2016 duramax def heater recall

2016 duramax def heater recall. I can't find why yet but dealer was aware when I called. NOTICE TO CUSTOMER This vehicle is equipped with an engine-block heater that is affected by a recently announced GM safety recall. 00 to $300. 6-liter V-8 and an engine heater power cord Nov 23, 2022 · 58 posts · Joined 2014. The NOx Catalyst Reductant-Load Adaptive Mar 11, 2022 · The warnings did go away. 2023 LZO Sierra 4x4 crew 6. Supposed to take half hour. 1. Jan 31, 2019 · 8915 posts · Joined 2011. 6L Duramax diesel engine (RPO L5P) or 3. Jan 11, 2018 · 03JAN18 take most of the day to diagnose the problem (including a call to the factory engineers). A short- Nov 25, 2023 · Reaction score. Jan 8, 2017 · 2350 posts · Joined 2016. CP4. Same issue, 2019 L5P Duramax 2500HD. GM's number for this recall is 20760. Allison 1000 Transmission. Jun 29, 2017 · 64 posts · Joined 2012. 59 on GMPartsDirect. Howdy! I got another letter in the mail from GM (first one was for the 9th injector) indicating that the reductant tank temperature sensor may be faulty. com for a STANDARD MOTOR PRODUCTS part #DFH106. If this concentration falls below 26%, the Exhaust Fluid Quality Poor message will be displayed on the DIC. 2. I took the truck in for the DEF tank harness recall and told the tech about the miles jumping around and he printed off #20-NA-082: Information on excessive DEF usage (Feb 3, 2022)( document ID: 5573156). The buzzkill of the LML is the CP4. Stock except for 295/70/18 Toyo AT2, B&W hitch, and AirLift bags. P205B detects an 'out of range' difference in fuel and DEF temps, after the truck has been off for a certain period. 13000 miles NoX Sensor issue, have taken to dealer 3 times and still no fix. #1 · Jun 29, 2017. Aug 23, 2016 · There was a recall on the brake pedal, but that's all so far. 06 LBZ 2500 350,000mi 09 LMM 3500 Cutaway 700,000mi 22 L5P 3500 DRW. 7, 55k miles. 5 LLY. - That's pretty much 40,000 more miles than the gassers get. Nov 23, 2023 · Talked to GM Dealer (dealer has been very nice). Looking online I can get a new heater for $150. $137. 79 at RockAuto. Basically it sounds like $260 for the Fix a faulty diesel exhaust fluid heater with this Duramax DEF heater for 2010-2012 Chevy/GMCs. Discard the power cord. Fortunately, there are some relatively simple ways to prevent these May 16, 2020 · 133 posts · Joined 2013. Manufacturer Communication Number: 29400-01 Summary. 2015 Denali 2500HD 4x4. I had a tire pressure monitor go bad on the road. It is Why they didn't just send them in the same envelope who knows. . 1-800-392-3673 and report the problem. 00 Emissions Re programmed (uncertain as to the actual details of what they did). #1 · Jul 22, 2015. Why is your vehicle being recalled? In vehicles equipped with the Duramax diesel 6. The code chart says P205B just compares the two Jan 1, 2016 · I've had Duramax's in a 2007. #13 · Jan 22, 2017. 11/30/2021. Nov 22, 2020 · I will be replacing the reductant DEF tank heater in a 2013 Chevy Silverado 2500HD 6. I checked thje movement of the sensor prior to install and it traveled up and May 3, 2019 · May 03, 2019. Dealers are to reprogram the reductant control module. so it actually gets fixed. Program Description: Certain 2017 - 2019 model year Chevrolet Silverado 2500/3500 and GMC Sierra 2500/3500 vehicles, equipped with the 6. WTF I haven’t heard of a heater in the Def tank before but the shop is very reputable and I do trust them. Not all dealers are aware, since it is not a Tech bulletin or recall. This trip, my DEF usage has gone to 7 gallons every 1500+ miles, fuel mileage has dropped to 9 mpg (it had been over 12 towing), I Jun 30, 2022 · 3793 posts · Joined 2021. As you can see, it was just published in November of 2015. Jul 14, 2019 · 32 posts · Joined 2017. The 2011 def tank and lines ARE ELECTRICALLY HEATED (according to GM). Issues with sensor wiring can cause erratic DEF level reporting. Made a appt with chevy dealer who said it was under warranty. Feb 12, 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. The DIC already said what tire had the bad monitor. I gave the dealership $800 already to replace a bad indirect injector because it went in to limp mode due to a bad indirect injector. 3900+ miles DEF Sensor engine code. The NOx Catalyst Reductant-Load Adaptive Issue: Some 2017-2019 F-Super Duty vehicles built on or before 1-Aug-2018 equipped with a 6. Def tank is more visible as it is closer to the outside of the truck. 51,000mi, ran the DEF Low and got the engine light via P1050 Reductant Level Sensor Invalid Range, (Replace Diesel Emissions Fluid (DEF) Module, parts are $1,123. #11 · Jan 14, 2020. Nov 19, 2015 · 45 posts · Joined 2015. If the Emission Reduction Fluid Tank heater is not INFORMATION. 7. While these engines are still relatively new, they seem to be extremely reliable so far with very few “common” problems that haven’t been solved or addressed. – windows roll down, seat heaters don’t work, gps Apr 15, 2022 · We are on our third chevy 4dr gas, 1989 old gray 480+ on a single rebuild engine still pulling gooseneck, 2002 duramax 410 miles still running drive everyday, 2020 duramax 54000, no problems with Jan 20, 2016 · Just got an email from on star for a recall on my 2015 Chevy Duramax. #1 · Nov 23, 2022. 6 turbo diesel duramax diesel in real time Nov 24, 2022 · A friend of mine has the same 2016 2500 Sierra with the Duramax and about 30,000 miles, and last week his DEF heater went out. Aug 26, 2016 · The PCM sets the applicable trouble code in memory and turns on the Malfunction Indicator Light (MIL). Took it to the shop today for a more complete diagnostic and they said the DEF tank heater assembly is bad. My fuel mileage had been increasing, etc. Guess they need to look at the fuel temp sensor. They cut the cord because it is quick, easy and effective if the problem is a fire hazard in the system. 2016 Camaro 2SS Six-speed, Great gas mileage and lots of fun! Jan 19, 2021 · This may help drive a better response from GMC. The recall began on March 14, 2016. After driving it around for about 15 miles or so the check engine light came back on. #41 · Oct 27, 2022. Other bad news it is on a national back order, seems others may be having the Aug 26, 2019 · 1 - Requires (L5P) Duramax 6. Mar 3, 2016 · I would have asked if they would send the tank to a dealer near where you would be in a few weeks instead of sitting still. 2018 GMC Sierra 2500 HD 6. 0L Duramax diesel engine (RPO LM2). According to technician he has seen it in other trucks with higher miles but mine is bad. This is an older thread, you may not receive a response, and could be reviving an old thread. If the Emission Reduction Fluid Tank heater is not Dec 10, 2023 · Sensor Wiring Problems. Jan 20, 2016 · Just got an email from on star for a recall on my 2015 Chevy Duramax. same code happened to my truck last month. Parts are not yet available, on back order. The level sensor is a small cylinder that slides up and down a rod " much like a titty dancer on a pole. DEF Pump Failure. On Aug 25, 2016 · 146 posts · Joined 2015. Jul 13, 2021 · Pcscout said: 2019 GMC 2500 6. Apr 28, 2022 · Replacing the reductant tank heater sending unit on a 2015 chevy silverado 6. It refers to this issue. Last night I got the "poor" DEF fluid quality message with speed restrictions in 99 miles. DEF Tank Heater Oct 14, 2018 · This video shows how to replace the DEF tank heater (Reductant Tank) on a LML Duramax ‘12-‘’16 GMC/Chevy Here is a Bulletin showing extended coverage for this repair. On certain vehicles that are equipped with a diesel engine (RPO LML/LGH/LUZ), a malfunction-indicator light (MIL) may illuminate due to an offset in the temperature sensor in the diesel-emission-reduction fluid tank reservoir or increased DEF tank-heater resistance. DEF Heater Problems. Mar 15, 2019 · 2nd recall (or a least another notice) notice when parts are assigned. Have studied up on all aspects of this code, tank heater, repair, warranty, costs, etc Have been driving the truck, for months, no problems. Many customers have been waiting over 3 months for parts. This time it said the def quality is poor and went back in to limp mode. 6 I have 115,000 miles on it and over the past 50,000 miles I've had to have the DEF injector replaced and the entire DEF tank replaced. 2019 Chevrolet 4500HD CC 4X4 Flatbed. 6L diesel engine (RPO L5P), the DEF tank connector may overheat and set the following diagnostic codes (P10D9, P143C and P10F3), which will result in reduced engine speed. 6 liter engine and the optional engine-block heater cord, a short-circuit condition may develop in the engine-block heater cable or in the terminals that connect the heater cable to the block heater. I sure hope mine doesn't go bad, but the prices are good. Hello, I'm a noob here. Well yesterday my engin lite came on. GM is recalling nearly 325,000 heavy-duty trucks because a faulty engine block heater cord may fail, increasing the risk of fire, according to the National Highway Traffic Safety Sep 4, 2021 · Check out my social media!!!!!0:00-intro0:51-showing code P21DD1:55-starting to remove side step4:06-removing tank connectors and hoses4:52-removing DEF inje Jul 1, 2021 · Let me start here by clarifying a few key things. Subject: Diagnostic Tip to Diagnose Emission Reduction Fluid Tank Heater Element Exposed to Diesel Exhaust Fluid (DEF) , Service Emission System/Service Exhaust Fluid System Displayed on the Driver Information Center (DIC), Malfunction Indicator Lamp (MIL) Jun 22, 2022 · DEF Tank Heater and Wiring Harness Updates. Outside of this problem, there aren’t many major or costly common problems associated with the engine. Fuel Injector Failure (#4 Injector) Finding 3 problems with the L5P was difficult. 2023 LZO CC std box 4x4. Apr 25, 2018 · Call Ford Motor co. This special coverage covers the condition described above for a period of 10 years or 120,000 miles (193,000 km), whichever occurs first, from the date the vehicle was originally placed in service, regardless of ownership. Live in an area where the temps could make it into This notice is sent to inform you that General Motors is conducting a voluntary emission recall that includes your vehicle. Before the extra insulation/shield got added to the tank, the bottom of the def tank and the bottom of the fuel tank were/are the same distance form the ground. My '15 LTZ was stuck at 24% for months. 6L Turbo-Diesel V8 engine and is required on orders with "Ship To" locations within the following states: Maine, New Hampshire, Vermont, Minnesota, North Dakota, South Dakota, Montana, Alaska, Idaho, Wisconsin, Wyoming, Michigan, Colorado and New York -- and all Canada. Nov 10, 2023 · Duramax LML Engine Problems. 6 I changed the def heater and now I am getting P1050 Reductant level sensor invalid range. UPDATE: One of my guys just spoke with a customer of ours who is in FL and the dealer he contacted there not only hadn Feb 11, 2021 · February 10, 2021. This is what Ford did for the years 2011-2012 before they announced a recall and are now offering a refund for anyone who paid anything for this repair. Engine light stayed on for the next 200 miles but I had full power. Emissions systems are covered for the same period of time, and usually get extended due to "issues" with parts - DEF tank heater, NOX Sensors, and the like. 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! Aug 31, 2016 · Special Coverage Adjustment. June 21, 2022. Dealer had for over a week. Mar 9, 2014 · 3293 posts · Joined 2008. ** 2. Print the disclosure letter and place it inside the vehicle in plain view. Jul 22, 2015 · 163 posts · Joined 2015. Need a new reductive heater and def injector line (both parts are heated to prevent DEF freezing). All good again. BrokenBackJack. 350 gallons of diesel x 15 miles per gallon = 5,250 miles (on 7 gallons of DEF) 350 gallons of diesel x 10 miles per gallon (towing) = 3,500 miles (on 7 gallons of DEF) But if your truck displays a reminder when you Jul 10, 2017 · The recall began on March 14, 2016. 6L Duramax diesel engine or 3. 00. The dealer said it would be $125 diagnostic check to see if it was an item to be covered under warranty. Fits. L5P long-bed. This miscommunication may result in incorrect dashboard warnings or a gauge that misrepresents the DEF level. 5 box. #1 · Nov 19, 2015. 6l Duramax diesel engine (RPO L5P) and optional engine-block heater cord, may have a condition in Jul 22, 2015 · Does anyone have that letter from GM extending the warranty on the DEF heater and temperature sensor? I have a 2016 diesel Duramax. Jan 26, 2021 · I am seeking input from members that have, or had, issues with their DEF system. 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. NOx Sensor Failure. Just got an engine code last week with 50000 miles on a 2016. Live in an area where the temps could make it into Aug 10, 2011 · The Diesel Particulate Filter (DPF) addresses soot (particulates) in the exhaust and it does indeed burn off the soot collected in the DPF when it reaches certain levels, but it makes use of extra diesel fuel injected into the exhaust, not DEF, to raise the temperature. This vehicle is equipped with a DEF Quality sensor that is integrated into the DEF tank. as the miles went on. I just bought a 2012 LML and within 2 weeks owning the 58k mile truck, I got the P205b code. The heater circuit is now open so i repaired Apr 8, 2021 · 2021 Chevy 3500 6. 6 Duramax. Code P20BA will set when the either the power or ground circuit voltage is too low or Aug 17, 2018 · Replacing NOX #2 sensor - 2013 Duramax. 0 Duramax has def issues and a bunch of electrical problems. 6L Turbo Diesel, Thanks for watching :)This video is for entertainment Nov 3, 2017 · DEF tank heater ?? My CEL came on and the shop scanned it for a 21DE code (previous post). Like. If you have the problem with the DEF tank heater, they will repair/replace it up to 120,000 miles. Testing Jul 15, 2021 · The recall spans the 2017-2019 model years of Chevy Silverado 2500/3500HD and GMC Sierra 2500/3500HD, but only those equipped with a Duramax diesel 6. 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. Re programed truck to put less voltage through the wires. I'm 275 kms from home. Sep 7, 2016 · A block heater in a Duramax is a nice-to-have, not a must-have. ouch!. Secondly, I routinely use fuel additives including standard diesel treatment and octane boosters in every tank of fuel, and I use the same brand of fuel (Cenex Aug 14, 2020 · Duramax Engine LLY 2004. 00 Def tank being replaced. 3. 7 tanks of diesel fuel. This product includes tank nut, tank seal, and hardware. 6-liter LML Duramax V-8 engine is the capstone of GM’s Pre-L5P turbodiesels. I posted that code a couple of days ago and no one responded to it. First, the truck in question was purchased in late 2015, and it is in-fact a 2015 model year, with just 13,400 miles on it currently. Dealer said the truck has 3 problems. 7 gallons x 50 (50:1 ratio) = 350 gallons of diesel / 36 gallon tank = ~ 9. I have a 2013 LML all-stock 125,000 miles Def heater went out a while back after going rounds with the dealer even after it's been in there several times before the warranty was up, they wouldn't cover it. The current solution from GM is reprogramming the truck so the DEF Jan 25, 2019 · Location: Upper Penisula Michigan / Arizona. Quoted $1700 to replace the heater. 2018 Chevrolet 1500 CC 4X4 High Country 6. Feb 23, 2011 · After the glows, then you have a few minutes of the grid heater, which half kills the batteries. Apr 6, 2022 · There is 2 different harnesses with different pin locations. All currently on road. The value of this sensor can be read in the reductant data as the Reductant Concentration. If it's getting "sucked in" it's a venting issue, if that isn't fixed you'll keep buying tanks and never have a DEF system that works (which may be triggering the NOx sensor issues too). In terms of LLY injector problems, GM had sorted out the internal failures with the 2004 ½ redesign, but the LLY Duramax would occasionally exhibit a trouble code for the injectors, but in most cases it turned out to be an issue with the injector harness rubbing through and causing a short or open in the wiring. OK, Message on dash says to service DEF system, 147 kilometers until reduced max speed 105 km/h. 6 D-MAX. Reason For This Recall: Your 2016 model year Chevrolet Colorado, GMC Canyon; 2017 model year Chevrolet Express, GMC Savana; 2017-2018 model year Chevrolet Colorado, Cruze, Silverado HD, GMC Canyon, Sierra HD or matter sensor. I checked the code and it was a P21DD, DEF heater low voltage. #1 · Jul 14, 2019. Edge CTS deleted, Airdog Lift Pump, PCV reroute, EGR blocked, Dual DVD INFORMATION. Jun 17, 2022 · The Iconic 2011-2016 6. Apr 18, 2019 · 2011 33500HD LT 76000mi. A friend of mine has the same 2016 2500 Sierra with the Duramax and about 30,000 miles, and last week his DEF heater went out. Thanks. Recall number 2015115 GLOW PLUG CONTROL MODULE SOFTWARE. E. If the DEF tank heater is not operating properly, there may be a Service Apr 18, 2019 · 2011 33500HD LT 76000mi. 2016 2500HD Midnight Edition, Z71. 2016 from GM. Strange to have the same failure that many times, but I think it's more strange that it is resolved for 30k miles after a reservoir replacement, assuming there is an underlying problem. Right now thousands of trucks are currently affected by the issue in my link below. What were inlet and Outlet NOx sensor values under load? “DEF quality” faults can be caused by any issue with the SCR system, a NOx sensor problem, a DEF volume/quality problem or a catalyst problem, sometimes even exhaust leaks and EGR problems can cause SCR faults. MAP Sensor Failure. 8L Duramax (GDE tuned), RevMax TC, GMC floor liners, Rokblokz mud flaps, ARE Z-Series shell, CX Racing trans cooler, DD SS3 Pro amber fogs. 5, 2009, 2011, 2012, 2013, 2015. #1 · Nov 24, 2022. Oct 17, 2021 · 6. A new tank and labor was over $800. since so far it sounds like they have just messed with the DEF temp detection. Took it to dealership who found it has a bad air intake Heater (part # 12601677). 1,760. Stopped and put in 2. Xtreme Diesel blocker plates, S&B intake, Flo-Pro, AirDog, EZ LYNX, Titan fuel tank, Kicker sound, Ridge Grapplers, Bushwacker flares, L5P Hood scoop, self loader tow truck, wireless Air Lift bags. (DEF), injected directly into the downstream exhaust (behind the turbo) by a simple ninth Sep 17, 2020 · Your DEF tank holds 7 gallons. oemdtc Duramax. It basically starts off by saying the DEF gage isn't a float gage but rather sensors in the tank. I have a 2012 GMC 2500 6. #7 · Jan 9, 2017. Date Issued: Oct 15, 2019. mattyc said: All of my run-ins with 205b have been a failed temp sensor, except one ford that had a bad pcm. LP5 2020+ DEF TANK HEATER MELTDOWN. DEF FLUID HEATER. Edge CTS deleted, Airdog Lift Pump, PCV reroute, EGR blocked, Dual DVD View the 2016 GMC Sierra 2500 HD Crew Cab recall information and find service centers in your area to perform the recall repair. Problems like: inaccurate DEF gauge readings; engine damage as a result of DEF problems; other DEF issues that GM has told you they will not correct; I bought a 2020 3500 Silverado with the Duramax in 12/2019, and literally had the engine light go on driving back Mar 5, 2022 · This customer recently purchased this truck and recently its had DEF system issues. Dealer says I can’t just replace the heater because it’s built into the tank. Nov 24, 2022 · 45 posts · Joined 2021. Silverado and Sierra. 6L diesel engine (LML/LGH), a malfunction-indicator light (MIL) may illuminate due to an offset in the temperature sensor in the diesel-emission-reduction fluid (DEF) tank There are a lot of possible problems. My 2011 is currently at the dealer needing the DEF heater replaced. 2024 model year with 3. Feb 24, 2018 · 75 posts · Joined 2014. previous: 2021 LM2 CC std box 4x4 ; '18 2500 L5P CCSB 4x4; '11 LML, '10 LMM and 04. #1 · Jan 6, 2023. Jul 22, 2020 · Diesel Exhaust Fluid DEF Urea Heater Reservoir Assembly . Message on the dash to Service DEF System and warning lights on. 2 Injection Pump Failure. Went to the nearest gas station and bought a thing of DEF. Otherwise, just the usual DPF, DEF, CP4 issues that are actually pretty rare. 2 liter. 5 gallons of DEF. #9 · Feb 26, 2018. Owners may contact Chevrolet customer service at 1-800-222-1020 or GMC customer service at 1-800-462-8782. Dealers are to replace the DEF tank reservoir and/or supply module pump. On certain vehicles equipped with a 6. (includes tank nut, tank seal and hardware kit) Commonly called the "DEF Heater", the diesel exhaust fluid heater is located in the DEF (Diesel Exhaust Fluid / Urea) tank and actually contains the pickup tube for the reductant pump module, an electric heating element Jul 10, 2017 · The recall began on March 14, 2016. Hi all, I'm here for help. Dealer finally replaced all the sensors and tank and everything was good (all under warranty). Fig. Mar 3, 2019 · Service Def system light won't reset. 7L Power Stroke Diesel - P20BA, DEF Reductant Heater Code in 2016, Whats the worst that can happen? - 2016 6. GM has no timeline on when parts are available. That evening the dealer called and said they wouldnt cover it cause it failed their DEF test. Remove any existing engine heater power cord fasteners and remove the power cord. Jan 29, 2017 · The Power train is 60 months or 100,000 miles on the 6. This last winter, had a DEF tank heater fail, and fixed it myself. Oct 8, 2019 · N192264210. 7L engine may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTCs) P21DD, P204C, P21CD and/or U02A2 in the powertrain control module (PCM). Dec 29, 2015 · On some 2010-2012 model year Chevrolet Express and GMC Savana vehicles and 2011-2012 model year Chevrolet Silverado HD and GMC Sierra HD vehicles that are equipped with a 6. Hundreds of people are waiting on parts for repairs. Mauitime and CntrlCalDmax. Jun 2, 2021 · Duramax L5P Engine Problems. Posts: 2,767. If it doesn't have parts assigned, probably doesn't (yet) show as outstanding work required. This may be due to water intrusion within connectors C3613 and/or C4851 on Jan 19, 2017 · 2012 6. 6 turbo diesel duramax diesel in real time Nov 19, 2023 · Would be nice to buy a GMC SIERRA with less problems. 2011 GMC Sierra 2500 HD 2500 4X4 Duramax Traded 162,000 miles!! Found this YouTube video when I searched the 'P21DD code'. 0L Duramax diesel engine. All Diesel Exhaust Fluid (DEF) systems require heating elements to prevent DEF fluid from freezing at temperatures less than 12 degrees Fahrenheit. Mar 27, 2018 · 6,500 miles, sub-zero temps this winter, no DEF heater issues or any issues with the engine or emissions system. #6 · Feb 7, 2022. I. Feb 18, 2019 · Def heater replacement Jul 12, 2014 · In the LML Duramax, exhaust oxygen content information is provided to the ECM by NOx sensor 2 to aid in diesel particulate filter (DPF) regeneration. If the DEF tank heater is not operating properly, there may be a Service 6. 05-29-2019, 09:48 PM. When using two NOx sensors in a urea SCR system, the upstream sensor is used to estimate what amount of DEF needs to be injected ahead of the SCR catalyst to achieve optimal NOx conversion. * 2017 GMC Canyon Denali CCLB 4x4. GM tech link has an explanation of this. #13 · Mar 18, 2014. 6 DEF continuous problems. As for wiring- upfitters might have what you need or you will need a buddy at a dealer or maybe someone on here has what you need. Code P20b9 shows up on the scanner. I have just over 13,000 miles on my 2019 GMC Sierra Denali Duramax now, all has been OK until this trip. They didn't know why either. It's all been rock solid. Jan 6, 2023 · 11 posts · Joined 2011. In the middle of nowhere Wyoming the engine light came on and I was speed limited to about 60mph as I recall. 18), conditions on some full-size trucks and SUVs equipped with the 6. 6 ltr. Jun 2, 2021 · 1 post · Joined 2022. Program Title: Enable Diesel Engine Block Heater - Exp. 1st time dealer had 1 week Feb 16, 2018 · 2016 with Bad Air Intake Heater. DEF Heating Pots are designed to quickly return DEF to liquid form, ensuring proper flow through the lines and pump unit. 18. Once the DEF control unit/module can operate the heater again within 3 consecutive key cycles, the PCM will turn off the MIL and the code will become stored. Common problems include corrosion, damage, or loose connections that interfere with the voltage signals sent to the ECU. They created a claim for mine and bill was reduced from $800. Jun 17, 2018 · After replacing the DEF tank twice, a call to GM that did no good, a GOOD service tech started tracing the wiring harness and found a spot on the harness that was grounding on occasion causing the issue. 2024 Chevrolet 3500HD Z71, LTZ, 4x4, 6. My dealer covered all the cost to replace my Def heater. 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. Feb 15, 2022 · GM HD '20 & '21 Duramax owners: A service update exists for 2020 & '21, HD Chevy / GMC 2500 / 3500 equipped with the 6. Several updates are now available to address Diesel Exhaust Fluid (DEF) tank, or Emission Reduction Fluid tank (Fig. 2012 - 2016 LML / LGH. Gone- 2009 GMC SLT CCSB Z71 D/A. 6 duramax/Allison combo. So far I don't think anyone has said whether it is a cord that is inadequate or a heater that draws too much current but what ever it is the cord starts a fire. Now I had a p20b9 and service def system light come up. $169. 5 to 2005. Then you could draw another 150 amps with a tank heater. com. 6 / 55,000 Miles. https://gm. There is a letter to potential affected trucks dated Nov. 2022 GMC 3500HD Denali. 29400 01 – Special Coverage. 2 injection pump. 00 Def Tank Heater Wires burnt off. Software Glitches Oct 17, 2021 · 6. The info display said I had 100 miles to go until the speed was restricted to 65 MPH, and counted down as I drove. engine block heater until further repairs are performed. They get the parts "overnighted" Dec 9, 2016 · NHTSA ID Number: 10135147. 5, and now this 2016, so I'm familiar with the Duramax and DEF, but I've never had a problem until now. A couple years ago, our DEF tank had to be replaced due to the heater element embedded in the tank had developed an open in the element. The DEF tank harness connector can overheat (melt) which will then send the truck into "Limp Mode". He asked about mine and I told him that I just put a box of DEF in it. Was on a road trip last night and got a DIC warning that I had 175 miles until I was limited to 65 mph. May 22, 2022 · DEF Tank Heater. Jan 4, 2018 · DEF Tank Heater. #9 · Jun 30, 2022. A few years back, I had all kinds of DEF problems: DEF quality, NOX sensors, etc. fk mw hg qa ls hd qh yq qd no