How to clear service def system message duramax - Engine was replaced. The "poor DEF" indication came on in late September 2021 at 76,000 miles (64,000 mi. on the new engine). It has been in and out of the Chevy dealership ever since then, each time replacing a component of the diesel exhaust system, virtually undrivable for 3 months since the indicator would reappear within a few hundred …

 
A system tamper service bay test might clear it. Do a manual regeneration clean it up. Then it has to pass a DEF fluid quality test. If you can keep driving it, the ECM will run the tests and either clear the message or turn the light back on. It has to see the system working normal for the message to clear.. Hart county newspaper

In the world of microservices architecture, communication between services is a critical aspect that can greatly impact the overall performance and effectiveness of the system. The...Apr 23, 2014 · Perform a RFQT and see if it passes, times out or fails. If it fails, turn off the T-2, unhood the T-2 from the DLC. Shut off truck and remove key. Open and close drivers door to turn off of RAP. Let the truck sit for approx. 5 min. Restart truck, re-install and set up the T-2 and perform another RFQT. 20 posts · Joined 2014. #6 · Feb 16, 2021. I got the same message the other day and truck went into “limp mode” DIC says service emission system. Checked for codes and got P0106. MAP/ barometric pressure. I spoke to service this AM and was told it has to do with the placement of the sensor.Allow the pressure to build for 30 s. Observe the scan tool Reductant Pressure sensor parameter. The reading should be between 425–575 kPa and there should be no leaks in the system.Engine idling, command each GPCM Reductant Heater 1, 2, and 3 ON for 10 seconds with a scan tool.Yes. You need to force all of the def system components (in a nutshell) to run their tests with a scan tool to clear these sorts of def system messages and functions. Sorry guys but some of this stuff just can’t be done without a good scan tool. Didn’t see this thread until now either so sorry for being late to the party.On the 2016 Chevrolet Silverado Duramax the DIC will show differing service messages, this video shows how to use them and reset these readings.Visit http://...Did you miss part 1 or didn't finish it? That's ok! You can go back to it here! https://youtu.be/TogO8DwiO34Check out my Merchandise Store Below the video fo...The Service Def System Message is an indication that there is an issue with the Diesel Exhaust Fluid (DEF) system in your Duramax vehicle. DEF is a solution that helps in reducing harmful emissions from the vehicle’s exhaust system. When the DEF system malfunctions, the onboard computer detects the issue and triggers the Service Def …message is displayed because the DPF system is not capable of self cleaning at idle. 6. Instruct the customer that the most efficient way to clean the filter is toDRIVE the vehicle at more than 50km/h (30mph)UNTIL the warning message goes OFF. 7. Ignoring the message and continuing to drive with the warning message ON and the exhaust filter not10. Jan 16, 2022. #1. Had the message Service Def System see dealer message pop up today while towing my camper home. Message stayed up for about 15-20 minutes then completely went away. Truck is a 2020 2500, 11K miles. I pickup it up Pre-Owned with 6500 miles on it. Since ownership for 1 month I’ve added 5 gallons of Platinum Blue Def and ...I know there are a million three on the Service Exhaust fluid system problems. But mine is a little different. I have had a few problems with my 2011 with the same warning. the other 2 times it had the check engine light and codes. this time around there is no engine light. no codes. it has me locked down at 55mph and the dealer tried …Dec 15, 2021 ... Duramax 6.6L Service exhaust fluid system ... DEF Injector | Ram 2500 Service DEF System Message ... Perform service message reset for. Said R ...This means that you cannot reset by driving. You will need to do a stationary reset. Park the vehicle on level ground, make sure you have added more that one gallon of def, and …Message was still on the DIC, but I drove around gently for about 20 miles, without the trailer, and the DEF quality message disappeared. The DEF quality issue ONLY comes on for me on a long trip while towing. Watching the NOx1 and NOx2 sensor levels (OBD Fusion app), it looks like the DEF system is just completely overwhelmed during a long ...20 posts · Joined 2014. #6 · Feb 16, 2021. I got the same message the other day and truck went into “limp mode” DIC says service emission system. Checked for codes and got P0106. MAP/ barometric pressure. I spoke to service this AM and was told it has to do with the placement of the sensor.1.2.1 Step 1: Identify the Warning Message. 1.2.2 Step 2: Check DEF Level and Quality. 1.2.3 Step 3: Refill or Replace DEF if Needed. 1.2.4 Step 4: Clearing the Exhaust Fluid Quality Poor Message. 1.2.4.1 4.1 Resetting the Message Using the Vehicle’s Onboard Computer System.Perform a RFQT and see if it passes, times out or fails. If it fails, turn off the T-2, unhood the T-2 from the DLC. Shut off truck and remove key. Open and close drivers door to turn off of RAP. Let the truck sit for approx. 5 min. Restart truck, re-install and set up the T-2 and perform another RFQT.The good news is that you can reset the exhaust fluid system and clear the service DEF message in 7 simple steps with the help of a scan tool. Click the ‘Module setup’ by turning on the scanner. Click on the ‘Reductant’ fluid and then click the ‘Tank level reset’ option.Accidentally racking up expensive international text messaging charges is the last thing you want to worry about when you’re traveling abroad. Your phone may not even get cell serv...This means that you cannot reset by driving. You will need to do a stationary reset. Park the vehicle on level ground, make sure you have added more that one gallon of def, and …8839 posts · Joined 2011. #8 · Jun 29, 2012. gripin, there were multiple updates for the def reset issue, but this issue seems to have been stable for at least a year, and the 'recall' update has been out since last fall. The reprograms were specifically to address the level not resetting when the tank had been filled.The mechanic can tell you whether the DEF system needs cleaning, a minor repair, or a complete overhaul. Generally, it will cost you around $800 to $1,500 to replace certain parts of the DEF system and clean the filter. A complete overhaul of the system will set you back between $2,000 and $5,000 on parts. Those prices do not include labor.At least I would have filled some fluid into the tank before going to the dealer, just in case. I have a 2012 Duramax, and when my "service exhaust fluid" message came on, I actually had enough DEF in my tank. The dealer checked and it was due to a bad DEF heater. The DEF systems have been notorious for problems.The good news is that you can reset the exhaust fluid system and clear the service DEF message in 7 simple steps with the help of a scan tool. In the dashboard, connect the scanner to the scan portSTEP 2. Step 2 in clearing that pesky "Service Emission System" warning involves locating the key player in the game: the diagnostic connector. This handy little device gives you direct access to your engine control module, so you can retrieve the diagnostic trouble codes causing the warning message. Don't worry, finding the diagnostic ...vehicle may require service. The light should come on to show that it is working when the ignition is on with the engine not running. See “Ignition Positions” in the owner’s manual. This light may also come on when the system has detected a problem with the Diesel Exhaust Fluid (DEF) management system. See Diesel Exhaust Fluid 0 12.A dealer may encounter a customer concern of a Service Emission System Message on the Drivers Information Center (DIC). Diesel Exhaust Fluid (DEF) tampering DTCs will turn on this message. There is a new Tech 2 special function that has been added to clear Service Emissions Messages. This is a new function for the 2012 model year.EMPTY message appears, it may. take several km/miles for the DIC. message to update. If the vehicle speed has been. limited and DEF has been added, it may take up to 30 seconds. after engine start with the vehicle. stopped for the EXHAUST FLUID. EMPTY message to clear.Aug 27, 2022 · I'm getting a "Low Quality DEF" warning on the DIC and the only code that pops is P249D - that code looks like it could be a bad DEF injector. The last time I saw the DEF gauge, it said 24%, before the warning popped up (it really sucks that you can't use the DIC at all while the warning is active). So I added a box of DEF to attempt to dilute ... The driver information center (DIC) in affected GMC Sierra and GMC Yukon units may show the “Service Emission System” warning message, the “DEF Level Low” warning message, or both.Returned from 5th visit to dealer for "Service Exhaust system". Did replace the DEF injector and last visit 2 nox sensors but tech couldn't get codes cleared even with GM support. Kept at dealer for 3 days and finally codes cleared on their own and dealer said take home for now. Not sure what to expect. Hard to take out of town when same issues ...The dealer was able to remove all the codes, but the Emission System messge remained. there is a code P24C4 for the EGR bypass valve that comes back eventually after deleting the codes. The mechanics and shop foreman at the dealership say that this code should not activate the Service Emission system countdown.Jan 10, 2013 · It typically is about $4 per gallon, and most commonly sold in 2.5 gallon jugs. If purchased at the def pump at a truck stop it will be even cheaper. Dealers charge about double the aftermarket price. 2023 LZO CC std box 4x4. previous: 2021 LM2 CC std box 4x4 ; '18 2500 L5P CCSB 4x4; '11 LML, '10 LMM and 04.5 LLY. To reset your engine system properly, you’d have to disconnect the negative battery cable and let your engine drain away all its power by waiting for about 30 minutes. This will force the computer to reset on its own. Later on, you need to use a code reader, pour in enough DEF, and take the vehicle to a repair shop .February 10, 2021. The Emission Reduction Fluid Tank heater may be faulty on some 2020 Silverado 1500, Silverado 2500HD/3500HD, Sierra 1500, Sierra 2500HD/3500HD; 2021 Tahoe, Suburban, Yukon and Escalade models equipped with the 6.6L Duramax diesel engine (RPO L5P) or 3.0L Duramax diesel engine (RPO LM2). If …Just unplug the water sensor. The water in fuel message will go away. The sensor switch closes the circuit to ground. There is a short in wiring. Check for exposed wires.This is not complicated. Ground to wire, message turns on. No ground no message. There are two wires going to sensor. One goes to ground The other goes to wiring …Please subscribe for more. how to reset service light indicator ChevroletThe DIC is showing the following two messages, (Service Emission's System, 175 mi Until 65 MPH Max Speed). The dealer picked it up and gave me a loaner vehicle. They called and said the DEF tank needs to …The check engine light is a common feature in most modern vehicles. It serves as a warning system, alerting drivers to potential issues with their vehicle’s engine or emissions sys... Okay, speed is limited in warning levels 5 through 8, so that is where you are. This means that you cannot reset by driving. You will need to do a stationary reset. Park the vehicle on level ground, make sure you have added more that one gallon of def, and start the truck to let it idle for 30 seconds. 2020 Duramax Service DEF System Alert. Drove the truck as normal all last weekend w/ no issues. Went to remote start and go to work Monday AM, no remote response. Get into the truck and start, immediately get engine light and "Service Emission System" warning, 174 miles until 65 MPH max speed. Later in the day the message changes to "Service ...158 posts · Joined 2021. #13 · May 4, 2022. The DEF sensor inside the tank is known to have issues. Mostly due to DEF crystallizing and giving false info to the sensor. And depending on how much DEF you have in the tank at that moment, the crystal might dissolve and clear the code. Sometimes it doesn’t.Feb 20, 2023 ... Comments2 ; Chevy DuraMax Diesel Exhaust Fluid Quality Poor How To Test & Fix. Our Tennessee HomeStead · 69K views ; 2013 Silverado Duramax Speed ....253 posts · Joined 2022. #1 · Oct 1, 2023. I've put 10K miles on my Escalade in 10 months with zero issues. Today I jumped into the car and got the following message: "Service DEF System" and "96 mi Until 64 MPH Max Speed". I have a service appointment for Tuesday, but am a little concerned as I have a long 1K drive coming up in 2 weeks.The Duramax diesel engine available on 2011-2016 GM full-size trucks and vans requires injection of Diesel Exhaust Fluid (DEF) as an integral part of the exhaust after-treatment process that reduces emissions. DEF is a colourless, clear solution of water and nitrogen-based urea product that has 32.5 percent urea by weight.Jun 26, 2020. #6. A Reductant System Malfunction Service Bay Test is required when the Service Emission System message or Service Exhaust System message is displayed on the driver information center (DIC). Not sure what scan tool you have but this is the test I run to clear the messages after replacing a DEF heater. D.Oct 19, 2022 ... You Can Now Tune And Delete A L5P Duramax From Home! ... 2021 Duramax Service DEF Message - No Comm. ... 2018 GMC Sierra 3500 L5P Duramax rear ...#1. Had the message Service Def System see dealer message pop up today while towing my camper home. Message stayed up for about 15-20 minutes then …Nov 22- #2 nox sensor and def injector replaced couldn’t clear poor def fuel quality message so sent to dealership and reprogrammed ecm. Message cleared. Jan 23- same message of poor def fuel quality. Replaced #1 nox sensor. Message won’t clear and dealership say sensors all reading correctly. That is when they said def filter is plugged.Environmental management systems (EMS) are crucial for organizations aiming to reduce their environmental impact and operate sustainably. Before embarking on the implementation of ...6.5L Diesel Engine Duramax First Generation: 2001-2004 (LB7) Duramax Second Generation: 2004.5-2005 (LLY) 6.2L Diesel Engine Fuel System, Air, Exhaust & Emissions Upgrades Top Contributors this Month View AllWhether you’re hosting a wedding or putting on a concert for friends, a great loudspeaker or public address (PA) system will help you deliver — and amplify — your message. But not ...A Duramax diesel vehicle may have the following additional DIC menu items: Exhaust Fluid Level : The Diesel Exhaust Fluid (DEF) level will be displayed as either OK, XX%, or LOW. When LOW appears on the display, add DEF as soon as possible. See Diesel Exhaust Fluid pg 37. These are from the 2018 that I had. Above about 30% it will …2012-2014 Diesel Exhaust Fluid (DEF) DIC Messages: Service Exhaust Fluid System (Tamper): This message displays when a DTC sets related to the DEF system that is interpreted as tampering with the system. A detailed warning strategy is explained in SI Document 2595030. Exhaust Fluid Quality Poor: This message displays when the …Wait for up to 30 seconds with the engine running for the Exhaust Fluid Empty DIC message to clear. If the vehicle is driven prior to the Exhaust Fluid Empty message clearing, the vehicle will still be speed limited. If the Exhaust Fluid Empty message clears while driving, the vehicle must be brought to a complete stop to release the speed ...Adding a tuner is going to add another $900-$1,500 to the price tag. Therefore, a full delete is going to run somewhere between $1,200 and $2,500 depending on the route you go. How to delete your 6.6L Duramax LML DPF system, including benefits, downsides, performance gains, and more considerations for deletes.Jul 1, 2020 ... You Can Now Tune And Delete A L5P Duramax From Home! *Watch Before This Video Gets Taken Down*. Truck Master · 295K views ; Duramax 6.6L Service ...2019 GMC 2500 6.6 / 55,000 Miles. Was on a road trip last night and got a DIC warning that I had 175 miles until I was limited to 65 mph. Stopped and put in 2.5 gallons of DEF. After driving another 75 miles or so and trying several on/off with the ignition it didn't reset, so I topped it off with another 2 gallons.Here are some tips on how to keep your Duramax fully functional and clean: 1. Check the air filter regularly. Replacing the air filter can help reduce NOx emissions. 2. Keep the fuel system clean. Scanning for clogged filters, dirty injectors, and fouled-up injection systems can help prevent buildups of pollutants that could cause an emission ...2020 Duramax Service DEF System Alert. Drove the truck as normal all last weekend w/ no issues. Went to remote start and go to work Monday AM, no remote response. Get into the truck and start, immediately get engine light and "Service Emission System" warning, 174 miles until 65 MPH max speed. Later in the day the message changes to "Service ...In today’s digital age, where communication happens predominantly through online channels, the importance of clear word pronunciation cannot be overstated. Clear online word pronun... The Service Def System Message is an indication that there is an issue with the Diesel Exhaust Fluid (DEF) system in your Duramax vehicle. DEF is a solution that helps in reducing harmful emissions from the vehicle’s exhaust system. When the DEF system malfunctions, the onboard computer detects the issue and triggers the Service Def System ... Feb 25, 2022 ... GM Duramax: "Service Emissions System" but no DTCs?? ... How To FULLY DELETE L5P DURAMAX 2017-2023 ... Experts Shares Diesel Exhaust Fluid Info ...20 posts · Joined 2014. #6 · Feb 16, 2021. I got the same message the other day and truck went into “limp mode” DIC says service emission system. Checked for codes and got P0106. MAP/ barometric pressure. I spoke to service this AM and was told it has to do with the placement of the sensor.Jun 22, 2023 · Sometimes when you derive a Duramax vehicle, you may have encountered the frustrating “Clear Service DEF System Message” on your dashboard. This message indicates an issue with your diesel exhausts fluid (DEF) system and requires attention to clear it. To start the reset process, you should first turn off your engine. Then, disconnect the battery’s negative terminal. This action helps to reset the onboard computer system. Wait for about 15-20 minutes before reconnecting the battery. This simple step could resolve the issue and is often the first attempt to clear a Duramax limp mode reset.Nov 12, 2017 · Service emissions message. We've had our 2015 3500HD for about a year now. First diesel I've owned. Changed the fuel filter today for the first time. After taking quite a few times priming it is got it to start. Upon starting it now reads on the dash service emissions see owner's manual 175 miles until 65 mph max. Easiest way is to lower tank a bit to find the harness going to tank heater on top of tank. You find to wires coming out of the main def system harness leading to a two wire plug on top of tank. From the plug the wires continue to the sending unit. Unplug the plug and check resistance, if unusally high or an open is found it is bad.Jun 29, 2017 · 64 posts · Joined 2012. #1 · Jun 29, 2017. OK, Message on dash says to service DEF system, 147 kilometers until reduced max speed 105 km/h. Code P20b9 shows up on the scanner. I'm 275 kms from home. So finished the trip, in limp mode and took it to the dealer who informed me that my extended warranty does not cover the DEF system PERIOD! When your Duramax diesel displays a water in fuel message, the first step is to drain the water from the fuel filter water separator. This component is specifically designed to capture water before it enters the engine. To do this: Locate the water separator near the fuel filter. Place a container underneath to catch the water.1.2.1 Step 1: Identify the Warning Message. 1.2.2 Step 2: Check DEF Level and Quality. 1.2.3 Step 3: Refill or Replace DEF if Needed. 1.2.4 Step 4: Clearing the Exhaust Fluid Quality Poor Message. 1.2.4.1 4.1 Resetting the Message Using the Vehicle’s Onboard Computer System.20 posts · Joined 2014. #6 · Feb 16, 2021. I got the same message the other day and truck went into “limp mode” DIC says service emission system. Checked for codes and got P0106. MAP/ barometric pressure. I spoke to service this AM and was told it has to do with the placement of the sensor.Apr 18, 2021 · In This video I go through all the steps to troubleshoot Poor Quality DEF Warning. Hello my name is ***** ***** I'll be happy to help you, if service emissions system message is displayed and you have a tech 2 scan tool, connect the scan tool to the vehicle and go to the output control menu and with the engine running at idle select Reductant System Malfunction Warning Test then select start and the test should run for about ...If you need to reset the service def system and see a dealer, start by making sure your car is up to date on all routine maintenance. Next, check with the manufacturer’s website or owner’s manual for specific instructions on how to reset your particular vehicle’s service def system. Share. BalderVerdandi. • 2 yr. ago. EFI Live or EZ Lynk will be your best options to "turn off" the DEF system. You can do what's called a "California delete" - remove the spring and plunger on the intake side, unplug the electronics on the engine, remove the DPF and replace it with a piece of 4 inch exhaust pipe (some include this with their ... To reset your engine system properly, you’d have to disconnect the negative battery cable and let your engine drain away all its power by waiting for about 30 minutes. This will force the computer to reset on its own. Later on, you need to use a code reader, pour in enough DEF, and take the vehicle to a repair shop .M. mschreib81 Discussion starter. 5 posts · Joined 2022. #1 · Jul 1, 2022. I purchased a 2022 GMC Sierra 3.0 AT4 refreshed on 5/31, it currently has 1700miles, 3 days ago on my way to work I got a check engine light and a notice to service emissions systems. Once at the dealer they told me that it was most likely due to using biodiesel …The def system has a lot of variables. The biggest thing I have seen is to make sure that you fill it with the key off. ... The dealer said it will probably give me the need def message at about 6000 miles. It is hard to get a definite answer. The book doesn't seem very clear about it. ... Duramaxdiesels.com was founded in 2006 and created a ...3) Mbrp down pipe (some say not a necessity) 4) Flo pro 5" straight pipe (of course you'll need a new exhaust) Now here's where it gets expensive: 5) Sportsman Cp3 conversion. 6) Fass titanium 165 lift pump. Two items you ought to consider if you haven't already. At the very least a lift pump.Feb 9, 2018 · 3) Mbrp down pipe (some say not a necessity) 4) Flo pro 5" straight pipe (of course you'll need a new exhaust) Now here's where it gets expensive: 5) Sportsman Cp3 conversion. 6) Fass titanium 165 lift pump. Two items you ought to consider if you haven't already. At the very least a lift pump. To start the reset process, you should first turn off your engine. Then, disconnect the battery’s negative terminal. This action helps to reset the onboard computer system. Wait for about 15-20 minutes before reconnecting the battery. This simple step could resolve the issue and is often the first attempt to clear a Duramax limp mode reset.February 10, 2021. The Emission Reduction Fluid Tank heater may be faulty on some 2020 Silverado 1500, Silverado 2500HD/3500HD, Sierra 1500, Sierra 2500HD/3500HD; 2021 Tahoe, Suburban, Yukon and Escalade models equipped with the 6.6L Duramax diesel engine (RPO L5P) or 3.0L Duramax diesel engine (RPO LM2). If …A contaminated diesel exhaust fluid (DEF) system can be cleared using a vinegar solution. Meanwhile, this is how to clear the service exhaust fluid system in your truck: Mix 1 part of vinegar with 3 parts of water. Then, pour the solution into the diesel exhaust fluid tank.February 10, 2021. The Emission Reduction Fluid Tank heater may be faulty on some 2020 Silverado 1500, Silverado 2500HD/3500HD, Sierra 1500, Sierra 2500HD/3500HD; 2021 Tahoe, Suburban, Yukon and Escalade models equipped with the 6.6L Duramax diesel engine (RPO L5P) or 3.0L Duramax diesel engine (RPO LM2). If …

Here are some tips on how to keep your Duramax fully functional and clean: 1. Check the air filter regularly. Replacing the air filter can help reduce NOx emissions. 2. Keep the fuel system clean. Scanning for clogged filters, dirty injectors, and fouled-up injection systems can help prevent buildups of pollutants that could cause an emission .... How many levels is 500 000 xp in fortnite

how to clear service def system message duramax

Issues with a dog’s respiratory system or heart can cause a dog to cough up clear fluid, or mucus, according to PetCareRx. Dogs may also cough up clear fluid when experiencing prob...Cleared the codes, can't get the message to go away, permanently. Today, I used the edge to go from Stock to Tow, and message went away, Edge showed 100% DEF, truck shows 29%. Started truck (without turning key off), drove truck, no message, all seemed good (other than DEF on truck reading too low).Sometimes it can take several miles of driving and/or several restarts for the system to reset. There was a reset programming problem on the 2011's, but that should not be the issue with your 2013. 2023 LZO Sierra 4x4 crew 6.5 box. Sold 2021 LM2 Sierra 4x4 crew 6.5 box, 2018 L5P Sierra 4x4 SB, 2011 LML Sierra 4x4 CCSB, 2010 LMM, 2004.5 …EMPTY message appears, it may. take several km/miles for the DIC. message to update. If the vehicle speed has been. limited and DEF has been added, it may take up to 30 seconds. after engine start with the vehicle. stopped for the EXHAUST FLUID. EMPTY message to clear.2 posts · Joined 2017. #1 · Dec 29, 2017. I have a 13 lml and it has 76,000 miles on it. It has been to the dealer 8 times for emission issues. Just this winter alone it has been in twice to replace the DEF tank heaters. The engine light is currently on, giving me messages on the dash and the truck is currently in the limited speed mode again!Crystals obstruct the sensor and affect the level of accuracy. As a result, the computer will pick up on this and display the ” Service DEF System See Dealer” warning message. 5. Low Diesel Exhaust Fluid. The fourth and final reason for the “Service DEF System See Dealer” warning is that the fluid level has dropped too low.288 posts · Joined 2014. #3 · Apr 4, 2018. If you delete the need for DEF, I think you will need to remove / hollow out the DPF or it would soon plug up and cause overheating and power loss. 2018 Denali Dually CC 4x4 all stock- for now! all bells and whistles freshly installed trailering camera system including mirrors and CMHL camera.vehicle may require service. The light should come on to show that it is working when the ignition is on with the engine not running. See “Ignition Positions” in the owner’s manual. This light may also come on when the system has detected a problem with the Diesel Exhaust Fluid (DEF) management system. See Diesel Exhaust Fluid 0 11.I've been considering doing a delete - is now the time to take that plunge? Reactions: Admin. Save Share. Like. ... got a message to service DEF system. Dealer found shorted DEF tank heater. Replaced it. Replaced reservoir. ... A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Come join the …At least I would have filled some fluid into the tank before going to the dealer, just in case. I have a 2012 Duramax, and when my "service exhaust fluid" message came on, I actually had enough DEF in my tank. The dealer checked and it was due to a bad DEF heater. The DEF systems have been notorious for problems.Aug 11, 2023 ... Customer states service exhaust fluid system message ... How to: DPF/DEF DELETE 2.8L Duramax Chevy Colorado ... Diesel Exhaust Fluid Tank ....

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