Freightliner cascadia diagnostic codes

Aug 4, 2019 ... Comments95 ; Freightliner Cascadia Blinking Def Light w/ Codes and Derate. Geared Low & Slow · 61K views ; How to fix DEF metering valve on ...

Apr 18, 2020 · The ADs are identified in DiagnosticLink by the magic wand icon next to the fault, and the word "Advanced" label in the "Troubleshooting Type" field. SCR NOx Conversion Efficiency. SPN 4364/FMI 17. DescriptionThis Code Sets When the Aftertreatment Control Module (ACM) Detects Poor Selective Catalyst Reduction (SCR) NOx Conversion Efficiency. Have a 2010 Freightliner Cascadia. Engine is a later generation detroit series 60, Engine is derating and check engine light coming on. Getting the following codes from diagnostic computer: SPN 3509 F … read morefive seconds, the gear display begins flashing two-digit fault codes. If there are no active codes the gear display will show code 25. If there are inactive codes PD (Product Diagnostic mode) will be displayed. The vehicle will not start in PD mode. You must turn vehicle key OFF and allow the system to power down to exit PD mode before restarting. 6. Start the engine, using Diagnostic Link run the NOx Sensor Verification test located in the drop down menu under Actions / Aftertreatment. 7. Did the NOx Sensor Verification test pass? a. Yes; Go to step 8. b. No; replace the inlet NOx sensor. Refer to section "Removal of the Selective Catalytic Reduction Inlet NOx Sensor". 8. 2. Using DiagnosticLink ®, check for any outlet NOx sensor communication or voltage fault codes. Are any other fault codes present? a. Yes; repair those fault codes first. b. No; Go to step 3. 3. Disconnect the outlet NOx sensor electrical connector. 4.Freightliner OBD/OBD2 Codes >> DD15 GHG14 MCM2.1 Fault Codes. SPN: FMI: MCM2.1 Fault Code Description GHG14: 51: 2: Intake Throttle Position Deviation Error: 51: 3:

Common Mercedes-Benz diagnostic fault codes include P0466, B1000 and C1000. These codes normally indicate faults in the vehicle’s circuit, body and chassis. P0466 signals a problem...Detroit Connect Virtual Technician ®. Virtual Technician is the integrated remote diagnostic system for Freightliner trucks equipped with Detroit ® engines. With Virtual Technician, fleets and owner-operators know within minutes when their engine or after treatment system experiences a fault event, the severity of the fault and when, where …One of the charges leveled against psychiatry’s diagnostic categories is that they are often “politically One of the charges leveled against psychiatry’s diagnostic categories is t...If fault does not re-occur, clear code and release vehicle. If starter does not properly engage the flywheel some possible causes may be: Starter motor alignment Starter drive damage Incorrect starter installed Flywheel damageIt still maybe a MCM issue. Jesse Gutierrez 430 posts since Mar 5, 2017 Re: DD13 ghg17 cascadia with spn677 fmi31 Oct …If active fault codes are displayed on the diagnostic information screens, make a note of the fault code and text message, then take the vehicle to an authorized Freightliner service facility See Fig. 4.19 for a diagram of the diagnostic information screens.Plugged aftertreatment differential pressure sensor ports could cause this fault code if pressure is held in the port after the engine is turned off. CODEREASONEFFECT. Fault Code: 1883. PID: S324. SPN: 3251. FMI: 2/2. LAMP: Amber. SRT: Aftertreatment Diesel Particulate Filter Differential Pressure Sensor - Data Erratic, Intermittent, or Incorrect.

May 7, 2022 ... Comments10 ; Cascadia Detroit 15 missing ACM spn 625 fmi 9. Diagnostic North Diesel · 2.2K views ; Understanding SPN & FMI Fault Codes. #spn #fmi.If active fault codes are displayed on the diagnostic information screens, make a note of the fault code and text message, then take the vehicle to an authorized Freightliner service facility See Fig. 4.19 for a diagram of the diagnostic information screens.I have 2017 FreightLiner Cascadia 3AKJGLDR3HSHR5887 Vehicle Attributes Engine: 6 - 14.8L 903ci DIESEL type DD15 - Submodel: 125 Body Type: Tractor Truck - Long Conventional Drive Type: 6 X 4 One Active Code DPFFilter Efficiency Too Low No Associated Parameter SPN 520349 FMI14.If no contamination is found, install removed fittings. Go to step 14. 14. Disconnect both the air outlet supply lines from tee fitting (3) on the Pressure Limiting Unit (1). 15. Plug off one side of the tee connector (3) and connect an appropriate air pressure gauge 0-1,379 kPa (0-200 psi) on the other side. If no codes are active, the gear display will flash code 25 (no codes). 6. Two digit fault codes will be displayed in the gear display. Record the codes. A one or two second pause separates each stored code, and the sequence automatically repeats after all codes have been flashed. Clearing Fault Codes 1. Start with the key in the ON position.

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Computers have (happily) advanced to the point where we spend more time getting work done on them than we do fixing them, you still occasionally need a solid diagnostic tool. What ...Go to step 3. to verify repair. 3. Clear fault codes. Turn ignition OFF and disconnect DiagnosticLink. Wait five minutes for all modules to power down. Verify repair. All information subject to change without notice. 2 12-14. This diagnostic is typically DPF Filter Soot Level is High.The OTR Reset Tool and the OBD2 Scanner are the most common diagnostic tools. The well-known OTR Reset Tool is the most convenient way to clear Freightliner fault …Working on a 2014 freightliner cascadia vin#FL4087 fault codes 5927-2 & 3510-4 oil gauge is at zero, just change oil pressure sensor..truck runs fine ... I have 2015 Freightliner Cascadia with the emission system deleted. The DEF coolant hose broke off which caused the truck to lose coolant. Would there have been something that caused …Feb 23, 2020 ... Comments104 ; Freightliner Detroit Check Engine Codes. Double D Distribution · 111K views ; Prime Inc. Makes Public Announcement To 9442 Truck ...The new Diagnostic and Statistical Manual of Mental Disorders, 5th Edition (DSM-5) has a number of changes to The new Diagnostic and Statistical Manual of Mental Disorders, 5th Edi...

How to Reset Fault Codes on Freightliner Cascadia. The Cascadia is the most popular model among Freightliner trucks. Thus, many truckers also use this and encounter similar issues. Since a truck needs regular repairs, you must reset the fault codes after a diagnostic test or maintenance to prolong your truck’s life. If you do not know how to …Here is a picture of the fault codes. I can write them out if you need me to Sid 231 fmi 5 Sid 231 fmi 6 Sid 2 fmi 10 Sid 231 fmi 9 First 2 active… second 2 inactive. I have attached what comes up for these codes. Thanks. You're welcome. I have attached the wiring diagrams for the J1939 to help you troubleshoot.GHG14 ACM2.1 Fault Codes SPN FMI ACM2.1 FAULT CODE DESCRIPTION GHG14 5488 5 SCR Line Heater #5 Circuit Failed Open 520232 9 NOX Mass Signal Not Available via CAN 520323 3 High Side Digital Output Supply Voltage Circuit Failed High 520323 4 High Side Digital Output UV_DOS Circuit Failed Low 520326 3 Under pressurized DEF systemI have a 2011 Freightliner Cascadia. I have two Fault codes. I had the A/C on today and it never seemed to get cold. Any ideas on where two start. 1. check wiring to ac clutch for broken or frayed wires. check the connector for damaged pins. 2. check all your lights. make sure all your lights work.I have a 2011 Freightliner Cascadia. I have two Fault codes. I had the A/C on today and it never seemed to get cold. Any ideas on where two start. 1. check wiring to ac clutch for broken or frayed wires. check the connector for damaged pins. 2. check all your lights. make sure all your lights work.3. Check for multiple fault codes. Are there any aftertreatment system fault codes present? a. Yes; diagnose the other fault codes. b. No; Go to step 4. 4. Check the Aftertreatment Control Module (ACM) software level. Is the ACM software level lower than 7.56.7.0? a. Yes; update the ACM software to the latest available on the server. b. No; Go ...Custom-built Freightliner vehicles are equipped with various chassis and cab components. Not all of the information contained in this manual applies to every vehicle. For details …All Freightliner New Cascadia trucks. Symptoms RDF SPN 523005 FMI 7 and VRDU SPN 524042 FMI 19 Fault Codes Issue RDF mounting misaligned after front bumper repair, replacement, or front end collision. Solution Inspect the RDF for damaged, bent, broken, or loose mounting hardware.OTR Diagnostics Tool 🔧https://otrperformance.com/?ref=thegoldentruckerCoupon Code 5% OFF: THEGOLDENTRUCKERFollow Me On Social Media 🌐Instagram: https://ww...Today we check it out the diagnostics menu on the 2019 Cascadia. I tried to explain a little about it, if you have any questions feel free to ask down below ...

I was also slightly rushed for work, so did not have time to tear into anything. Also, there is no MIL on the dash, which tells me it OK to drive. From what I understand, CAB codes are temperamental. Any insight would help. Thanks::Fault::-CAB 33-SPN 520403-Fail 31::Truck Info::-2012 Freightliner Cascadia (last 8 of Vin: CSBV9904)

Ask Your Own Medium and Heavy Trucks Question. See this pic Now in diagnostic Now in diagnostics these 2 faults Number 1 is this. Technician: Siebert, Kyle. Thats a MIL, Malfunction Indicator Lamp.. 520268/FMI 16 is Fuel Rail Pressure Low. Diag says look into 157/16 codes. Ask Your Own Medium and Heavy Trucks Question. Number 2 is this ... Freightliner SPN Fault Code Guide Download. PARAMETER IDENTIFIERS (PIDS) Parameter IDs or PIDs are numbers and names used to identify the displayed data. So think if the PID is in terms of "readings" such as oil temperature, coolant level, distance traveled, engine rpm and so on. PID is a J1708 term and PID is 0 to 511. Mar 23, 2022 ... Comments10 · Freightliner Cascadia P4 126 ambient temperature sensor problem spn 171 fmi 3 2017 to 2024 · Symptoms of a Bad Ambient Air ... a. Yes; Go to step 2. b. No; update the MCM software level and perform the verification procedure in the table above. If the fault code does not return, release the vehicle. If the fault code returns or if unable to duplicate verification cycle, Go to step. 2. 2. Turn the ignition ON (key ON, engine OFF). 2016 Freightliner Cascadia. code is on TxId: 1 SPN: 3464 –. 2016 Freightliner Cascadia. code is onTxId: 1 SPN: 3464 – Engine Throttle Actuator 1 Control Command FMI: 16 (High—moderate … read more. Technician: Daniel Wilson. SPN 639/FMI 9 -This diagnostic is typically J1939 PROP11 Message is Missing. 1. Check for multiple codes: a. If other faults are present, troubleshoot those faults first. This could be an indication to which communication line is missing. b. If SPN 4356 FMI 5 is Set. The other code that may appear with SPN 4357 FMI 5 is SPN 4356 FMI 5 and that code stands for - Scr Line Heater #3 Circuit Failed Open. The repair is going to be similar to the previous repair with one minor difference. Instead of repairing heaters 2 & 4, you will be repairing the #2 pin of line heaters 3 & 4.

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I am dealing with a p4 Cascadia, where the original codes were 703/5, 704/5, 520213/31, 520727/13, and 520525/5. Numerous techs have been on this between wabco and freightliner the 3/2 valve the abs ecu, the trailer modulator, the esc module all have been replaced. There is a long list of wiring checks that have been done. Full list of Freightliner Truck DTC SPN error codes in order with descriptions. Component Codes (MID) - MID Description Old. 128 Engine 1 - ENGINE - ENG. 130 Automatic …Oct 13, 2019 · ebay store: https://www.ebay.com/str/dieseltruckrepairwebsite: https://dieseltruckrepairllc.com/I’ll show you how to read fault codes on your Freightliner tr... If no codes are active, the gear display will flash code 25 (no codes). 6. Two digit fault codes will be displayed in the gear display. Record the codes. A one or two second pause separates each stored code, and the sequence automatically repeats after all codes have been flashed. Clearing Fault Codes 1. Start with the key in the ON position. Don't forget to Subscribe! - https://goo.gl/XtV9CJCheck out our Merch! - https://thedieseler.myteespring.co/Support these videos on Patreon! - https://www.pa... The Freightliner diagnostic scanner enables you to read and erase the fault codes that relate to the check engine light on your truck, as well as read vital live engine data. It works on all Freightliner Trucks listed in the drop down box below. Choose your Freightliner truck year and model from the drop down list just below.Dec 14, 2018 · I was also slightly rushed for work, so did not have time to tear into anything. Also, there is no MIL on the dash, which tells me it OK to drive. From what I understand, CAB codes are temperamental. Any insight would help. Thanks::Fault::-CAB 33-SPN 520403-Fail 31::Truck Info::-2012 Freightliner Cascadia (last 8 of Vin: CSBV9904) I am dealing with a p4 Cascadia, where the original codes were 703/5, 704/5, 520213/31, 520727/13, and 520525/5. Numerous techs have been on this between wabco and freightliner the 3/2 valve the abs ecu, the trailer modulator, the esc module all have been replaced. There is a long list of wiring checks that have been done.Dec 16, 2023 ... How to clear the SCR closed loop at maximum limit SPN 520372 FMI 16 fault code. If this fault code is ignored long enough it will trigger ...What is Freightliner code SPN 2791 FMI 2? According to one data sheet, this is the problem that the code is warning you about- DATA ERRATIC, INTERMITTENT, ... The last step will include replacing the EGR actuator if the SPN 2791 FMI 14 fault code is active during the transition from step 5 to step 6. SPN 2791 FMI 18. This code only has 3 …2 SPN 521049/FMI 31 - GHG17 DEF Inducement DEF Lamp Active Table 1. SPN 521049/FMI 31 Description This Code Sets When There is a Code Present for the DieselWhat is Freightliner code SPN 2791 FMI 2? According to one data sheet, this is the problem that the code is warning you about- DATA ERRATIC, INTERMITTENT, ... The last step will include replacing the EGR actuator if the SPN 2791 FMI 14 fault code is active during the transition from step 5 to step 6. SPN 2791 FMI 18. This code only has 3 … ….

Ask Your Own Medium and Heavy Trucks Question. See this pic Now in diagnostic Now in diagnostics these 2 faults Number 1 is this. Technician: Siebert, Kyle. Thats a MIL, Malfunction Indicator Lamp.. 520268/FMI 16 is Fuel Rail Pressure Low. Diag says look into 157/16 codes. Ask Your Own Medium and Heavy Trucks Question. Number 2 is this ...Guillain-Barre syndrome is an exotic disorder faced by the minority. It happens when the immune system gets confused enough to affect body’s nerves. When the limbs become extremely... a. Yes; Go to step 2. b. No; update the MCM software level and perform the verification procedure in the table above. If the fault code does not return, release the vehicle. If the fault code returns or if unable to duplicate verification cycle, Go to step. 2. 2. Turn the ignition ON (key ON, engine OFF). 6. Start the engine, using Diagnostic Link run the NOx Sensor Verification test located in the drop down menu under Actions / Aftertreatment. 7. Did the NOx Sensor Verification test pass? a. Yes; Go to step 8. b. No; replace the inlet NOx sensor. Refer to section "Removal of the Selective Catalytic Reduction Inlet NOx Sensor". 8.Component Codes (MID) MID / Description / Old Text Message / New Text Message * 128 Engine # 1 ENGINE ENG 130 automatic transmission – † Trans 136 Anti-lock Brake System (ABS) TRCTR BRK Brake 140 Panel, Left INSTRCLST Instr 142 Panel, Right # 1 INSTRCLST MGMT 172 Diagnostic System … See more 600 satisfied customers. Code spn 517653 fmi 7 2015 Freightliner Cascadia. Truck. Yes Tried to hit starter N also check batteries Seems also I got 12.2 volts so that's prob y u can't start truck But I got lots of faulty cosws Codes … read more. I have a 2014 Freightliner cascadia eco last six of vin is fk8665.Both check engine lights came on with the follow codes spn 2791 fail 11. Spn 520296 fail 31 fail 16 … read moreIf you do not know how to reset fault codes on Freightliner Cascadia, here’s what you can do: 1. Turn off the battery switch for 15 minutes. 2. While waiting, check the oil level, coolant level, and the check engine lights. 3. After that, turn the knob back to the on position but do not start the truck immediately. 4.Feb 23, 2020 ... Comments104 ; Freightliner Detroit Check Engine Codes. Double D Distribution · 111K views ; Prime Inc. Makes Public Announcement To 9442 Truck ... Freightliner cascadia diagnostic codes, 2 SPN 4364/FMI 1 - EPA10. Table 1. Connect DiagnosticLink ®. Turn the ignition ON (key ON, engine OFF). Was another emission component-related fault code repaired prior to this step? Yes; perform a parked regeneration and recheck for the fault code. If the fault code returns, Go to step 4. No; Go to step 4., This fault code occurs or is logged when battery voltage drops below 6 V to the ECM or control modules on the truck. I would recommend fully charging all of your batteries and then testing each one individually with a load tester and digital battery tester to look for any bad cells or other internal problems with any of the batteries. Clean all …, 151 System Diagnostic Code № 1 152 System Diagnostic Code № 2 153 System Diagnostic Code № 3 Common Subsystem Codes (SID for any MID) 154 - 248. 154 System Diagnostic Code № 4 155 System Diagnostic Code № 5 219 Combustion indicator 220 Electrical connection Tractor / Trailer (ISO 11992) 221 Power Supply Voltage for Sensors , We often get many questions on How to Pull Codes off a Dash for a Freightliner Cascadia 2014-2017 so we made a quick video tutorial. Call Us with any questi..., It is a pleasure to help anyway I can. SPN 2011/FMI 9 - GHG14. J1939 Message is Missing from Source Address 11 (dec) . This code sets when there is a loss of communication from the ABS module. J1939 message is missing from source address 11 (dec) DescriptionJ1939 Message is missing from source address 11 (dec) Monitored …, Continuous accumulation of the ABS code 520216/31 can result in the activation of ABS code 629/11, which essentially is a reset/reboot request code that requires cycling of the ignition key to clear. If the ABS code 629/11 becomes active, it will have a cascading effect that nulls the adaptive cruise control on a New Cascadia., Troubleshooting Manual Troubleshooting manuals contain diagnostic procedures for determining causes of problems in vehicle components and systems. Information on multiplexing diagnosis is included. These manuals are organized by functional systems, such as cab, chassis, and powertrain. Troubleshooting manuals do not contain repair or service ..., Here I show you what code SPN 4354 FMI 5 can be! AFT 1 SCR Catalyst Reagent LineHeater 1Current below Normal or Open Circuit. Here we found the cable was cut... , If SPN 4356 FMI 5 is Set. The other code that may appear with SPN 4357 FMI 5 is SPN 4356 FMI 5 and that code stands for - Scr Line Heater #3 Circuit Failed Open. The repair is going to be similar to the previous repair with one minor difference. Instead of repairing heaters 2 & 4, you will be repairing the #2 pin of line heaters 3 & 4., Have a 2010 Freightliner Cascadia. Engine is a later generation detroit series 60, Engine is derating and check engine light coming on. Getting the following codes from diagnostic computer: SPN 3509 F … read more, Go to step 3. to verify repair. 3. Clear fault codes. Turn ignition OFF and disconnect DiagnosticLink. Wait five minutes for all modules to power down. Verify repair. All information subject to change without notice. 2 12-14. This diagnostic is typically DPF Filter Soot Level is High., a. Yes; Go to step 2. b. No; update the MCM software level and perform the verification procedure in the table above. If the fault code does not return, release the vehicle. If the fault code returns or if unable to duplicate verification cycle, Go to step. 2. 2. Turn the ignition ON (key ON, engine OFF). , 151 System Diagnostic Code № 1 152 System Diagnostic Code № 2 153 System Diagnostic Code № 3 Common Subsystem Codes (SID for any MID) 154 - 248. 154 System Diagnostic Code № 4 155 System Diagnostic Code № 5 219 Combustion indicator 220 Electrical connection Tractor / Trailer (ISO 11992) 221 Power Supply …, Car diagnostic codes are an essential tool for mechanics and car owners alike. When your vehicle’s check engine light comes on, it’s a clear indication that there is a problem. How..., May 14, 2021 · Hello, these are all the codes I have on my truck. I changed the NOx sensor inlet as told by mechanicFault 1 eec61 5246 spn fail 0. Fault 2 eec61 4364 spn. Fault 3 eec61 3364 spn. Fault 4 eec61 3056 spn. Fault 5 eec61 5246 spn fail 15. Fault 6 eec1 5246 spn fail 16. Fault 7 545 59 523318 spn. , The fault code can be cleared using DiagnosticLink after the DEF dosing valve electrical connector is reconnected. ENGINE EXHAUST. To avoid injury from inhaling engine exhaust, always operate the engine in a well-ventilated area. Engine exhaust is toxic. HOT EXHAUST. ... codes my 2012 freightliner cascadia is giving me fault 1 cab 33 …, Mar 23, 2022 ... Comments10 · Freightliner Cascadia P4 126 ambient temperature sensor problem spn 171 fmi 3 2017 to 2024 · Symptoms of a Bad Ambient Air ..., Working on a 2014 freightliner cascadia vin#FL4087 fault codes 5927-2 & 3510-4 oil gauge is at zero, just change oil pressure sensor..truck runs fine ... I have 2015 Freightliner Cascadia with the emission system deleted. The DEF coolant hose broke off which caused the truck to lose coolant. Would there have been something that caused …, Custom-built Freightliner vehicles are equipped with various chassis and cab components. Not all of the information contained in this manual applies to every vehicle. For details about components in your ve-hicle, refer to the chassis specification pages in-cluded in all new vehicles and to the vehicle specifi-cation decal, located inside the ..., Cascadia New Cascadia vehicles have a different architecture, however similar concepts can be applied. Purpose of Solution: This supplemental troubleshooting guide is to provide additional information to the technical literature guides, and to offer some best practice guidelines to assist in diagnosing J1939 and CAN communication systems. Solution:, Freightliner SPN Fault Code Guide Download. PARAMETER IDENTIFIERS (PIDS) Parameter IDs or PIDs are numbers and names used to identify the displayed data. So think if the PID is in terms of "readings" such as oil temperature, coolant level, distance traveled, engine rpm and so on. PID is a J1708 term and PID is 0 to 511., Guillain-Barre syndrome is an exotic disorder faced by the minority. It happens when the immune system gets confused enough to affect body’s nerves. When the limbs become extremely..., SPN 520372/FMI 16. Description. The Fault Indicates High DEF Delivery Monitored Parameter NOx Conversion Efficiency Typical Enabling Conditions Closed Loop DEF Dosing Monitor Sequence None Execution Frequency Always Enabled Typical Duration Two Seconds Dash Lamps MIL Engine Reaction None Verification Parked SCR Efficiency Test Check as follows ..., We often get many questions on How to Pull Codes off a Dash for a Freightliner Cascadia 2014-2017 so we made a quick video tutorial. Call Us with any questi..., Jun 17, 2018 ... Freightliner Western Star Cascadia Coronado DD15 DEF Pressure SPN 4335., Mar 31, 2023 · The SPN fault code list is from 0 to 50,000+. However, you need to be careful as not every manufacturer uses every SPN fault code. CAT is an example of one manufacturer that does this. The FMI, not listed here goes from 0 to 21 with some extras reserved for the SAE to add to this code list. Freightliner MID / Description. 128 Engine # 1 ENGINE ENG , You might have other codes, but if you have 1636 then it is most likely the source of the problem for all those codes. Your truck ... Code 1636 is super common. You might have other codes, but if ..., Common Mercedes-Benz diagnostic fault codes include P0466, B1000 and C1000. These codes normally indicate faults in the vehicle’s circuit, body and chassis. P0466 signals a problem..., Weekend 2 pm CST for the day. 520520 - 4 = ABS Ground (Front Axle) -. voltage below normal or shorted low Failure detection 'ShortGnd' at AbsGround (Front Axle) A short circuit to permanent GND-level at the relevant low-side switch is detected: - After 150 ms (if the low side switch is open)., Sep 23, 2020 ... Freightliner Cascadia fault code fail 16 SPN 3464 ; Freightliner Detroit Check Engine Codes. Double D Distribution · 111K views ; SPN 4364 FMI 18 ..., Freightliner SPN Fault Code Guide Download. PARAMETER IDENTIFIERS (PIDS) Parameter IDs or PIDs are numbers and names used to identify the displayed data. So think if the PID is in terms of "readings" such as oil temperature, coolant level, distance traveled, engine rpm and so on. PID is a J1708 term and PID is 0 to 511., Have to codes on my 2016 freightliner cascadia. Cascadia. Diagnostic codes spn 3223 fmi 7 and spn 3719 fmi 0. 1 active ... 2014 Freightliner Cascadia came in with 1 active code SPN 3719 FMI 0 soot quality too high and several inactive code NOx efficiency too low and Regen interrupted soot quality outside limits ..., I have a 2017 freightliner cascadia that has fault codes SPN-5397, SPN-520371, SPN-520372 & SPN-523001. Cascadia. Not - Answered by a verified Technician. 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