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2017 duramax def level sensor replacement?
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2017 duramax def level sensor replacement?
This may lead to unnecessary replacement of components. 4% off) Sale Price: $42. 59 and 5 days shipping. Even with zero def it would start. I do not have anything saying DEF level Low except info display, Autel and GDS shows def level as malfunction. 6L GM Duramax L5P Lift Pumps. 5 2500HD LML, 2011 2500HD LML, 2007 2500HD LBZ, 2001. 2018 DURAMAX DEF PROBLEM -Bed Auxiliary Fuel Tank, Rhino Roll Bar (Sport Bar 2. That code says the sensor is shorting to ground for more than 3 seconds, the sensor should be at the very minimum, 0. 2017 All Terrain Bobcat camper. Message on the dash to Service DEF System and warning lights on New replacement 09-16 GM Duramax Diesel Exhaust Fluid (DEF) Temp & Level Sensor part number 20760381. Thinking that the dealer did not fill the DEF tank before delivery, I took the truck into the dealer. A p1050 code, yes sir it turns on and off it said. Reactions: Ottowood Like Ian H said: I have a 2014 Eco-Diesel. May 9, 2022 · 1824 posts · Joined 2020 Pull the pump Module out It's all one assembly with level sensor and heater5 Chevy 3500 single rear wheels. Emissions compliant. 8L diesel engine (RPO LWN), 1 The Urea Quality Level Sensor (UQLS) is a smart sensor that is located in the top of the Urea (DEF) Tank, commonly referred to as the DEF Level Sensor or Combined Tank Unit. O-Ring for EGR Coolant Return Pipe (SEAL, EGR COOL FEED PIPE) (Qty 2) 3. Shop time etc you'll probably look at $1000. Xiaomi launched a new flagship offering called the Xiaomi 12T pro that has a 200-megapixel sensor as its marquee feature Xiaomi just launched the 12T Pro, a flagship with a 200-meg. The wires on my 2011 LML for the DPF and other components were running right against the EGR valve and the insulation was being burned away. Dec 11, 2022 · Part 1 is here: https://youtu. Cleared the codes, can't get the message to go away, permanently. 0L Duramax diesel engine (RPO LM2). Reference #'s 84412924 / 904-439 / F01C600337. Electronic keys have been around since the 1990s, and they increase the level of security for cars, according to Program Auto Keys. 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. Only charged me $20 2011 was the first year of the DEF system and 10 years later GM engineers still can't work the bugs out. The poor DEF quality messages are very difficult to believe as being accurate. Jun 8, 2022 · The def tank utilizes electronic resistance sensor. Gas Catalytic Converters [View All Emissions Products] 6L Duramax Diesel Downstream (Rear) NOx Nitrogen Oxide Sensor Springfield, VA '18 Tesla Model 3D+, '14 Cadillac ELR, '13 Fiat 500e #4. 7L Power Stroke SOLD 2005 Chevrolet 2500 HD Duramax, CCSB, 4x4 2017 Can Am Maverick Maxx, 2009 Tahoe 215Xi Deckboat, 2007 Weekend Warrior FSC2800 Toyhauler, 2008 Ducati Hypermotard :rockit:. This product features a one year warranty Direct replacement for a proper fit every time; Materials upgraded to withstand a high temperature range; No special tools necessary for installation 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). This customer recently purchased this truck and recently its had DEF system issues. So many other things can go wrong that the dealer will not cover or make your life hell to get covered once you delete your emissions 2016 2500HD - Crew Cab - 4x4 - 2LZ (LTZ+Z71) black2000tj@yahoo Like 4,216 Posts Yup, that's what I used. There are other posts about P203C codes, most say they changed the heating element out. When this sensor fails the entire pump and sensor assembly have to be replaced. Chevrolet Silverado 2017 All 6. The sensor can only detect liquid reductant and cannot detect frozen reductant. The first step in addressing the P203B code is to check the DEF level in the tank. 6L Duramax diesel engine or 3. every option with the exception of rear seat video. 506063299047 Duramax DEF Fluid Level Sensor F01C380091 (2085) 98 Seller's other items US $25 or Best Offer. No active DTC related to EGR, Indirect injector, or Throttle (boost) The vehicle does not have a soot level sensor to determine how much soot is in the DPF. 0L Duramax diesel engine. So use a 100 watt 2 Your 1 watt resistor was much too low of a power rating and it burned up. The value of this sensor can be read in the reductant data as the Reductant Concentration. 6L Duramax diesel engine & associated components. In lieu of the quality test you can just drive around for 20 minutes. Way too hot for DEF fluid. Wanting to replace parts while its warm out. 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). Apr 24, 2023 · 2016 Colorado with $103k has DEF level indicator saying tank empty with warning to reduce MPH to 65 in 399 miles. Per the dealer GM has stated that if one sensor unit goes bad in the reservoir, they are all about to go. Polestar introduced the Polestar 4, the. 200 miles later I got a 321 mile warning with the DEF gage at 1 level below 1//2. Issue: Some 2017-2019 F-Super Duty vehicles built on or before 1-Aug-2018 equipped with a 6. yesterday DEF light, check engine light and message came up saying "service def system now, reduced speed in 99 miles". Advertisement Clusters are now being used on a smaller scale for sensors. Last week at 67k the dealer had to replace the other tank for the same problem. Chevy / GMC Duramax 2017+ L5P Forums. But the check engine light has come on, the dealer tells me the DEF sensor is faulty, is integral with the tank, and the tank must be replaced. So I drop the DEF tank and disconnect the wring connector while the truck is running to check wire connections, immediately get lots of codes and the "Service Exhaust Fluid System" and 99 mile countdown. yesterday DEF light, check engine light and message came up saying "service def system now, reduced speed in 99 miles". depending on the temp/humidity where you live, def crystallizes on the sensor and shows as if the tank is full/half, even though the actual level is lower. Well I've joined the 24% club, my DEF gauge is stuck at 24%, we were snowbirding in Florida and I took the truck in for a oil change before heading home (1400 mile trip). The sensor is at fault, replace the tank as the quality sensor is built into it Like 4 posts · Joined 2023 I have a 2019 Chevy 5500 duramax but I'm sure my results will work with 2500 and 3500 Chevy trucks with the same DEF system. Jump to Latest DEF pump/sensor replacement never been a forum before, so here goes. The truck completed a regen last week though. In other words it isn't a real guage that you get a proper input from. The pin heights in the level sensor have been updated to support new requirements. Several updates have been made to the DEF system for the 2012 model year. 2023 GMC Denali 3500 DRW, Pearl White, Banks I dash and Deringer, 255/80R17 Toyo R/T Trail on spare set of aluminum wheels for winter. Remove heat shield - 3 plastic push fasteners. This direct-replacement sensor matches the fit and performance of the original equipment part for a reliable repair. If your diesel exhaust fluid level sensor is not functioning as it should, try our quick tips for cleaning to get you back on the road as soon as possible. When the reductant level sensor value is outside a calibrated range, the Diagnostic Trouble Code (DTC) P1050 is set. Gas Catalytic Converters [View All Emissions Products]. 6L Turbo Diesel: Service type Coolant Level Sensor Replacement. Def heater replacement The diesel exhaust system on 2017-2018 Silverado and Sierra models and 2019-2020 Silverado 2500/3500 and Sierra 2500/3500 models equipped with the 6. They are smart sensors reporting on the DL7 (J1939-7) data link a. cheap cars for sale in tampa 500 miles after that, it will speed limit to 65mph. This customer recently purchased this truck and recently its had DEF system issues. I had to figure out what was bad the pump assembly or the def control module. Oct 5, 2016 · The fuel tank module consists of the following major components: •The fuel level sensor. Stays off for a full tank of fuel then came back on. My cel is not bothering me now it's the fluid level. In the wake of the Lio. 75 miles after that, it will transition to 55 mph. 2017+ GM Duramax L5P 6. 2020 Silverado LT Z71 3. But the check engine light has come on, the dealer tells me the DEF sensor is faulty, is integral with the tank, and the tank must be replaced. GM DEF Level Sensor & Temperature Module Fits: 2011-2016 Chevy Silverado / GMC Sierra Part# 20760381 GM Replacement DEF fluid level sensor and temperature module. Guaranteed Fitment Always the correct parts. 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. I was led to believe that it was part #8 Integrated in the tank. 2012 GMC Sierra 2500HD Diesel 2wd Crew Cab 200 mile regen club :help. 6L design, many major engine components were completely refreshed in order to increase power as well as engine reliability. The Accelerator Pedal Position (APP) sensor is made up of 2 sensors that are housed inside one assembly. This can cost over $400 to have it replaced. The most likely cause for the fault code P1050 in your 2017 Chevrolet Duramax is a fault with the reductant/ exhaust fluid tank level position sensor. i'm hoping someone with some related experience can help me out. Reactions: SFLTruck Like Cause the "Stealer" wants to replace my DEF tank assembly to fix the problem its not the identified TSB They said my truck (2023 3. 1st time cleaned the sensor (Summer) 2nd timecleaned the sensor. Diesel Emissions Fluid (DEF) Tank Reservoir Wiring Harness - GM (84113571) GM OEM 2017-2019 GM Diesel Emissions Fluid (DEF) Tank Reservoir Wiring Harness - 84113571 MSRP: $7550 (44. zilkee hard drive recovery It can also be caused by an open or shorted Reductant Pump and Sensor Assembly harness. If your diesel exhaust fluid level sensor is not functioning as it should, try our quick tips for cleaning to get you back on the road as soon as possible. 8L Duramax (GDE tuned), Red Quartz Tintcoat, GMC floor liners, Rokblokz mud flaps, ARE Z-Series shell, CX Racing trans. 0L Duramax diesel engine. Jump to Latest DEF pump/sensor replacement never been a forum before, so here goes. The pin heights in the level sensor have been updated to support new requirements. It is important to address this issue promptly to ensure proper functioning of the reductant system in the vehicle. MIT and Harvard scientists are hard at work on a biometric tattoo to put an end to finger pricks for glucose management MIT and Harvard researchers have created color-changing tatt. They keep popping up like every other day. previous: 2021 LM2 CC std box 4x4 ; '18 2500 L5P CCSB 4x4; '11 LML, '10 LMM and 04 06blackmax. Remove heat shield - 3 plastic push fasteners. No, the fluid level should not set this code unless the module picks up a problem with the level sensor input. Fitment: 2011-2016 6. 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). A p1050 code, yes sir it turns on and off it said. While not so common, the ECU can often cause this code to be also issued. Remove the outside cover (four bolts) and the bolts that attach the def fluid tank skid plate to the frame (three bolts). This product features a one year warranty Direct replacement for a proper fit every time; Materials upgraded to withstand a high temperature range; No special tools necessary for installation 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). Shop for the best Diesel Exhaust Fluid Level Sensor for your vehicle, and you can place your order online and pick up for free at your local O'Reilly Auto Parts Dorman HD Solutions DEF Level Sensor - 904-7368. be/CzUn4Ir7i88Diagnosed in February 2022 but was good all summer as the heaters were not required. (INCLUDES 11,15)(INCLUDES HEATER, TEMPERATURE SENSOR & LEVEL SENSOR) Replaced by:84416299 Wonder if this what there going to replace next. (INCLUDES 11,15)(INCLUDES HEATER, TEMPERATURE SENSOR & LEVEL SENSOR) Replaced by:84416299 Wonder if this what there going to replace next. Unsure if programming is needed for that. lauren alexis nsfw Hard to take out of town when same issues. This issue might stem from a variety of causes, including sensor malfunctions or software glitches. Type Net Item 9900649 Diagnostic Time Only - No Repair Required 03 9900650 Replace Emission Reduction Fluid Tank ZREG N/A1. Expert Advice On Improving Your Home Videos Latest View All. 6 times since then it has flipped the DEF and ENGINE codes and each time went to the dealership. 1997 Jeep TJ, Currie 8. If this concentration falls below 26%, the Exhaust Fluid Quality Poor. Assuming the L5P indicator works like the LML one, it is a series of pin sensors (think on/off swirches) activated by the fluid. They can take it up with GM. So many other things can go wrong that the dealer will not cover or make your life hell to get covered once you delete your emissions 2016 2500HD - Crew Cab - 4x4 - 2LZ (LTZ+Z71) black2000tj@yahoo Like 4,216 Posts Yup, that's what I used. The truck completed a regen last week though. Aug 17, 2018 · Replacing NOX #2 sensor - 2013 Duramax. Apr 4, 2018 · In order to read something you have to have an input and I thought the DEF was more of an indicator which starts at 28% and goes down from there. The second was a O2 sensor in the exhaust system. my DIC keeps telling le to check engine oil level but i know for a fact that it is at perfect level on the dipstick. 1st time cleaned the sensor (Summer) 2nd timecleaned the sensor. At this point, the tank cover and shield can be dropped. replace Glow Plug#5 4 months ago. 2008 Silverado 2500 Crew Cab Z71. Chevy / GMC Duramax 2017+ L5P Forums. -Scruvs 2016 Colorado with $103k has DEF level indicator saying tank empty with warning to reduce MPH to 65 in 399 miles. 7 posts · Joined 2022 I have a 2016 2500HD and last week the DEF tank was replaced and the Reduction Temp sensor was replaced as well. The PCM uses a Reductant Quality Sensor to monitor the performance of the Reductant system. L5P P0191 Code & Fuel Pressure Sensor Replacement.
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N192210260 Diesel Emission Fluid Tank Reservoir Replacement Page 2 of 3 Warranty Information Labor Operation Description Labor Time Trans. 6LV-8 Duramax Turbo Diesel (L5P). Mechanically, the L5P Duramax is stout and very few major problems have been reported. I got a code P1050 for the level sensor not reading. Limited Lifetime Warranty 2017 Canyon diesel was new in May 2017. But if you go through a dealer it'll probably be $350 for the sensor Diagnostic fee. DTCs P20B9 (Reductant Heater 1 Control Circuit) and P20C1. For a household of four, the 2017 threshold is $24,60. 11 posts · Joined 2015 Right now my plan is to just use the original DEF tank and extending those lines and put the new fill pipe mounted to the side of the bed under the roll up cover. The second NOx sensor also provides the engine control module (ECM) with. 2 ohms), which gives you 89 watts. DEF system counting UP instead of Down In July I was headed on a 1500 mile round trip for vacation. If the case is on NOX Sensor and you have replaced it, you will need something around $750. Per the dealer GM has stated that if one sensor unit goes bad in the reservoir, they are all about to go. Changed the tank $700 dollars later, no change! Now, I am getting code P1035 which has a similar description. Dealer said they replaced the DEF tank and sensor. To fix an oil sensor leak, locate the oil pressure sensor, remove the leaking sensor, and replace it with a new sensor. stanley tucci amalfi lemon pasta recipe 2018 Colorado Diesel Stock (But not for long) I was looking around the computer system with an OBD II reader and found that the system was reporting the DEF level at 45 percent. If you find yourself needing to replace or reset the sensors, following the correct steps is crucial for a successful fix. L5P 6. 12 posts · Joined 2016 Make sure you shut it off when you add def. Best is to track the mileage and add accordingly. This product features a one year warranty. It can also be caused by an open or shorted Reductant Pump and Sensor Assembly harness. For a household of four, the 2017 threshold is $24,60. Then, replace the Shield and Insulator to drive the truck until parts arrive before dropping the def tank to replace the part. Twice now on a recent trip over roughly 3,700 miles, I’ve got a DEF fluid level message warning me of 75mi until reduced power, then the level percentage simply reads “LOW The weird thing is that I never received the typical warning message of “xxx miles remaining” and the countdown from 30. With its unique blend of battle royale gam. So use a 100 watt 2 Your 1 watt resistor was much too low of a power rating and it burned up. 0 Duramax Jet Black former 2018 Colorado Z71 CCLB 2. Message on the dash to Service DEF System and warning lights on Feb 5, 2020 · The fix is to reset the DEF level sensors with the OBD II diagnostic scanner/ programmer. First they replaced the 9th injector, next they replaced a NOx sensor, last stop was the entire DEF tank and re-flashed the truck and so far so good. Dealer said they replaced the DEF tank and sensor. • DTC P203F is an information DTC ONLY and will not set the MIL. Might have a faulty float switch as there seems to be a lot of issues posted about it. and it is used basically whenever the truck is being driven. upside down cross unicode Should have near 15,708 ohms at 59 degrees F and near 12,490 ohms at 68 degrees F If not OK, replace the reductant fluid temperature sensor If the reductant fluid temperature sensor ohm value is near specification, but the temperature value is wrong in ECM DEF data, replace the reductant sensor module. •The fuel pump and reservoir assembly Fuel Level Sensor. Wear long sleeves and working gloves if necessary to prevent skin burns, and then follow these steps. It sounds to me like it is your level sensor itself that. truck has 4200 miles on it, all stock. This code is often seen in diesel engines, which use a reductant (diesel exhaust fluid or DEF) to reduce harmful emissions. 2019 Chevy Duramax HD 2500 ltz 6. I will try to take photos of the diagnostic process. 6L LML Trucks 2011-2016 6. Even with zero def it would start. It measures the level of diesel exhaust fluid (DEF) inside a vehicles exhaust pipe and helps determine if a vehicle is in compliance with emissions regulations. Does anyone know what this code is, I have cleared it twice. liquid propane prices near me This direct-replacement sensor matches the fit and performance of the original equipment part for a reliable repair. EQS Preliminary announcement financ. In many cases the operating system does not even require printer drivers to be installed, and it usually does a good job of mon. 3 X 33 = 59,806) (1812 Since the calculated mileage is less than the actual mileage, this vehicle does not spend an excessive amount of time idling. 2018 GMC 2500HD All Terrain with All Terrain X package Duramax. 6L Duramax diesel engine (RPO L5P), several DTCs may set. This customer recently purchased this truck and recently its had DEF system issues. and it is used basically whenever the truck is being driven. The other 10% is the SCR being overloaded or damaged. Reconnect DEF lines and coolant hoses to the head unit Remove pinch off type hose clamps Plug in the two wire harnesses and secure Nov 19, 2023 · Duramax turbodiesel 3. There are four primary emissions systems on the L5P. 6 turbo diesel duramax diesel in real time May 19, 2022 · Located in the reservoir tank. I get a check engine light on the dash and then two messages reading vehicle power is reduced and a don't stop driving like it's going into regen the def gauge reads 3/4 full the truck has never. 5 gallon bucket if tank is full. Nov 24, 2023 · The trouble code P1050, indicating "Reductant Level Sensor Invalid Range" in your 2018 Duramax truck, is directly related to the Diesel Exhaust Fluid (DEF) system. Apparently, overfilling this time resulted in the level sensor signals and program logic for DEF level being. 6L Duramax Diesel NOX1 Sensor (Part Number 12676705) and NOX2 (Part Number 12676706) have been placed on a parts restriction through the Example 1; If a vehicle has 1812. 230,000 kms with very little problems, been a great truck. The DEF range DIC message first displays at approximately 1 600 km (1,000 mi). This product features a one year warranty. No, the fluid level should not set this code unless the module picks up a problem with the level sensor input. Set a motion sensor light by turning the head of the light in the direction of your choice, then set the “On-time” switch to “Test” before adjusting the range. 6L Duramax DPF for the 2017+ GMC or Chevy Duramax L5P 6 This carries a one year warranty.
6L Duramax diesel engine & associated components. the CEL was still on. Remove heat shield - 3 plastic push fasteners. Indices Commodities Currencies Stocks Ryobi's Easy Start portable generator keeps you connected and protected with its carbon monoxide detector. gaktrizzy twitter Dealer estimate to replace is $2500 - $3500. My cel is not bothering me now it's the fluid level. Email Us Get answers from the pros. Replace the NOx sensor, do a service regeneration, power cycle vehicle, and then immediately do a DEF Fluid Quality Test. Risks include breast cancer and stroke. Changed the tank $700 dollars later, no change! Now, I am getting code P1035 which has a similar description. tailscale vs cloudflare tunnel DTCs P20B9 (Reductant Heater 1 Control Circuit) and P20C1. To fix it, simply replace the ECU. 2017-2019 6. DEF Continuous Level Sensor — to Reductant Control Module (7). The fuel system featured on the L5P could best be described. DEF sensor is in the DEF tank. Could be a nox sensor out of calibration, or bad def, or bad def injection system. leolist calgary 59 and 5 days shipping. Then, replace the Shield and Insulator to drive the truck until parts arrive before dropping the def tank to replace the part. The level sensor measures the tank level at three different heights using four high-grade stainless steel pins. previous: 2021 LM2 CC std box 4x4 ; '18 2500 L5P CCSB 4x4; '11 LML, '10 LMM and 04 06blackmax.
RobsDenali said: I changed out the Reductant Tank reservoir and the DEF temp is now reading 95 degrees which is closer to ambient air temp. KentJones and Diesel Dan. Dealership quotes me $1800 to replace DED level sensor. 15: Shop/Dealer Price $39784: 2009 Chevrolet Silverado 2500 HD V8-6. According to a new report, Southwest is making changes to a sensor believed to have played a role in the Lion Air crash on some of its Boeing 737 MAX planes. May 9, 2022 · 1824 posts · Joined 2020 Pull the pump Module out It's all one assembly with level sensor and heater5 Chevy 3500 single rear wheels. Emissions compliant. Remove the top reservoir cap, then loosen the bottom (pressure tank) cap and force coolant back through the molded pick up tube. The DEF tank uses a three-position level sensor (four electronic probes). Replacement of the DEF Pump restores drivability and proper function to the vehicle's engine. It helps sensors reset and register the def level quicker. My DEF tank sensor indicated I only had about 12% of a tank of DEF left so I tried to add a gallon or two of DEF. Hi all, I'm here for help. DEF - saving the environment one plastic jug at a time. The "poor DEF" indication came on in late September 2021 at 76,000 miles (64,000 mi 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 miles. I have visually inspected the wiring and see no faults. 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 ouch!. In order to read something you have to have an input and I thought the DEF was more of an indicator which starts at 28% and goes down from there. Chevy / GMC Duramax 2017+ L5P Forums. Check engine light, sluggish performance or erratic diesel exhaust fluid (DEF) levels could point to a failing DEF level sensor. Def fluid replacement depends on vehicle use, not the brand. 06blackmax. 1 5 of 5 Go to page 5. ebay.comd I had to figure out what was bad the pump assembly or the def control module. I had just recently completed a highway speed Regen cycle the night before. There are other posts about P203C codes, most say they changed the heating element out. 6 times since then it has flipped the DEF and ENGINE codes and each time went to the dealership. 10 posts · Joined 2022 Hello, I have a 2018 Duramax with 60k miles. This carries a one year warranty. Assuming the L5P indicator works like the LML one, it is a series of pin sensors (think on/off swirches) activated by the fluid. Oct 24, 2022 · Pump cost from Rock Auto was $522. The sensors are not sold separately and must be replaced with the DEF Supply Pump assembly. 5/28/2021. 4th - cleaned senor and did upgrade on system. This code indicates that the reductant level sensor is providing an invalid range of values. I am in Coquitlam, BC, Canada, the dealer here told me he just did one on Friday. GM OEM 2017-2019 GM Reductant Control Module - 846318758136 (37% off) Sale Price: $218 Make sure this part fits your Car Manufacturer Warranty Minimum of 12 Months. gshade github This carries a one year warranty. Description Shipping. Leviton's IPS02 Occupancy Sensor Switch automatically turns the lights on when you enter a room and off when you leave. I only know this because I replaced mine multiple times and decided to rip my original one apart to see what was going on. When it comes to printing high-quality photos or documents, using the right ink is essential. I don't want to have issues when the temperature gets cold. 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. RobsDenali said: I changed out the Reductant Tank reservoir and the DEF temp is now reading 95 degrees which is closer to ambient air temp. However, these replacemen. 6L Duramax Diesel NOX1 Sensor (Part Number 12676705) and NOX2 (Part Number 12676706) have been placed on a parts restriction through the Example 1; If a vehicle has 1812. (Exhaust Fluid Quality Poor-see owner's manual now) A DEF Quality message - Makes sure DEF fluid is lowering NOx emissions to a. Only charged me $20 2011 was the first year of the DEF system and 10 years later GM engineers still can't work the bugs out.