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This spn fmi codes help explain the underlying meaning of the numerical components which build an engine fault code. - This is not a comprehensive list, or an alternative to the standard fault diagnostic process and only serves as a supplemental reference.Stuck in PA under a load with 5mph derate. It started out with the SPN 3364 FMI 2 (bad DEF quality, conversion low) and associated derate codes. I ran a regen or two, and the SPN 3364 cleared. But the SPN 5246 derate codes are still there! And now there is SPN 5397 FMI 31 - too many regens?!SPN 3719 FMI 31. The SPN 3719 FMI 31 code tells you the following information- Dpf Zone 2 Condition: Diesel Particulate Filter 1 Soot Load Percent Condition Exists. The FMI part of the code is only 2 words- condition exists. What this means is that when you see SPN 3719 you know that there will be a problem with soot and it is probably building ...523002 Manufacturer Assignable SPN - See Description. 31 Condition exists. This is going to be a fault code that is logged within your SAM module for a programmed accessory on your truck. I would check all of your interior and exterior lights on the truck as well as all your accessories to see if you have any accessories that are not working.2 SPN 520230/FMI 5 - GHG14. Table 1. Table 2. This fault code sets when the Integrated Predictive Powertrain Control (IPPC) module detects that there is an open in the powertrain CAN circuit. All information subject to change without notice. All information subject to change without notice. Connect DiagnosticLink ®.Detroit Diesel EPA 2010 and newer engines will often have active and inactive codes for the DEF system. There are a variety of Detroit DEF and SCR tests that exists, which we want to make you aware of. The following is a shortlist of possible codes that you could see: SPN 3361 FMI 0. SPN 3361 FMI 1. SPN 3361 FMI 3. SPN 3361 FMI 4. SPN 3361 FMI 5.SPN 3719 is a diagnostic code that indicates a problem with the diesel particulate filter (DPF) system in a Freightliner truck. The DPF is a device that traps and burns the soot particles from the exhaust gas, reducing the emissions and improving the fuel efficiency of the engine. However, the DPF needs to be periodically cleaned by a process ...SPN: 3050 FMI: 11/31 Lamp: Amber REASON: Catalyst Missing - Condition Exists. The aftertreatment catalyst in the exhaust system is not present. ... SPN 91 - FMI 2 (Fault Code 1242) SPN 3241 - FMI 11 (Fault Code 1663) Blog.Teknisi. Subscribe to receive free email updates:2012 Freightliner Cascadia Isx15 Spn 157 Fail 16 popped up a week ago technician helped me figure out it was a o-ring on my fuel pump actuator. ... SPN 521049 FMI 31, SPN 521050 FMI 31, and SPN521052 FMI 31. The DEF qualit, quantity and doser are workingpr ...It shows codes apn 521049 fmi 31, spn 521050 fmi 31 spn 521052 fmi 31, spn 520372 fmi 16 and 520349 fmi 14. ... 2019 freightliner cascadia has these codes spn 521049 FMI31, SPN521050 FMI 31 and SPN 521052 FMI 31. it has derate to about 5 mph. did a regen with computer couple times its finishing it no problem bu ...On a 2017 freightliner Cascadia VIN. 3AKJGLDR8HSHF1248 I'm getting codes SPN 520372 FMI 16, SPN 521049 FMI 31, SPN 521050 FMI 31, and SPN521052 FMI 31. The DEF qualit, quantity and doser are workingpr … read more523521 31 is a code for an extra sub bus switch seen by the MSF. You will need to go to the dealer to get servicelink connected in order to determine which sub bus switch input is being seen as extra. This can vary based on the trucks options when it was set up at the factory or dealer before delivery. 49 523531 31 — — — Extra Sub bus switch.Make: DetroitEngine: DD15 GHG17 (2017 & Newer)PID: N/ASPN: 520329FMI: 31. Description: DEF Flow Quantity Below Normal. Troubleshooting: DESCRIPTION: Diesel Exhaust Fluid (DEF) pump speed low. MONITORED PARAMETER: DEF pump speed. TYPICAL ENABLING CONDITIONS: DEF pump enabled and cannot operate above a DEF pump speed threshold.2019 freightliner cascadia has these codes spn 521049 FMI31, SPN521050 FMI 31 and SPN 521052 FMI 31. it has derate to about 5 mph. did a regen with computer couple times its finishing it no problem bu … read moreIt shows codes apn 521049 fmi 31, spn 521050 fmi 31 spn 521052 fmi 31, spn 520372 fmi 16 and 520349 fmi 14. ... 2019 freightliner cascadia has these codes spn 521049 FMI31, SPN521050 FMI 31 and SPN 521052 FMI 31. it has derate to about 5 mph. did a regen with computer couple times its finishing it no problem bu ...2019 freightliner cascadia has these codes spn 521049 FMI31, SPN521050 FMI 31 and SPN 521052 FMI 31. it has derate to about 5 mph. did … read more. Daniel Wilson. Associate Degree. 7,141 satisfied customers.1 08 05-18 SUBJECT DATE SPN 521049 (TCM) August 2018 Additions, Revisions, or Updates Publication Number / Title Platform Section Title Change DDC-SVC-MAN-0140 DT12 SPN 521049/FMI 7 This is a new procedure.Freightliner cascadia 2018. 452K - Answered by a verified Technician. We use cookies to give you the best possible experience on our website. ... On a 2017 freightliner Cascadia VIN. 3AKJGLDR8HSHF1248 I'm getting codes SPN 520372 FMI 16, SPN 521049 FMI 31, SPN 521050 FMI 31, and SPN521052 FMI 31. ...Ramses Gastelum 2 posts since Jan 31, 2015 523013/31 seat occupation not ok. Jul 24, 2020 4:55 PM looking for solutions for code 523013/31 seat occupation not ok vrdu02 is throwing the code. cant find any troubleshooting on it or any information. thanks. Kyle Siebert 3,999 posts since Nov 14, 2014 Re: 523013/31 seat occupation not ok. Jul 24 ... On a 2017 freightliner Cascadia VIN. 3AKJGLDR8HSHF1248 I'm getting codes SPN 520372 FMI 16, SPN 521049 FMI 31, SPN 521050 FMI 31, and SPN521052 FMI 31. The DEF qualit, quantity and doser are workingpr … read more No; Go to step 2. Check the SPN 3216/FMI 13 DTC occurrence counter. If the DTC occurrence counter is 5 or less, clear the fault and release the vehicle. If the DTC occurrence counter is greater than 5, Go to step 3. Disconnect the SCR inlet NOx sensor. Inspect the SCR inlet NOx sensor harness for bent, spread, or corroded pins.

Apr 14, 2022 · On a 2017 freightliner Cascadia VIN. 3AKJGLDR8HSHF1248 I'm getting codes SPN 520372 FMI 16, SPN 521049 FMI 31, SPN 521050 FMI 31, and SPN521052 FMI 31. The DEF qualit, quantity and doser are workingpr … read more Feb 2, 2021 · and 1.4. Ω. , Go to step 4. 4. Disconnect the 120-pin Motor Control Module (MCM) connector and check for corroded, bent or broken pins. Ensure. both the MCM and harness connector pins are checked. Repair or replace if needed. 5. Technician: Daniel Wilson. 37 523512 31. pin 16,pin 21 J1939 CAN performance J1939 performance failure occurs when the J1939 High is shorted to GND, the J1939 Low is shorted to BAT, the J1939 resistance is not equal to 60 ohms, or the J1939 Low is shorted to J1939 High.Disconnect the batteries and measure the resistance between J1939+ and J1939-.SPN 524/FMI 9 also Alert no trans data J1938 so I think it won't start because it can tell what gear it's in - Answered by a verified Technician. ... One of my drivers is reading me 3 codes that his 2014 Freightliner is showing--SPN 973 engine retarder selection FMI-9 abnormal update rate ...

This adds a software step and schematic. 2 SPN 723/FMI 31 - EPA07 - EPA10 - GHG14. 2 SPN 723/FMI 31 - EPA07 - EPA10 - GHG14. Backwards Running Engine Detected. This may be due to an engine temporarily running in a reverse direction. Symptoms include smoke exiting from intake manifold and a low idle speed, possibly due to a leaky injector.On a 2017 freightliner Cascadia VIN. 3AKJGLDR8HSHF1248 I'm getting codes SPN 520372 FMI 16, SPN 521049 FMI 31, SPN 521050 FMI 31, and SPN521052 FMI 31. The DEF qualit, quantity and doser are workingpr … read more…

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. DD15 CCV pigtail SPN 5444 FMI 1 AlexD13 posted Apr 19, 2024. Air t. Possible cause: 2011 Freightliner Cascadia VIN 1FUJGEDV4BSBC6525 10 Speed. DD15 or DD13 Driver .