2024 How to clear service def system message duramax

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. . Fares fares nyc

You will first need to disconnect the battery wires and then remove the cover of the CCU. Once in, use a multi-meter to check for voltage at pins J1 (map sensor), B1 (engine control module or ESM), and K1 (fuel injection). If any of these readings are low, then you will need to clear the code by removing and replacing resistor R3."If any of the codes listed below are present, all of the codes in the same group or "bucket" must run and pass before the Reductant Fluid Quality Test (RFQT) or Reductant System Malfunction Warning Test will run and pass to turn off the Service Exhaust Fluid System message or the Service Emission System message.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 ...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 …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.Then tcm then remove the appropriate fuses. Take a drive. If no messages display then move onto the hardware aka exhaust system. If you have messages you may have to replace the hardware clear all codes then start from scratch. Ouch, if I hook up all connectors with no exhaust thats gonna be a pain. Damn.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.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.Email has become a primary form of communication in the modern workplace. As such, it is important to have an effective system in place for managing the messages you receive. Here ...Here’s how the system tackles this: When diesel fuel burns in the engine, it creates NOx gases. These gases move through the exhaust system and, just before reaching the SCR catalyst, the fluid is injected. The heat in the exhaust turns DEF into ammonia. When the ammonia mixes with NOx in the presence of the SCR catalyst, a …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 ...May 4, 2020 ... Should I Delete My Diesel? ... Duramax 6.6L Service exhaust fluid system - most common fix P21DD P20B9 ... 2021 Duramax Service DEF Message - No ...Last weekend I got the "Service Emission System" message and the Check Engine light came on. ... got a message to service DEF system. Dealer found shorted DEF tank ...Disconnect the chassis side fuel feed hose (3) from the engine side fuel feed pipe (4). Place the end of the chassis side fuel feed hose into a clean container and run the fuel pump to clean any debris left in the fuel lines, approximately 2-3 gallons (7.6-11.4L). Clean the fuel/water separator reservoir.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 ...Whether 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 ...Finally got the "Service Exhaust Fluid System NOW". So, yesterday, out of the blue, i go to start the truck up to check for any leaks on my airbag install, when i get the dreaded Service Exhaust Fluid System- See owners manual NOW message. Naturally none of the dealers in the area can look at it until next week.It ran fine for the first 3,200 miles then upon startup this evening after filling up at the Shell fuel station in Frederick, MD off I-270/85, it immediately threw up the yellow engine warning icon and said "Service Emmissions System", see owner's manual, 175 mile limit and 65 mph max speed. WTF.Feb 18, 2019. #1. Having a problem with my def system have a efi live tune in my LML started to show a service emission system code now cleared it a couple of times before. My question is anyone out there with a def delete tune it's for off road use only . Plan on putting a down pipe n 5 in exhaust system on it in very near future all help is ...To clear the DEF System Message in your Duramax truck, you’ll need to follow a few simple steps. First, you’ll need to understand what the message means and why it’s important to clear it. Next, you’ll need to gather the essential tools you’ll need to clear the message.I got the "Diesel Particulate Filter needs cleaning" message and hit start (while driving) and then the "Service Emissions System" message came up. It stayed on for about 40 miles of highway driving and then went away; Diesel Particulate Filter page says "Filter is Clean" CEL is still on, however. This occured after the following recent ...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...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. Environmental management systems (EMS) are crucial for organizations aiming to reduce their environmental impact and operate sustainably. Before embarking on the implementation of ...Some customers may comment that the MIL is illuminated and a reduced power message with a Service Emissions System message as well. Some technicians may one or more of the following DTCs set in the Engine Control Module (ECM): • P20C1: Reductant Heater 3 Control Circuit • P21DD: Reductant Tank Heater 1 Low CurrentThe 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 portCleared 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).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://...STEP 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 ...Condition/Concern: A dealer may encounter a customer concern of an Exhaust Fluid Quality Poor message displayed on the DIC. The dealer may or may not find DTCs stored. An Exhaust Fluid Quality Poor message can be displayed with no DTCs. The Exhaust Fluid Quality Poor DIC message notifies the customer that the ECM …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 say DEF Level OK.Instagram is finally preparing to copy Snapchat’s most popular feature, and one of the few it hasn’t already cloned. Instagram has prototyped an unreleased ephemeral text messaging...Jan 4, 2023 ... Installing the DEF tank assembly on a 2020 GMC 2500hd. Applies to 2020-2022 GMC and Chevy trucks with the Duramax.The DEF system reset procedure is simple and only takes a few minutes to complete. To reset the Duramax DEF system: 1. Start the engine and let it idle for a few minutes to warm up. 2. Locate the DEF fill port on the side of the vehicle (it will have a blue cap). 3. Remove the cap from the fill port and insert the funnel.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. Dec 17, 2017 · CNS8888. 391 posts · Joined 2015. #10 · Dec 17, 2017. What I've read is that when the temps are low, like the 21F shown on your dash, the DEF will start to freeze and expand setting off a sensor. Once the DEF's contracted back by turning back fully to liquid, the message goes away because the sensor is no longer tripped. This letter was intended to make you aware 2016 GMC Sierra models have a condition which causes an offset in temperature sensor in diesel emissions reduction fluid (DEF) tank reservoir or causes def heater performance to degrade. IF this occurs the Check Engine light will illuminate the "service Exhaust fluid system or "Service Emissson …It can also be a failed or failing DOC or DPF. If you have a scanner or data display that shows the temp sensors in the exhaust you should see the DPF inlet and outlet temps come up around 1200 degrees or so during regen. If one is lower than the other by a significant margin that can indicate an issue.What I've read is that when the temps are low, like the 21F shown on your dash, the DEF will start to freeze and expand setting off a sensor. Once the DEF's …Feb 20, 2023 ... Comments2 ; Chevy DuraMax Diesel Exhaust Fluid Quality Poor How To Test & Fix. Our Tennessee HomeStead · 69K views ; 2013 Silverado Duramax Speed ....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.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 say DEF Level OK.In some cases, this message will clear itself, indicating that the DEF system was able to correct the condition. If the DIC message persists, see your dealer or additional DIC messages may display. Service Emission SystemNov 18, 2023 · There are four primary emissions systems on the L5P. EGR, DOC, SCR, and DPF. All of these systems with the exception of EGR sit within the exhaust system. Deleting the L5P DPF will remove not only the DPF but also the DOC and SCR components, and the need for DEF fluid. The EGR must be deleted separately. 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.This is my second Silverado 1500 with the 3.0 Duramax. First one was a 2020 and the truck was awesome and never ever had any problems. I traded it at 65,000 miles for a 2021, the 2021 has problems. At random distances I am getting "Service DEF System" and the truck starts slowing itself down. The truck has 21,000 miles on it now.Dec 31, 2021 ... How to reset DEF message on a Dodge Ram (2016) with a Cummins Diesel Engine. The Service DEF System Message or P202e Code is a genuine game ...It ran fine for the first 3,200 miles then upon startup this evening after filling up at the Shell fuel station in Frederick, MD off I-270/85, it immediately threw up the yellow engine warning icon and said "Service Emmissions System", see owner's manual, 175 mile limit and 65 mph max speed. WTF.INFORMATION. This vehicle is equipped with a DEF Quality sensor that is integrated into the DEF tank. The value of this sensor can be read in the reductant data as the Reductant Concentration. If this concentration falls below 26%, the Exhaust Fluid Quality Poor message will be displayed on the DIC. The NOx Catalyst Reductant-Load Adaptive ... 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. The heater circuit is now open so i repaired it myself and reset the codes. I still can't get the service def system to go away. The truck is now in limp mode and has no codes. Any idea how to get it reset without a tech2.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.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 …For a DEF quality code to clear, it has to run and successfully pass the Reluctance Fluid Quality Test. This is a running stationary test done with the factory …Junk hauling services are a great option if you’re looking to clear out junk and debris but don’t want to do the heavy lifting. This is a guide to finding the right junk hauling se...It is not possible to recall a sent email in Hotmail, because the Hotmail email system does not currently offer that service. However, Gmail does offer that service. To recall an e...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 ...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 ...It ran fine for the first 3,200 miles then upon startup this evening after filling up at the Shell fuel station in Frederick, MD off I-270/85, it immediately threw up the yellow engine warning icon and said "Service Emmissions System", see owner's manual, 175 mile limit and 65 mph max speed. WTF.CEL , service emissions, 160 miles to speed limiting . Def Guage on the dash read 3/4 full . Out of desperation , stopped and bought more fluid . About a gallon to top it off . Drove it 240 miles home , no issues , CEL off . Dealership checked it out , ordered a new tank . Told me to keep the def tank full until the new part arrives.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.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 …Once it got to about 75 miles it reset itself (may have been from starting it multiple times) and hasnt been back since. Service dept said its most likely from the temperature since it was about 108 that day, but they "werent sure without rooting around in the system". 2012 GMC Sierra 2500 CCSB. Carbon Metallic.Junk hauling services are a great option if you’re looking to clear out junk and debris but don’t want to do the heavy lifting. This is a guide to finding the right junk hauling se...2011 DEF issues. This truck is a 2011 with 24K miles as it is one of my vehicles used only to move the 5th wheel to and from our property or hunting season for the boat and gear. Friday After about 2 hours of driving the "service DEF" light came on at the same time as the "Service Engine" light. The display says "service Required see owners ...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 ...Last weekend I got the "Service Emission System" message and the Check Engine light came on. ... got a message to service DEF system. Dealer found shorted DEF tank ...10 posts · Joined 2017. #4 · Mar 31, 2017. According to Dennis Dillon techs who are (supposed) to be GM certified. They said there is no DTC errors. Those were cleared. #2 NOx sensor replaced and on the DIC portion it shows def fluid quality poor and shows speed restriced to 55mph.Junk hauling services are a great option if you’re looking to clear out junk and debris but don’t want to do the heavy lifting. This is a guide to finding the right junk hauling se...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.Jan 17, 2021 ... ... clear the code and take a look at the data coming from the system via ... Duramax "Service Emission System" Part 2. Boatman Auto•2.8K views · ...Step 1: Prepare the Vehicle. The first step in clearing the service emission system of a Duramax diesel engine is to prepare the vehicle. This includes making sure the engine is at operating temperature and the battery is fully charged. It is also important to park the vehicle on a flat surface and make sure the parking brake is engaged.Jul 1, 2022 · 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 and ... The Secure Sockets Layer / Transport Level Security system that underpins secure connections on the Web does more than just scramble information. It also checks the identities of s...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 ...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!Step 1: Prepare the Vehicle. The first step in clearing the service emission system of a Duramax diesel engine is to prepare the vehicle. This includes making sure the engine is at operating temperature and the battery is fully charged. It is also important to park the vehicle on a flat surface and make sure the parking brake is engaged.The PCM will turn off the MIL when the diagnostic runs and passes in three consecutive drive cycles, and will turn off the “Service DEF System See Dealer” EVIC message only when the diagnostic runs and passes, or the PCM is reflashed. Clearing the code will not erase the message. Cause: DEF QUALITY SENSOR CONNECTOR …Feb 15, 2023 · STEP 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 ... About 2 weeks ago we were traveling to Savannah with 5th wheel in tow and the "service Def System" message appeared. Truck has 8600 miles. Once the message disappeared and display went back to the vehicle info I scrolled down to the messages and it was gone. Hmmm cool it cleared its self. 2 days later it came back followed by the CEL.I was just cheaper to not put one on there. Anyway, the dealer removed the fill tube at the top of the tank and drained it from there (after I told them I didn't think they needed to drop the tank). I really needed a tire rotation so that plus the drain and refill with GM DEF came to $200.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 portSometimes 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 LLY.Jan 1, 2016 · 11 posts · Joined 2015. #1 · Jan 1, 2016. I picked up my new 2016 Denali HD from my dealer today for the second time, and after I got home it is now throwing a "Service Exhuast Fluid System" "Speed limited to 65 mph after 82 miles." I initially thought it was low on DEF, so I added 5 gallon, and then realized it was saying "Service" and not ... GM has issued service bulletins #PIP4887A and #12-06-04-002E to address a Service Exhaust Fluid System Message and trouble codes P203D, P21AB, or P21B0 on the trucks listed below. If you see the “Service Exhaust Fluid System” and a “See Owner’s Manual Now” message displayed on the instrument cluster and scan the vehicle and find ...

2010 (Vans with LHG only) and 2011 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 2410875. Exhaust Fluid Quality Poor: This message displays .... Aetna nationsbenefits participating stores near me

how to clear service def system message duramax

1. Collect a DEF sample of about 150 ml (5 oz.) from the DEF tank in a clear container. The DEF sample should be clear with no obvious coloration when held up to a light. As clean DEF is clear, contamination by any common automotive fluids will cause the DEF to exhibit a trace of color associated with a specific contaminate.darmah59_6329. 427 posts · Joined 2021. #14 · Jan 6, 2022. DEF is used about 3%, so assuming you are getting 6 mpg towing that heavy load for 10,000 miles that is 1600 gallons of fuel and 50 gallons of DEF, the tank is not that big. Someone has messed with your truck and never told you, bad bad news.Apr 11, 2018 · 566 posts · Joined 2013. #2 · Apr 12, 2018. If the pump module was replace, you need to perform the Tech-2 Reductant System Reset. Each one of the three DEF heaters needs to be commanded on for 10 seconds. 2013 Chevrolet 2500HD LTZ Z71. Here goes: 2016 LML completely stock. 14k. My DEF showed it was at 15%. I put in one jug (2 1/2 gals). Approximately 10 miles later, the "Service Exhaust Fluid System" warning screen, and the "99 miles until 65MPH," along with the engine light, and the DEF light. I can imagine that the truck was getting an incorrect signal, since I just put …When it comes to clearing land on your property, it’s important to hire a trusted and experienced professional. But even more important than that is hiring a local land clearing se... To clear the DEF System Message in your Duramax truck, you’ll need to follow a few simple steps. First, you’ll need to understand what the message means and why it’s important to clear it. Next, you’ll need to gather the essential tools you’ll need to clear the message. 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.Solutions: Clean or replace clogged components and adhere to proper maintenance schedules. Issue 6: DEF System Tampering. Symptoms: Warning lights, decreased fuel efficiency. Causes: Unauthorized modifications to the DEF system. Solutions: Avoid tampering and maintain the system according to manufacturer …10. 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 ...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...The apparent problem resolution flowchart dictates 1. re-flash the computer (due to being programmed to be overly sensitive), 2. Replace DEF system reservoir which also contains all dispensing mechanisms (which assumes that the DEF fluid is not being sprayed into the exhaust stream in adequate amounts or manners), 3.3.Remove the Q61 emission reduction fluid injector from the exhaust pipe leaving the reductant line and electrical connector connected. Place the Q61 emission reduction fluid injector into a suitable container. 4.Ignition ON, command the Reductant System Leak Test ON with a scan tool.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.darmah59_6329. 427 posts · Joined 2021. #14 · Jan 6, 2022. DEF is used about 3%, so assuming you are getting 6 mpg towing that heavy load for 10,000 miles that is 1600 gallons of fuel and 50 gallons of DEF, the tank is not that big. Someone has messed with your truck and never told you, bad bad news.Yes, I am aware of the terms and processes along with my own states law as it's not the first one I have had to pursue lemon law on either. Back on topic, still looking for a programmer that is able to clear DEF/emissions codes. 2012 GMC 3500 SRW, Crew long box, Rancho 4in, 285/75/18 Nitto G2's, LEER shell, Fab Fours bumpers, deletes coming ...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.May 14, 2020 · 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. .

Popular Topics