How to reset def light on 2011 duramax. Mar 8, 2012 · Have a 2011 bought in April 2011.
How to reset def light on 2011 duramax. Let’s take a closer look at the Check Engine Light on Duramax diesel trucks, what it may mean, and how the team at Branch Automotive in Littleton CO can help. (lots and lots of theories were tossed out) For a period of time late winter/early spring, GM was updating the programming every 2 weeks trying to resolve the issue. Some are not a big deal, while others will need your immediate attention to keep the vehicle running smoothly. Jan 20, 2015 · I just bought a 2011 GMC 2500HD and after topping of the DEF tank the gauge cluster reads 116 miles to empty and continues to drop. Miles for each step of the escalation scheme seems vary a little depending on which problem code has come up (def quality vs low/empty def tank) and for which model/year. 8 Duramax Diesel DEF system. I pull over, add DEF while running, and call a dealership 20 miles down road. Any luck from other owners with the same problem? Thanks Apr 30, 2018 · My truck recently went into limp mode/ de-rate to 55mph due to DEF fluid issues. But don't worry, we've got your back. They result in different speed limitations. Since I already had it, I replaced the downstream NOX sensor. Just got a service warning for my Diesel Exhaust fluid with engine light and exhaust light. Heard so many bs stories from the dealer. Using Snap on Apollo D8, I’ve reset everything related to the reductant system and it will not go away. Following these checks, disconnecting the battery’s negative terminal for 15-20 minutes is typically sufficient to reset the onboard computer. I have replaced def injector, def pump, both NOx sensors, def level sensor and new def fluid! Mar 17, 2022 · OK. I got up this morning and added another 2. I pull in to a parking lot next to dealer, shut truck off and unhook trailer. May 7, 2016 · 2015. The oxygen sensor is an important component of the vehicle’s emissions control system, and it monitors the amount of oxygen in the exhaust gases. It usually illuminates once your ride’s computer detects low diesel exhaust fluid levels. 2011 was the first year of the DEF system and 10 years later GM engineers still can't work the bugs out. It'll likely take 10-15 mins and should be free. Jun 22, 2023 · 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. How do you reset the diesel exhaust fluid on a Chevy? Resetting the DEF system in your Chevy is the best way to deal with the sudden trouble code on the dashboard. On that occasion it was a cold DEF safety shutdown. Click the ‘Module setup’ by turning on the scanner. Aug 6, 2012 · WTF, now I am pissed. After a normal DEF tank fill, the DEF fluid level reading (on Tech 2) should have increased to 100%. It read 200 miles remaining. Okay this should do it, this information is straight from GM TSB #10-06-04-013C: Information on Diesel Exhaust Fluid (DEF) Filling Instructions, Frozen Tank Status and General Information - (Dec 22, 2015). With mine the light comes on when driving at highway speed about 15-20 minutes into my trip. 1) Fill the DEF Tank to the Appropriate Level. This is the first thing that should be done when the DEF light comes on. Aug 8, 2012 · Truck just had def put in about 50 miles ago but I am now getting a service exhaust fluid system message and some kind of icon in the dash that looks like a cloud coming out a tailpipe. 5 gallons. Jan 4, 2018 · A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. If the special DEF level reset selection is not found in TIS2WEB, please contact the GM Techline Customer Support Center (TCSC) at(NNN) NNN-NNNN(800-503-3222 French) so the DEF level reset ECM programming option can be added. Found a local shop with the scanner they reset the DEF sensors and cleared the issue. 6L Duramax diesel engine or 3. The heater circuit is now open so i repaired it myself and reset the codes. Key off the ignition for at least 2 minutes (may be up to 5 minutes). Apr 11, 2018 · If the pump module was replace, you need to perform the Tech-2 Reductant System Reset. Only charged me $20. May 20, 2023 · 2. If the DEF level falls too low, the engine will not start until fluid is added. I am also debating just deleting but not sure what to go with. Perplexed, I research once I get back to the hotel Grab my scan tool for codes. Feb 8, 2016 · How do I reset my 2016 2. 6l 3500hd As title states, I replaced my DEF Heater recently. I replaced the upstream NOX sensor a year ago. then reset the filter. Whenever you see the check engine light turn on in your Chevy Duramax, it is important […] The post What To Do When Your Chevy Duramax Check Engine Light Comes On Jun 27, 2012 · DEF system counting UP instead of Down In July I was headed on a 1500 mile round trip for vacation. Jun 22, 2022 · The DEF tank heater may be faulty on some 2020-2021 Silverado 1500, Silverado 2500HD/3500HD, Sierra 1500, Sierra 2500HD/3500HD; and 2021 Tahoe, Suburban, Yukon and Escalade models equipped with the 6. The underlying issue can range from minor to more serious auto repairs. DIC still reads low and mileage dropping. Sorry guys but some of this stuff just can’t be done without a good scan tool. Mar 28, 2016 · 2009 GMC Sierra 2500HD SLE CC/SB 4x4 LMM EFI Live, Edge Insight CTS, Flo~Pro 4" DP back exhaust w/ muffler & stock trumpet tip, Alum. I seem to have miss placed the diesel supplement of my manual so thought I'd ask you guys here. Check the DEF Sensor. The engine light is often triggered by several issues. I get my new 2013 2500 Duramax Sept 4, 2012. Nov 3, 2020 · Yes. Your vehicle can go on reduced power mode if you ignore a DEF warning light. 5 gallon jug of Blue DEF which to my knowledge is API ISO 22241. When DEF is frozen, adding DEF may not be recognized until the fluid around the Discrete Level Sensors (DLS) has thawed. Mar 8, 2012 · Have a 2011 bought in April 2011. Each one of the three DEF heaters needs to be commanded on for 10 seconds. Went into the shop in August 2011 for that same problem. This is a running stationary test done with the factory service tool. Apr 23, 2014 · Replaced sensor and drained DEF fluid and put fresh stuff in and did a forced regen. Dec 7, 2023 · The LLY Duramax and Water in Fuel. Have removed DEF tank, cleaned system with water, checked wire harness continuity OK, New tank heater, New DEF injector to exhaust, New DEF fluid. Perform a Manual Reset Dec 6, 2020 · DEF Poor Quality Reset. I found this post and it worked. Dec 2, 2023 · The DEF is a liquid used in diesel engines, such as Duramax, to reduce the amount of air pollution. Your LLY Duramax is more than a powerful engine; it’s a complex assembly that, like all Duramax variants, may occasionally display a water in fuel (WIF) warning message. Oct 25, 2022 · Cleared the codes, can't get the message to go away, permanently. I have tech 2 and have tried everything i can think of. For some reason this did not reset. Add a few liters of fluid, then turn the ignition on for 30 seconds. Mar 28, 2018 · For a DEF quality code to clear, it has to run and successfully pass the Reluctance Fluid Quality Test. After filling the tank with DEF, start the truck and let it idle for 50 seconds. Faulty O2 sensor. Dec 8, 2023 · To start the reset process, you should first turn off your engine. My DEF tank is full but im still getting a 24% level warning off my dash 2011 GMC: 2500 Diesel a warning light Sep 18, 2020 · As a result, automakers have come up with a variety of strategies to deal with this situation. May 5, 2015 · The New 2015 Duramax trucks have the DEF under the passenger floor (you can see the big black tank for the DEF hanging there away from the engine heat. Called nearest dealership the service advisor instructed me to add more fluid that it sometimes takes over 7 gallons to Customer: 2015 Duramax DEF light won’t reset after adding fluid and speed has been reduced to 55 mph. If you know you have good DEF in the tank, and it just didn't reset, just stop by a dealership and have them reset it. Jun 3, 2007 · The DEF tank uses a three-position level sensor (four electronic probes). 5 LML just shy of 6000mi. Using any other DEF fluid might end up ruining your system. Now it says "528 miles remaining". Service emission system message highlights Aug 27, 2022 · There are 1000's of posts on 'Poor def quality', 'low def quality', etc When the 64 mph limit miles are done, Next limit is 75 miles a 55 mph. Wait for about 15-20 minutes before reconnecting the battery. Mar 3, 2019 · Now I had a p20b9 and service def system light come up. The display says "service Required see owners manual" but nothing Sep 9, 2013 · Added one 2. 0L Duramax diesel engine. If you pinpoint issues with the sensor, it might require cleaning or replacement to ensure proper readings. The longer I drove the higher that number became. Refilling it is the easiest first step. turn the ignition off and it should be reset on next power up" Jul 15, 2021 · Thanks Snipesy I ordered the scan tool dedicated a tablet to it, used a scope to inspect DPF, performed a pressure cleaning (Liqui Moly)then used scan tool to diagnose started with a -40 EGT at position #3 replaced sensor then initiated a normal Regen no EGT rise next step was #9 injector problem solved. The DEF fluid got low. 4. Then 4 mph limit. I still can't get the service def system to go away. Jan 1, 2022 · One is 'Service DEF System, the other is 'Service Emissions System'. Not Customer: 2011 Chevy duramax, derate to 4 mph for DEF system. Nov 6, 2021 · 2021 from NEW gmc elevation with the 3. Good until 24443 miles on May 30, 2012. Feb 5, 2020 · The fix is to reset the DEF level sensors with the OBD II diagnostic scanner/ programmer. GMC 2011 3500HD Duramax DEF light on followed by engine check light, Fault codes P2047, P208A Mar 9, 2024 · 2. The whole DEF system is flawed and you will only get a temporary bandaid repair at the dealership. Click on the ‘Reductant’ fluid and then click the ‘Tank level reset’ option. When the tank becomes empty, your vehicle performance becomes limited. I went to run the reset using my Launch X-431 and the truck simply sits at idle, should the truck elevate in rpm like Aug 13, 2023 · We have researched why your DEF isn't resetting and what you should do about it. Started truck (without turning key off), drove truck, no message, all seemed good (other than DEF on truck reading too low). Please subscribe for more. Under normal circumstances, you will only need to refill the DEF tank to reset the DEF warning light on your dashboard. If the light is ignored for too long, the vehicle will likely go into a reduced power mode. P2Bad replaced downstream NOX sensor. Dec 18, 2016 · 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. A faulty upstream oxygen (O2) sensor can cause the check engine light to come on in Chevy Silverado 3500 HD. 3-gallon tank with diesel exhaust fuel, and the clear Duramax service DEF system message will go away. Dec 10, 2023 · Here’s what you can do to reset the system and clear the DEF warning. One time the light came on along with the service engine light. It's important to be sure which message it is giving. Jun 26, 2020 · 2012 duramax 6. When this fluid gets low, the Selective Catalytic Reduction (SCR) system cannot perform the chemical reactions required to convert nitrogen oxide (NOx) into nitrogen and water vapor. Start truck and get svc def and speed limited message. Still no reset and now it's showing 98 miles to empty. Clear the codes to Sep 15, 2022 · A DEF warning light is meant to remind you that you need to refill the DEF tank. Generally, a warning light will come on when DEF needs to be added soon. Truck drives perfect now and has no trouble codes anymore but still getting this service emission system message and vehicle speed will be reduced to 65mph in 91miles. Mar 30, 2017 · Related to the "Frozen Tank Status". Def light and speed restriction remain. Jun 29, 2017 · Took it over to my favorite mechanic and he fixed it by installing a light bulb in place of the heater circuit, clearing the code and requesting a DEF system diagnostic on his scan tool. In This video I go through all the steps to troubleshoot Poor Quality DEF Warning. all can be cleared and return at start up. 3. then in the shop all for the same def problem lights etc, six times until June 20, 2012. Friday After about 2 hours of driving the "service DEF" light came on at the same time as the "Service Engine" light. Mar 24, 2011 · #PIP4864G: Exhaust Fluid Empty And Exhaust Fluid Range Message Will Not Reset - Including Cold Weather Operation - (Apr 1, 2011) Duramax Diesels Forum If it does not do it on its own you should not pay a dine fo rthen to fix it. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more! Show Less Jun 9, 2015 · diagnose ses light on,def light flashing,has code s p207f,p20ee,for def system,states that fuel qual ity is poor,def system fuel,100 %,clear codes,code s have not reset,needs fuel reduntant quality test down to see if anything fails. Any idea how to get it reset without a tech2. My 2013 3500HD has the dreaded "Exhaust Fluid Quality Poor" message and the DEF light. Mechanic's Assistant: Just to clarify, what are the exact lights you're talking about? Customer: It’s under the rpm on left hand side. how to reset service light indicator Chevrolet Feb 15, 2023 · Duramax owners and truck enthusiasts, it's time to take back control of that pesky "Service Emission System" warning! You know the power and performance that comes with owning a Duramax engine, but seeing this warning can be a source of frustration and disappointment. If they were, no one would ever fill up on DEF and would just keep clearing them. The reset process, while straightforward, should be conducted carefully. GMC 2011 3500HD Duramax DEF light on followed by engine check light, Fault codes P2047, P208A, P204C, 2015 Duramax DEF light won’t reset after adding fluid and Feb 7, 2023 · To reset the DEF sensor before this happens, you can try the following methods. I need to reset the reductant level warning. Jul 5, 2014 · Many of the emissions codes are not resettable by an ordinary code reader. No fault codes active anymore but I can’t get rid of this message. 00. Drive the vehicle for 5 minutes at low speed, Service DEF system message will go away. The system will reset the low fluid alarm if enough fluid has been added to satisfy the sensor. 6L diesel supplement: Service DEF System Still illuminating DEF warning light means low level and blinking light means below critical level of DEF fluid in the tank. Apparently, if the DEF falls below 20*F it goes into a safety shutdown. First, pour in more than a gallon of DEF and let your car idle for a few seconds before driving it around at a low speed until the warning sign resets. Dec 20, 2022 · The Check Engine Light on Duramax diesel trucks is the telltale sign that your vehicle needs attention. I got it. Stopped truck, restarted truck, message back. The DEF system fault is an issue that a lot of vehicle owners face, and there are a few ways to address the problem. 5 jug. Didn’t see this thread until now either so sorry for being late to the party. With message **99mi until Maxspeed 65mph** Anyone have any insight on whats could be going on it would be much appreciated. A Loose Feb 18, 2018 · Steps to Reset the DEF Limp Mode. And have you tried to reset it? Customer: GMC 2011 3500HD Duramax DEF light on followed by engine check light, Fault codes P2047, P208A, P204C, P205D, U010E. "On 12/10/2020 at 8:42 AM, kylant said: if you have push button start: hold the start button (without foot on the brake) for 5 seconds. Everything seems to be working fine except I cannot clear the Reductant System Malfunction issue. So I put more DEF fluid in. Which is not enough to fill the tank on that. Mar 15, 2021 · Car owners should not ignore the warning system on their vehicle. 0 duramax diesel ten speed trans: def alarm lowover half full indicated on guage, I topped off the tank in less than two quarts of def, it remained warning x number of miles then max speed is 65 then 55 then 45 etc etc etc after 103 miles the "alarm" and restrictions reset but check engine light Aug 19, 2014 · I’m working on this 2015 Chevy Silverado duramax (I’m new too DEF systems) and has on the dash “exhaust fluid quality poor” and “speed limited to 4 MPH”. Total parts about $12 and an hour labour. This alert is key to preventing water-related damage to your engine. Dec 21, 2013 · Exhaust fluid was showing 22%, I got 3 gallons of def from dealer and added it and percentage did not reset. Cannot clear the code with a scan tool. Ck engine light out. 0L Duramax Diesel Chevrolet Silverado/GMC Sierra The DEF fluid reduces emissions by up to a whopping 90%. Use an OBD-II Scanner: If you have an OBD-II scanner, plug it in and check for any trouble codes. This action helps to reset the onboard computer system. If the DEF tank heater is not operating properly, there may be a Service Emission System . bleeder screw, WIF sensor delete plug, Fumoto oil drain valve, Pacer LED cab lights, GM dually light bar under tailgate, Footwell lights, Cobra 29 WXNWST CB radio, Wilson 2000 CB antenna, Kenwood speakers, GM chrome oval running boards, Bilstein 5100s, Michelin Nov 30, 2021 · Ck engine light and Def Quality light with speed restrictions. Low DEF and Service DEF have different restrictions that Service Emissions These are from the '2020 6. Pull into service bay and the damn light is off, problem Jun 8, 2022 · If you were to search old def threads started back in 2011 when we first had def, there were 1000's of posts about the trucks being unable to rest the levels after adding def. Aug 14, 2013 · So I have a 2012 Duramax. It will not clear without that test completing. Fill your 5. Today, I used the edge to go from Stock to Tow, and message went away, Edge showed 100% DEF, truck shows 29%. Inspect the DEF System: Look for any visible damages in the DEF lines and connections. I have disconnected both batteries and combined their respective leads to one another in an attempt to drain all power. To verify if the fluid is frozen, the Tech 2 DEF level reading can be used. Use DEF fluid which contains the API certified or ISO 22241 label. Feb 7, 2013 · Tank, heating coils, injector, etc have all been replaced. Inspect the DEF (Diesel Exhaust Fluid) level sensor for any visible signs of defects or damage. GMC Canyon. Since DEF is prone to freeze in low temperatures, you should keep your truck in a warm garage during winter. This simple step could resolve the issue and is often the first attempt to clear a Duramax limp mode reset. The truck is now in limp mode and has no codes. I have tried resetting it via the check button that resets everything else but no luck. Still reads 200 miles remaining. So, running out of DEF fluid may trigger a service exhaust fluid system in a 2016 Duramax or any diesel car model. Check DEF Levels: Make sure you have enough DEF fluid in the tank. Then, disconnect the battery’s negative terminal. I had the local GMC dealer run the vin and it already had the software update in 08/2011. Preliminary checks, such as diagnostic scanning and physical inspections, are essential to identify the root cause of the limp mode. Off and on with the key about 5 times with same message. I poured in 5 gallons of DEF from the local auto parts store and before I could get out of the state the DEF alarm came on and said "288 miles range". Decided to go through the buy back program. 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. Jul 13, 2021 · As I gas up, check engine light illuminates w/ DIC warning noting 175 miles until I was limited to 65MPH. Tank says it’s full in the data, ran the DEF quality test no faults but still derated In this video, we'll show you how to check the DEF (diesel exhaust fluid) level and add DEF in a 2020-2024 3. Drained out fluid and replaced with fresh. It held 1. Keep your DEF topped up regularly to avoid dealing with a blinking DEF light. It can lower to 5 mph which will force you to fill the tank. that will put the truck into run mode without the truck running. They said they can hook up a laptop and manually reset the sensor. sclbl vtozp cbpynk fscdcs hdmwrv rqg ruxesc gjj tcxabfy cuf