroes in on the precise component.Aug 5, 2019 · FREIGHTLINER CASCADIA 5 MPH DERATE BYPASS / FIVE MILES PER HOUR DERATE SPEED SENSOR, ONLY FOR EMERGENCY!!#FREIGHTLINER #CASCADIA #TRUCKING #SPN52462012 Freightliner cascadiaFault codesSam cab codes. 524071 fmi 31. 521704 fmi 3. 521705 fmi3. 521702 fmi 3. 521708 fmi 3Def codes. Spn 3361 fmi 5. Spn 3364 fmi 17 and fmi 1 and fmi 2. Spn 3936 fmi 18.Learn how to fix the EEC 61 fault code on your Freightliner Cascadia with this helpful video. See the common causes and solutions for this problem.DEF PROBLEMS?CONSTANTLY PERFORMING REGENS?spn 5246 fmi 0freightliner cascadia one box is not operating to it full capability one box replacement neededparts ...Dec 8, 2023 · having issues with 2015 cascadia dd15 engine regen issues vin 3AKJGLD57FSGB4103 these are the fault codes, 4364 fmi 1, 4364 fmi 18, 3364 fmi 2, 5246 fmi 0, 5246 fmi 15, 5246 fmi 16 … read more AndyI have a 2013 Freightliner vin 1fujghdv0dsfa0570.Codes spn 3361 fmi 7 Spn 4335 fmi 14Also codes 5246 fmi 15 and 5246 fmi 16.Truck had red been derated to 5 mph.What can I do to fix this issue, or get … read moreFREIGHTLINER CASCADIA 5 MPH DERATE BYPASS / FIVE MILES PER HOUR DERATE SPEED SENSOR, ONLY FOR EMERGENCY!!#FREIGHTLINER #CASCADIA #TRUCKING #SPN5246Fault code spn 3216 fmi 5 Spn 3226 fmi 12 Spn 5246 fmi 16. Fault code spn 3216 fmi 5 Spn 3226 fmi 12 Spn 5246 fmi 16 Spn 5298 fmi 18 Son 3226 fmi 13 Spn 5394 fmi 5I cleared the codes and following came … read more. Mike Mcmillan. Shop Foreman/Triage Tech. Associates.

Code: FMI 5 SPN 3361 Lights: MIL and sometimes CEL Code: FMI 15 SPN 5246 Lights: CEL (on and off) , MIL and DEF lights blinking when CEL is on 1st week this started happening I only had SPN 3361 and from the looks of it the truck was still eating DEF. Sometimes it would stay on for 100-200 miles and then it would go away.

Spn 5246 fmi 15. 2014 freightliner cascadia dd15. The dpf Yes the dpf clamps were left loose which melted the def dosing unit, both nox sensors def supply and return lines, replaced everything plus harness codes are permanent truck still in derate …

having issues with 2015 cascadia dd15 engine regen issues vin 3AKJGLD57FSGB4103 these are the fault codes, 4364 fmi 1, 4364 fmi 18, 3364 fmi 2, 5246 fmi 0, 5246 fmi 15, 5246 fmi 16 … read more Andy2016 Freightliner Cascadia.fault code TxId: 61 SPN: 5443 - Aftertreatment 1 Hydrocarbon Dosing System FMI: 15 (High—least severe) Count: 1can you help me with what this code means? ... I HAVE A 2015 Freightliner cascadia DD15 with a headache code 5246 FMI 15 ...I have 4 faults fault 1 eec 61 spn 5246 fail 0, fault 2 eec 61 spn 4375 fail 5, fault 3 eec 61 spn 5246 fail 15, fault 4 - Answered by a verified Technician. We use cookies to give you the best possible experience on our …Feast your eyes on some of the priciest homes on the planet. By clicking "TRY IT", I agree to receive newsletters and promotions from Money and its partners. I agree to Money's Ter...SPN 5246/FMI 15. DescriptionThis Code Sets When There is a Code Present for the Diesel Exhaust Fluid (DEF) Tank Level, DEF Dosing Unit, DEF Pump, NOx Sensors, Blocked DEF Line, DEF Quality, NOx Efficiency, Selective Catalyst Reduction (SCR) Harness and/or SCR Sensor.Meet the Experts. To have 3 code spn 1761 fmi 10. 74470459 qsb6.7. Replaced def tank and header unit. 1761-10 1569-31 and 5246-0 - Answered by a verified Technician.Fault Code: 3712. PID: P105. SPN: 5246. FMI: 0. LAMP: Red. SRT: Aftertreatment SCR Operator Inducement - Data Valid But Above Normal Operating Range - Most Severe Level. Critical SCR related fault codes have been active for an extended period of time and require immediate attention. Immediate engine power derate.Cummins ISB6.7 CM2350 (2013-17) Fault Code: 6254 PID: SPN: 5246 FMI: 16 Aftertreatment SCR Operator Inducement Severity - Data Valid But Above Normal Operating Range - Moderately Severe Level Critical fault codes related to engine operation are active. ... Detroit $ 15.00. Rated 0 out of 5. download MANCATS II v14.01 2014 Diagnostic ...

how to get promotion points army 2023scratch and dent appliances lebanon tnxirena face revealallegiant air airline pilot central 5246 fmi 15 what a great song does in slang crossword clue [email protected] & Mobile Support 1-888-750-6645 Domestic Sales 1-800-221-7090 International Sales 1-800-241-5418 Packages 1-800-800-7266 Representatives 1-800-323-2744 Assistance 1-404-209-8865. Specific Topic Forums for Antique & Modern Trucks. Engine and Transmission. I have a 13 Granite with 10 emissions. active code spn 5246 after treatment scr operator inducement severity, fmi 0 data valid but above operating range. the ptt yesterday sent the tech to the scr test module, doser passed all 3 tests. then it said computer needs .... 1730 tap house carroll iowa Hello I have a 2013 volvio 780 with a D13 that will not regen when driving truck keeps asking for parked regen, the codes that show active are SA 0 SPN 4094 FMI 18, SA 0 SPN 5246 FMI 15. Thanks in adv … read more%PDF-1.7 4 0 obj /Filter /FlateDecode /Length 22400 >> stream xœí½I’ãÐ$º¯SpýÌ A$ Ñg(³î ¡\tß ñ(‰ˆð ¨!%åP k• â„9 x K\þuñ £ü#ØßÆ9µ?ÿ~üù¿ úö?ûÇÿû? ì#?þL}5Ò#JûX*ÿ }ñÿüùß þ ¾ß¾Š~ ¦Ã8žÿJóaˆóòïôñqûÖ OçŽé c]¿$ ‡a¼&M‡2RcúË a” „ó5!ÜÞ ætE ¯çÛ=atº7bßrCéEØúe æÖÎtȽÓNs? Ùõ~Ïýa8uB: V®çÁúø ... somi dominican hair salonm2a4 57344 pill FMI 15 De-Rate ** SPN 5246 FMI 16 4) Final Inducement 5mph De-Rate SPN 5246 O 35 45 25 , 60 MPH 75 1+0 230 3/4 3/4 60 90 —.30 90 --30 120 E Bus—Pod gauge CE / Durastar— NGV Cluster -ÑonHRZN HRZN Clust . SSI DATE CODE AND SERIAL NUMBER SSI PART NUMBER NAVISTAR NUMBER . DEF . d079 task 2judici com rock island county illinois New Customers Can Take an Extra 30% off. There are a wide variety of options. 517.2 SPN 5246/FMI 15 - EPA10. Regulatory Fault Ignored - Derate On. For 2011 models, this code sets when the vehicle has been driven for 30 miles while a code is present for the DEF tank level, DEF metering valve, DEF pump, NOx sensors, Blocked DEF line, DEF quality, NOx efficiency, SCR harness and/or SCR sensor.Spn 5246 fmi 15. 2014 freightliner cascadia dd15. The dpf Yes the dpf clamps were left loose which melted the def dosing unit, both nox sensors def supply and return lines, replaced everything plus harness codes are permanent truck still in derate …SPN 5246/FMI 15. DescriptionThis Code Sets When There is a Code Present for the Diesel Exhaust Fluid (DEF) Tank Level, DEF Dosing Unit, DEF Pump, NOx Sensors, Blocked DEF Line, DEF Quality, NOx Efficiency, Selective Catalyst Reduction (SCR) Harness and/or SCR Sensor.