Freightliner regen light

I have a 2012 Freightliner Cascadia with Cummins ISX and the high exhaust temp light turns on every time I come to a full stop. I was having a clogged DPF and I took it to the shop and had them take it out and clean it so I'm not sure if those two are related. ... Basically Means it's trying to do a regen. The light is set up to turn off at a ...

Freightliner regen light. Here is how to regen Freightliner using the parking/static method. Slowly idle the engine for a few seconds before turning it on. It should not be in a power-take-off mode. Move the transmission from neutral to neutral, then back into neutral. Change the parking brake setting from OFF to ON.

OTR Diagnostics allows you to read and reset fault codes, view live data, and run advanced diagnostic functions, including forced DPF regen with your mobile phone or tablet. This light is only available when the truck is requesting a parked regen. Every truck manufacturer designs this feature to appear when the soot level in the DPF filter ...

2012 freightliner m2 106 regen light on and yellow check…. 2012 freightliner m2 106 regen light on and yellow check engine light. When regen started white smoke coming out. Answered in 3 hours by: Technician: james Roberts. james Roberts. Category: Medium and Heavy Trucks. Satisfied Customers: 223. Experience: Maintanance assistant at NYS DEC.OTR Diagnostics allows you to read and reset fault codes, view live data, and run advanced diagnostic functions, including forced DPF regen with your mobile phone or tablet. This light is only available when the truck is requesting a parked regen. Every truck manufacturer designs this feature to appear when the soot level in the DPF filter ...Sep 7, 2021 ... Regen A freightliner?DEF PROBLEM Yellow flashing light & check engine light? Derated, speed dropped. DESI TRUCKERS IN U.S.A•110K views · 2:34.The Freightliner diagnostic scanner enables you to perform forced DPF regeneration and diagnostics, read and erase the fault codes, graph live data, EVAP test, O2 sensor test, oil light reset, ABS testing and much more. It works on all Freightliner Trucks listed in the drop down box above.Feb 24, 2019 · 2017 Freightliner cascadia is still regen for 5 hours now , I did the force regen because I have derted to 5 miles an hour and all engine lights are on and def light is blinking 2016 Freightliner Casc … read more Code 1636 is super common. 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 ...

Another DD15 with multiple faults that are related to regen problems. SPN 3480 FMI 2 Doser Fuel Line Pressure Low (Possible Doser valve or Doser block issue)...View and Download freightliner Columbia driver manual online. Columbia ... (10-second) flashing indicates a regeneration (regen) is in progress. High Exhaust System IMPORTANT: When the HEST lamp is illuminated, do Temperature ... Sleeper Dome Light Suspension/Trailer Connection Controls A sleeper dome light is located on the roof ...2017 Freightliner cascadia is still regen for 5 hours now, I 2017 Freightliner cascadia is still regen for 5 hours now , I did the force regen because I have derted to 5 miles an hour and all engine lights are on and def light is blinking 2016 Freightliner Casc …Need a lighting design company in Chicago? Read reviews & compare projects by leading lighting designers. Find a company today! Development Most Popular Emerging Tech Development L... Regen blinking light tried to regen after 25 mins truck tried to overheat. Stopped the regen still blinking stopped blinking now saying stop engine n power derated… check engine light has been on for awhile but this is new… just had egr gaskets changed a week ago… engine hasn't regen in awhile … read more The DPF status light is on steadily. This is your first warning that your engine may need regeneration. You probably have several more hours to operate the truck before the …Imposters - Understanding light is important in order to learn how sunglasses protect our eyes. Learn more about understanding light and glare in this section. Advertisement Then t...One of the most common 2015 Freightliner dash symbols, the green engine light symbol, indicates that the jake brake has been enabled. The jake brake is situated in the vehicle’s engine, and it uses the vehicle’s engine to aid in reducing your speed. It is designed to keep your truck’s brakes from wearing out very quickly.

Manual Regeneration (or Parked Regeneration) For a manual regeneration, all of the following conditions must be met. The DPF Lamp must be on or is flashing with the …OTR Diagnostics allows you to read and reset fault codes, view live data, and run advanced diagnostic functions, including forced DPF regen with your mobile phone or tablet. The DPF system will typically give you some warning signs before going into a major derate or failure. One of the most common ones is to perform a parked regeneration.Low Soot Load: This occurs when the DPF indicator light is a solid yellow. When this light comes on it means that the DPF filter is starting to become full. The DPF needs to heat up to turn the soot into ash. There are two ways to accomplish this: Run on the highway for a long period of time (>60km/hr) or perform a forced parked regeneration.Technician: roybelding. doesnt matter, it never works, the dpf has to be replaced. the flashing light indicates first step in de rate. 25%. Ask Your Own Medium and Heavy Trucks Question. The dpf filter or the whole chamber. Technician: roybelding. filter only. the killer is if you have the 1 box, you have 2 filters.View and Download freightliner Columbia driver manual online. Columbia ... (10-second) flashing indicates a regeneration (regen) is in progress. High Exhaust System IMPORTANT: When the HEST lamp is illuminated, do Temperature ... Sleeper Dome Light Suspension/Trailer Connection Controls A sleeper dome light is located on the roof ...Freightliner M2 Regen Problems. There are many reasons why a truck has regen issues. The most common ones are clogged DPF, EGR fault codes, and the VGT turbo operation. If it occurs, you need to inspect the check engine light (CEL) since it can disable the process of DPF regen. If it happens, it will lead to an engine shutdown.

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Freightliner M2 Regen Problems. There are many reasons why a truck has regen issues. The most common ones are clogged DPF, EGR fault codes, and the VGT turbo operation. If it occurs, you need to inspect the check engine light (CEL) since it can disable the process of DPF regen. If it happens, it will lead to an engine shutdown.To do a passive regen, take the following steps: Turn on the truck, shift it to neutral, and put on the parking brake. Set a timer for 3-4 minutes and let the engine idle. The most important thing to make sure of is that the truck is not in the “Power-take-off” mode. From this point, you quickly do three things one after the other.After completing a parked Regen, the check engine light. After completing a parked Regen, the check engine light stays on along with the blinking regen light. Mechanic did a forced Regen after completing lights still wont go out but shows no codes on computer. new EGR valve. have not changed the fuel injector doser.My truck has check engine, stop light and regen light on dash of 2011 freightliner cascadia. Cleaned dpf filters , replace doc inlet sensor. However, when mechanic ran forced regen it stops at 10 mins. Fault Ecu 128 Sid 155 failed …Hope everyone is doing well. I’m running into a big issue with my 2012 Freightliner Cascadia dd15.. about 3 weeks ago I was down the highway and the truck randomly lost electric power. My check engine lights came on and then would go off but my maintenance light stayed on.I have a 2016 cascadia evolution and my Def light is blinking and check engine light is on also truck won't go over to 55 mph can anyone ... A forced regen will sometimes clear the bad quality DEF ... Had to get towed to Amarillo Freightliner shop . Shop informed me dpf sensor had failed probably due to dpf cleaning. Apparently ...

The regen cycle will finish after 20 to 60 minutes, at which time engine idle speed will drop to normal and the vehicle can be driven normally. The HEST lamp may be illuminated, but will go out when the vehicle speed exceeds 5 mph (8 km/h), or the system has cooled to normal operating temperature. The DPF light will shut off.the check engine light came on, along with the MIL- both amber. Dash codes were 12, 13, 15, 16. Seemed odd that all codes were high and low voltages at once. Truck asked for a regen and the regen light blinking- performed parked regen- lasted about 10mins but never saw temperature increase. Regen light stayed blinking for a day.To contact Freightliner about a concern about a specific vehicle call the Customer Assistance Cen-ter at 1-800-385-4357 or complete a Product Concern Form. Vehicles domiciled in Canada that are thought to have a defect that could cause a crash, injury, or death, should immediately be reported to Trans-port Canada and Daimler Truck North ...To contact Freightliner about a concern about a specific vehicle call the Customer Assistance Cen-ter at 1-800-385-4357 or complete a Product Concern Form. Vehicles domiciled in Canada that are thought to have a defect that could cause a crash, injury, or death, should immediately be reported to Trans-port Canada and Daimler Truck North ...If the regen light on your 2013 Freightliner Cascadia with an ISX 15 Cummins engine has been on for 4 months even after a forced regeneration and there are no codes in the computer, this could indicate a potential issue with the Diesel Particulate Filter (DPF) system or another related component.Here are some possible reasons why the regen ...2015 Freightliner 3AKJGLD57FSFN3310 The yellow DPF light is flashing and the red stop engine light is on. Active Codes SPN 4077- FMI 14 SPN 3057 -FMI 2 SPN 5443 - FMI 0 SPN 3719 - FMI 31 It’s not letting me force regen it. I’m using a snap on Pro Link Edge And I have the detriot software for it. It’s still not allowing me to regen it.When the process is complete, the PARKED REGEN switch light will go off, the engine will return to its normal idle and all dash warning lights will be off. You may safely resume your trip. If you need additional help, check the label on your sun visor or contact our 24/7 Roadside Assistance team through the Penske Truck Rental app or by calling ...My truck has check engine, stop light and regen light on dash of 2011 freightliner cascadia. Cleaned dpf filters , replace doc inlet sensor. However, when … read more. Vocational, Technical or Tra... Throws code spn 3719 fmi 0. Trk is calling for a parked. Throws code spn 3719 fmi 0. Trk is calling for a parked regen.I was dealing with range inhibit, check engine, regen and flashy breakdown light the past few days on my 2012 freightliner m2. Hills especially made me shut down. Come to find out i had a coolant issue! Nuts huh? K & T, Apr 12, 2020. K & T, Apr 12, 2020 #6. Apr 12, 2020 #7.Are you in the market for a reliable and cost-effective truck? Look no further than Freightliner used trucks. Known for their durability and performance, Freightliner trucks are a ...Flashing Check Engine Lamp. Will flash for 30 seconds at key ON if maintenance is due. Malfunction Indicator Lamp (MIL) Lights up to warn the driver to schedule service soon. May light up in addition to other lamps. Red Stop Engine Lamp. Indicates that engine must be stopped as soon as it is safe to do so.Parked regen, forced Regen, regen on freightliner, 55 mph and yellow flashing light? Emission derated 10%,

I got a brand new 2014 Coronado with a DD 15 engine, while I was setting the truck up with all my stuff it was probably running for 4-5 hours and then the check engine light came on and the regen light, so I did a parked regen, took about 40 mins and all was good, then yesterday I drove it 1000 km's and parked for the night, 8 hours and 45 mins later I was woke up by the truck shutting itself ...

To contact Freightliner about a concern about a specific vehicle call the Customer Assistance Cen-ter at 1-800-385-4357 or complete a Product Concern Form. Vehicles domiciled in Canada thought to have a defect that could cause a crash, injury, or death, should immediately be reported to Transport Canada and Daimler Truck North America …Final Thoughts. When the regen light is still on even after regen, it means that the process has not been completed yet. It is good to have a specialist to take a look at this issue for a definitive solution to the problem and make sure there are no further risks to your truck. 5.how to regen a truck?eec 61 regen,freightliner yellow flashing light,how to bypass 5 mph for def problem?what to do if your truck speed drop to 5mph due to d...This is a video to show you how to do Regen when you get the yellow 2 Check engine lights on and the DEF Level light blinking just pull over to safe place t...2011 Freightliner Cascadia DD15 with regen issues. Truck will begin to regen but then abort after 15 minutes. A few tips to help you and complete your regen...Oct 29, 2022 ... Freightliner cascadia parked regen override countdown 2022 ... Regen A freightliner?DEF PROBLEM Yellow flashing light & check engine light?Originally Posted by smack2020. I am in the process of purchasing a new, 2013, Itasca Ellipse on a Freightliner chassis with a 450 Cummins. During our test drive, a check engine light came on. The dealer took the RV to Cummins who said that it was a freightliner problem. So the dealer took the RV to Freightliner where it has sat since Friday.Second Opinion] I have a 2014 freightliner m2 106 cummins SL9 270 8.9 ISL with codes: SPN 3251.4, SPN 3610.4, SPN 3226.4, and SPN 5742.9. The check engine light is on and the DEF light by the DEF leve … read moreIt's on and stop engine is on Regen Light JA: I understand that your trucks engine is on and the regen light is on, our truck Mechanic will be able to help you with this issue. ... 2010 Freightliner m2 106 6.7 cummins 1 Active code code 1921 sid 324, 0, 16, ...A steadily illuminated HEST lamp alerts the operator of high exhaust temperatures when vehicle speed is below 5 mph (8 km/h) while it is performing an automatic regen, and during a parked regen. An …

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2008 Freightliner M2 won’t do force regen Discussion in 'Trucks [ Eighteen Wheelers ]' started by Smellfunny, May 19, 2020. May 19, 2020 #1 ... The regen light was on and was in limp mode. Smellfunny, May 20, 2020. Smellfunny, May 20, 2020 #8. May 20, 2020 #9. QUALITYTRUCK Road Train Member.Solar lights not turning on? Here are some quick tips for how to find out what's wrong and get your solar lights working again. Expert Advice On Improving Your Home Videos Latest V...I drive a 2013 Cascadia. My regen light came on while dropping a trailer, but I was going right back to the interstate. I figured that would fix it, but I got stuck in a little bit of traffic, and then the light started flashing. Do you need to pull over right away and do a park regen, or can you drive on the interstate for a couple of hours?How to retrieve flash/fault codes on a Freightliner FLD. This truck has a cummins M14 but any FLD equipped with a engine check system should work the same. ...The regen cycle will finish after 20 to 60 minutes, at which time engine idle speed will drop to normal and the vehicle can be driven normally. The HEST lamp may be illuminated, but will go out when the vehicle speed exceeds 5 mph (8 km/h), or the system has cooled to normal operating temperature. The DPF light will shut off.Regen light flashing. Show More. Show Less. Ask Your Own Medium and Heavy Trucks Question. ... 2017 Freightliner cascadia is still regen for 5 hours now , I did the force regen because I have derted to 5 miles an hour and all engine lights are on and def light is blinking 2016 Freightliner Casc ...• The parked regeneration may take up to 40 minutes. • The parked regeneration is complete when the engine returns to idle and the DPF lamp remains off. The HEST light may remain on, but the vehicle can be driven. • A parked regeneration will stop if the key is turned to the OFF position, clutch is depressed, the truck is putWhile you will notice the DPF benefits immediately, it may take 3-5 tanks for you to notice a large increase in fuel mileage. Your fuel savings will more than pay for DPF Remedy. Increased performance, easier starts, better acceleration and a smoother running engine will be noticeable every time you get behind the wheel.Low Soot Load: This occurs when the DPF indicator light is a solid yellow. When this light comes on it means that the DPF filter is starting to become full. The DPF needs to heat up to turn the soot into ash. There are two ways to accomplish this: Run on the highway for a long period of time (>60km/hr) or perform a forced parked regeneration.OTR Diagnostics allows you to read and reset fault codes, view live data, and run advanced diagnostic functions, including forced DPF regen with your mobile phone or tablet. This light is only available when the truck is requesting a parked regen. Every truck manufacturer designs this feature to appear when the soot level in the DPF filter ...Are you in the market for new lighting fixtures and searching for lighting showrooms near you? With so many options available, it can be overwhelming to find the right showroom tha... ….

Press the ↵ button, scroll through the top menu icons until you find the semi truck / trailer symbol. Press the OK button, then scroll through the 4 screen until you find the screen that shows the soot level / parked regeneration prompt. Again press the OK button and if a parked regen is required it will you prompt you to press the OK button ...Freightliner trucks are excellent works of engineering ingenuity. Regeneration is of three types and they have different approaches. However, all these types can be performed on a Freightliner. This article will provide insight on the three types of regeneration and how to carry them out.EZWiring EZWiring™ makes Freightliner, Sterling, Western Star, Thomas Built Buses, and Freightliner Custom Chassis Corporation products’ wiring drawings and floating pin lists available online for viewing and printing. EZWiring can also be ac-cessed from within PartsPro. Introduction Descriptions of Service Publications2017 Freightliner cascadia is still regen for 5 hours now , I did the force regen because I have derted to 5 miles an hour and all engine lights are on and def light is blinking 2016 Freightliner Casc … read moreThe regeneration process takes anywhere from 20 to 40 minutes to complete. During that time your engine RPM will increase, but it will return to normal when regen is done. You may also see the High Exhaust System Temperature (HEST) light, which simply means what the name indicates. The light should go out when regeneration is complete.The engine keeps on idling to warm up the cabin for 8 hours. Chances are that within this time the Freightliner will ask for manual regeneration because the DPF may get clogged when the vehicle is idling. If you don't turn on the manual regen just because you are sleeping, the vehicle will shut off or keep idling until the DPF is overly clogged.A DPF regen, or regeneration, happens when the DPF burns the accumulated soot off its face to prevent clogging. Your commercial truck can carry out either passive DPF regens or active regens. The most common form is passive regeneration. This occurs while the truck is in motion when the heat of the exhaust burns the soot off the DPF.May 18, 2015 · After completing the repair I drove for approximately 350 mile and the check CEL comes on and another 20 mile the regen lite comes on.after driving for 50 min highway speed the regen light starts flashing and i pulled over and performed a park regen.The regen took 25min and the CEL didn't go away. The weight of a Freightliner truck varies widely depending on the model and load of the truck in question. Typical gross vehicle weights of these trucks range from 60,000 to 90,000...Nov 30, 2023 ... Steps: 1. Cruise control must be off 2. Press and hold Regen button, you can release button once RPM's increase The Regen light will flash ... Freightliner regen light, 2017 Freightliner cascadia is still regen for 5 hours now , I did the force regen because I have derted to 5 miles an hour and all engine lights are on and def light is blinking 2016 Freightliner Casc … read more, Smart, automated safety systems. The Freightliner eCascadia electric semi truck brings it all together in a design that's built on the proven, aerodynamic Cascadia platform - and ready for any short-haul route. It's a truck that's built to move forward. And pull an entire industry along with it. ePowertrain., Quick instructions on how to regen on a Freightliner. 1. Cruise control Off2. Press and hold regen button 3. Wait for it to finish#owneroperator #trucking #h..., After a few seconds, an orange light will indicate that the process has begun. You'll need to keep the engine running idle throughout the process -this is vital. The regen can take anywhere from 20 minutes to an hour or more. Do not throttle the engine or release the parking brakes during this time., Gimme a few to look those up. Scott Anthony. Category: Medium and Heavy Trucks. Satisfied Customers: 103. Experience: Master Diesel Technician at Artex Truck Center/International Trucks. Verified. Scott Anthony and 87 other Medium and Heavy Trucks Specialists are ready to help you., The DD15 offers cutting-edge technology and enhancements for an unprecedented level of fuel efficiency and performance. Freightliner provides a wide range of new vehicle engines compliant with EPA, CARB emissions, GHG, and OBD requirements. Please consult your local dealer to ensure the selection of a product that meets your specific needs., Jeff Waara, our onsite Freightliner rep at Prime Inc, shares what the regen process is and how to do a manual regen, if needed, on a Freightliner truck. If you have any questions, please reach out to a Freightliner representative or shop., Regen problems can be easily fixed…. By far the best approach is to reduce the temperature at which the soot particles burn, by adding FTC Decarbonizer to the fuel at each fill. This reduces the soot burn temperature to 350-400C…a temperature readily reached by engines under even light loads. By acting as a true chemical combustion …, Before starting a Freightliner regen, it's important to understand why it's necessary and when active regeneration is more appropriate. To perform a parked regeneration, press the DPF switch for five seconds and then wait until the engine speed ramps up and the warning light goes away., 2016 Freightliner cascadia check engine light Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by chimbotano, May 14, 2019. May 14, 2019 #1 ... 2018 pete 579 tail light problems Schnapple posted Apr 26, 2024 at 3:19 AM. Truck locking up trailer brakes... Bigballaheavyholla posted Apr 25, 2024 at 9:09 PM., Too Hot to Handle: High Exhaust System Temperature Lamp. Regen Switch. When a Diesel Particulate Filter regeneration process begins, the High Exhaust System ..., A Freightliner regen light will come on if the driver hasn't regenerated the filter. The regeneration process may take a few minutes, depending on the duty cycle. If the engine has been inactive for several days, it will require an hour to fully regenerate the filter. The parked regeneration will also prevent the truck from stalling., How to retrieve flash/fault codes on a Freightliner FLD. This truck has a cummins M14 but any FLD equipped with a engine check system should work the same. ..., Freightliner m2(###) ###-#### Mechanic's Assistant: What's the make/model of your 2013 freightliner? Regen blinking light tried to regen after 25 mins truck tried to overheat. Stopped the regen still blinking stopped blinking now saying stop engine n power derated… check engine light has been on for awhile but this is new… just had egr gaskets changed a week ago… engine hasn't regen in ..., I have a 2008 Freightliner M2 with the mbe900 engine regen light has come on and check engine light is on and the protect engine lights is on and it won't Regen. I've already taken off the DPF filter pressure washed it out so it's clean. It is also showing 2 codes ECU 128 Sid 035 fail 07 and ECU 128 Sid 155 fail 00. , Mar 21, 2020 · Problem fix after Regen one Check engine light went off and Def level blinking light went off to now you can run faster , between you, your dealer, or Freightliner Custom Chassis Corporation. To contact NHTSA, you may call the Vehicle Safety Hotline toll-free at 1-888-327-4236 (TTY: 1-800-424-9153); go to www.safercar.gov;or write to: Administrator, NHTSA, 1200 New Jersey Avenue, SE, Washington, DC 20590. You can also, Four Star Freightliner diesel technician Jason Scroggins explains the process of how to do a parked regen for your truck. This process is for any Freightliner including an M2 and Cascadia...., Dec 11, 2010 · An active regeneration means that a fuel dosing valve injects fuel into the exhaust system to raise the temperature. An active regeneration can be automatic or driver initiated. The engine will always try to do it automatically, but if it cannot, a light will come on giving warning that a regen is due. , 2017 Freightliner cascadia is still regen for 5 hours now , I did the force regen because I have derted to 5 miles an hour and all engine lights are on and def light is blinking 2016 Freightliner Casc … read more, 6 Heater, Ventilator and Air Conditioner. 7 Engines. 8 Drivetrain. 9 Steering and Brake Systems. 10 Fifth Wheels and Trailer Couplings. 11 Pretrip and Post-Trip Inspections and Maintenance. 12 Cab Appearance. 13 In an Emergency. 14 Headlight Aiming., (03-16-2023, 03:46 AM) am2000am Wrote: Hello members, I have customer with 2019 freightliner cascadia deleted, who ever did delete does not know how to disable flashing regen light. Can any body share what parameters needs to be changed in instrument cluster. PM please. Thank you SERVICE_LAMP CPC-122, To contact Freightliner about a concern about a specific vehicle call the Customer Assistance Cen-ter at 1-800-385-4357 or complete a Product Concern Form. Vehicles domiciled in Canada thought to have a defect that could cause a crash, injury, or death, should immediately be reported to Transport Canada and Daimler Truck North America LLC. , 17 Cascadia my Def light is blinking & check engine light is on Discussion in ' Freightliner Forum ' started by Oldschooltrucker2016 , Oct 15, 2021 . Oct 15, 2021 #1, The Freightliner diagnostic scanner enables you to perform forced DPF regeneration and diagnostics, read and erase the fault codes, graph live data, EVAP test, O2 sensor test, oil light reset, ABS testing and much …, Freightliner M2 Regen Problems. There are many reasons why a truck has regen issues. The most common ones are clogged DPF, EGR fault codes, and the VGT turbo operation. If it occurs, you need to inspect the check engine light (CEL) since it can disable the process of DPF regen. If it happens, it will lead to an engine shutdown., What does the Freightliner yellow engine light mean? A yellow “Check Engine” light typically indicates an issue that needs to be investigated. Usually, it is not a mission-disabling problem, just something that needs attention. If the yellow light stays on, it means that whatever it is happening is actively happening., My truck has check engine, stop light and regen light on dash of 2011 freightliner cascadia. Cleaned dpf filters , replace doc inlet sensor. However, when … read more. Vocational, Technical or Tra... Throws code spn 3719 fmi 0. Trk is calling for a parked. Throws code spn 3719 fmi 0. Trk is calling for a parked regen., If the Stop Engine light is flashing, it means the driver has 30 to 60 seconds to park before the engine shuts down. Ignoring a Stop Engine lamp could result in a blown engine and damage to the ..., I drive a 2013 Cascadia. My regen light came on while dropping a trailer, but I was going right back to the interstate. I figured that would fix it, but I got stuck in a little bit of traffic, and then the light started flashing. Do you need to pull over right away and do a park regen, or can you drive on the interstate for a couple of hours?, Dec 19, 2018 ... 2011 Freightliner Cascadia DD15 with regen issues. Truck will begin to regen but then abort after 15 minutes., How to retrieve flash/fault codes on a Freightliner FLD. This truck has a cummins M14 but any FLD equipped with a engine check system should work the same. ..., Regeneration, or regen, of the DPF filter, is the process that burns the soot accumulation that is inside the DPF filter. If you can no longer start a regen then you will eventually get stuck in a derate which will then lead to an engine shut down. The regen process and how it works is something you should familiarize yourself with.