We were climbing White Pass in Washington State when ours alarmed. Potential causes beyond bad DEF fluid include: Bad NOx sensors. Title: SCR Vehicles Setting DEF Quality Faults due to Crossed DEF Tank Coolant Lines or Inverted DEFTHV Applies To: All SCR Vehicles CHANGE LOG Dealers: Please refer to the change log text box below for recent changes to this article: 06/20/2019 - Updated DEF Heater Valve Part Numbers 04/23/2018- Repaire broken link, added Export to vieweing. Both warnings can be corrected by refilling the DEF tank. The recommendation was drain and re-fill with quality DEF. The DEF tank has an integral DEF quality module which is an ultrasonic sensor that measures the fluid level height as well as the quality of the DEF. While it is common that the root cause is poor DEF quality, it is not a guaranteed cause by any means. Hope you guys enjoy the video. fc-falcon">How to replace sensor without draining cooling system or def tank. An Exhaust Fluid Quality Poor message can be displayed with no DTCs. How does DEF work? “In diesel exhaust emissions systems, when we spray DEF into the diesel exhaust gases, a chemical reaction takes place. If the tuner was able to work around the def level sensor and not create a limp mode, drain and rinse and leave it empty. October 30, 2020. Using a digital multimeter (DMM), test the sending unit resistance to make sure it is working properly. We have 9 ic buses down for this problem. Mobile DEF Carts are designed to transfer intermediate quantities of DEF, from bulk-to-tank, tank-to-tank or to fill 55 gallon drums. Exhaust gas temperature sensor. • Flashing Parked regeneration is required as soon as possible. Dry cleaning still involves liquid, but clothes are instead soaked in a water-free liquid solvent, tetrachloroethylene (perchloroethylene), known in the industry as "perc", which is the most widely used solvent. Set heat mode. The verification step to check the sensors' accuracy is done with the inlet and outlet NOX sensors. 1st - cleaned emission sensor. The DEF quality sensor is the only thing that turns on the Exhaust Quality Poor. The OTC 5025 kit includes:. Just a thought and easy to check out. Place the head unit. On this model of emissions there is a little tiny def fluid filter that is in the def line right where it goes into the one-box. MotorPower Care ( DPF ) diesel particulate filter cleaning kit, high quality: This kit includes two products, one for the tank (diesel additive) and the other a foam spray for directly cleaning. TSB/Campaign Number 16-0154, 16-0034 – Some 2011-2016 F-Super Duty vehicles equipped with a 6. I'm starting to wonder if the system is working . For more information about the quality standards, refer to ISO22241 which details specifications for DEF quality,. Even trace amounts of a wrong fluid (like diesel or wiper fluid) can trigger a problem with the system and put the engine in a derated condition until corrected. And the specially curved power tip makes reaching the teeth at the back of. Dec 10, 2018 · by Volvo CE 12/10/2018 10. 5ish volts on the other two that should be bouncing. TSB/Campaign Number 16-0154, 16-0034 – Some 2011-2016 F-Super Duty vehicles equipped with a 6. The on-board systems will heat up and thaw the DEF in these conditions so it can be used when needed. This sensor detects the Urea concentration in the DEF to confirm it is acceptable for effective dosing (approximately 32. Hawk Hand-held Display and Data Logger. It is recommended that end users purchase certified DEF and avoid blending it themselves. A DEF quality sensor is mounted on the side of the DEF tank. 2% (the target is 32. Because of its properties, DEF is highly susceptible to contamination. This direct-replacement sensor matches the fit and performance of the original equipment part for a reliable repair. Replace the DEF dosing screen filter and in-line filter. The frequency of this service varies by type of equipment and brand. Had to tow a peterbilt back to the yard last night. 160 Series Download Datasheet. #kenworth #peterbilt #hdtech #diagnoatictech #electricdiagnostics #heavydutytechnician #paccar #cummi. The after-treatment diesel exhaust fluid quality sensor performs its internal diagnostic checks and reports malfunctions back to the primary engine control. Most systems also have a def quality sensor so adding anything but good quality def will generate a code. It is recommended that end users purchase certified DEF and avoid blending it themselves. CRC® Throttle Body & Air-Intake Cleaner, 12 Wt Oz View Details. Depending on the size of the container, here is what you can do. 5% de-ionised water. 7L Cummins diesel engine. #kenworth #peterbilt #hdtech #diagnoatictech #electricdiagnostics #heavydutytechnician #paccar #cummi. T6 : T6. They have very finnicky electrodes. Updated 08/21/2022. Search: Paccar Def Level Sensor Location. 10 Oct 2019. If the fluid breaks down that corruption can easily trigger a sensor and make it seem like it is failing. Another thing that you can try is to drain the tank and turn on the key. • When checking a sensor value through the control a reading of -40⁰F (-40⁰C) indicates an open in the sensor or sensor circuit and a reading of 266⁰F (130⁰C) indicates a short in. They say the valve is sticking open causing to over heat the QLS with coolant. Anything used for dispensing DEF should be cleaned with distilled or de-ionized water and. The reservoir is then refilled with clean, FRESH DEF. Made in USA. I gave them the code and was given the thumbs up to make it to Yakima. Called a def Doser inlet screen. 6 times since then it has flipped the DEF and ENGINE codes and each time went to the dealership. What DEF is, at a chemical level, is a combination of deionized water and urea that transform harmful nitrous oxide emissions into harmless water and gas. Put the key in and ignite it, don’t start the vehicle. Peterbilt DEF. About eBay; Announcements; Community; Security Center; Seller Center; Policies; Affiliates. Still reads 200 miles remaining. Enabling Cleaner Diesel Engines. You have all the normal engine sensors, which if fails causes the DEF system to fail. I'm all for clean air, but I'm getting sick of 3-4 regens per tank of fuel in city driving. Most systems also have a def quality sensor so adding anything but good quality def will generate a code. Key points on DPF spray cleaners:. So all information about Quality, Level, and Temp are transmitted across the J1939 Network. If the fluid breaks down that corruption can easily trigger a sensor and make it seem like it is failing. Sta-Lube® Lithium General Purpose Grease, 14 Wt Oz View Details. If you can keep driving it, the ECM will run the tests and either clear the message or turn the light back on. In this article, we focus on the exhaust gas temperature sensor. Can You Clean a DEF Quality Sensor?. The downside to EGR is that it. Store, handle, and replace DEF correctly and your. DEF in the machine will freeze, but it will not affect machine performance or expand beyond the size of the tank. Sounds Like a brush-off. The reductant level sensor communicates to the ECM the DEF fluid level present in it's storage tank. It has level sensors and a quality sensor monitoring if the concentrations are within the allowable limits. They say the valve is sticking open causing to over heat the QLS with coolant. This is because the ECU will detect an out of range value coming from the MAF sensor and the check engine light is its way of letting you know that something is wrong. Instead of the service emissions system I now have a “def quality poor” message. Anything used for dispensing DEF should be cleaned with distilled or de-ionized water and. Place the head unit. When heated, DEF splits into ammonia and. Open battery box door and verify Diesel Exhaust Fluid Quality Sensor (DQS) / Quality Level Sensor (QLS) connector location: a) If connector is located on top of DEF tank, proceed to Step 8. About an hour and a half into a thousand mile round, A fault code comes up saying DEF poor quality. Set power mode (Quiet/Max) Start cleaning; Pause cleaning; Resume cleaning; Abort cleaning. Category 1- you change out sensors that need to be changed put fresh DEF into the truck and drive it until it clears on its own. Quality Poor message is displayed with a specific DTC, use that specific SI diagnostic, and repair the vehicle as necessary. The DEF tank has an integral DEF quality module which is an ultrasonic sensor that measures the fluid level height as well as the quality of the DEF. n Clean the in-vehicle DEF tank before removing the cap n Clean the in-tank neck and neck filter, if applicable, after removing the cap n Wipe the DEF container prior to opening for refill n Clean the dispensing nozzle prior to filling n Ensure that the dispensing nozzle is kept in the DEF tank to minimize drips and mishandling. Diesel particulate filters (DPFs), of course, have been on all new trucks since 2007. Answer: The basic problems that most DEF systems run into are sensor and injector failures. You can email her at Jennifer. Maintaining Diesel Exhaust Fluid (DEF) purity and cleanliness according to the specifications defined by ISO 22241 and Cummins Service Bulletin 4021566 is essential in preventing damage to the Selective Catalytic Reduction (SCR) aftertreatment system. 2015 kenworth t680 def gauge reads empty but tank is full, no check engine lights, truck will not start,replaced def tank level. The part is on back order with no known delivery date!. With extensive application and market-specific sensors expertise, we provide innovative solutions. It was the def quality sensor that's part of the def sending unit on top of the. The DEF tank has an integral DEF quality module which is an ultrasonic sensor that measures the fluid level height as well as the quality of the DEF. Refer to Table 1 for DEF level sensor resistance. Apple Valley, California. 115 Posts. The DEF gauge dropped to 0, the low. Starting in 2010, DEF became a major need for companies using medium and heavy-duty Diesel vehicles. Unfortunately you can't just replace the quality sensor. When I asked the dealer about it they denied it and told me there wasn't any problem with Def deteriorating and causing problems. Clean the float and tube thoroughly with hot water, to restore free movement of the float on the tube. Even trace amounts of a wrong fluid (like diesel or wiper fluid) can trigger a problem with the system and put the engine in a derated condition until corrected. Don’t use tap water for cleaning. We provide top quality parts for the specific make of your diesel truck. The Mack ClearTech™ SCR System—the first to be certified by the EPA—creates clean-running and fuel-efficient engines that boast near-zero emissions to meet strict EPA standards. Def quality sensor cleaning. Finally, for other fluids, just smell the DEF to see if diesel is present. Fork Sensor/Slot Sensor. In fact, many problems related to DEF stem from improper handling, contamination, and infrequent replacements. Nov 02, 2021 · The global microchip shortage, exacerbated by the COVID pandemic supply chain disruptions, has resulted in a shortage of Diesel Exhaust Fluid (DEF) sensors. Workplace Enterprise Fintech China Policy Newsletters Braintrust bl Events Careers rj Enterprise Fintech China Policy Newsletters Braintrust bl Events Careers rj. • DEF Quality Message displayed on the DIC • MIL illuminated The technician may find one or more of the following DTCs set: • P249D • P249E Information Important: Starting in 2019, vehicles now use a DEF quality sensor that is in the DEF tank. The SCR system cannot work correctly without clean, fresh DEF. 0A or CAN 2. Just open the fuel lid, and locate the blue colored cap. Here is the rest of the freeze frame for this. First with dash warnings of “Exhaust Fluid Quality Poor See Owners Manual Now”. 2 things ive heard on the situation 1 being theyre releasing a update to bypass the sensor not sure when or how to get the file, and second was people are taking them out and cleaning them with. Cummins and other OEMs require that DEF used with their SCR systems meet all ISO22241 specifications as well as API certification requirements. This is made to ISO 22241 standard and its names can be different depending on what country you are in. Developing a cleaning validation protocol for each cleaning process per piece of equipment is an integral part of government requirements, as specified in Section 211. Could be a shitty def injector, bad nox sensor, semi frozen fluid if it was anywhere near 20*, or there's a very slim chance it actually has poor quality def fluid. DEF Shelf Life – Storage Temperature. -Malfunctions with the machine’s SCR system. P3935 = DEF quality sensor concentration - Voltage too low or short circuit to ground P3936 = DEF quality sensor ECU - temperature too high P3937 = DEF quality - Persist, not valid P3938 = Tank heater valve - Stuck in open position P3940 = CAN communication - Message time-out from DEF tank level sensor. It also provides service functions related to the DEF tank and Selective Catalyst Reduction (SCR) system, as described below. If you have a sensor you should be able to see the data from it. I also performed the DEF quantity test and it worked perfect. DEF sender. Push the small knob that is the reset button on the bottom corner of the dashboard. Remove DEF air pressure and temperature sensors. . Still reads 200 miles remaining. The DEF system uses a complex radio frequency type level sensor to detect the amount of fluid present in the DEF tank. Apple Valley, California. SSI Technologies, LLC TULC Sensor provides accurate and reliable measurements of the level, temperature, and concentration for SCR DEF tanks that meet legislated mandates for cleaner diesel emissions for mass transportation. The SCR assembly contains a catalyst brick that requires DEF, or diesel exhaust fluid, for activation. A vehicle's actual fuel consumption may differ from that achieved in such tests and these figures are for comparative purposes only. Reed switch, Continuous and steady output signal Product Features Include: DEF Level detection Modular design allowing integration of quality sensor DEF concentration detection. All of KUS’ DEF sending units are designed to work with our Ultrasonic Quality Sensor, which accurately monitors DEF concentration and quality. You could use regular water, but deionized water prevents scaling in the system, among other things,” says Miller. Summary: This Technical Service Bulletin describes the verification and resolution of fault codes 125, 222, 2191, 2973 and/or low power, white smoke, engine misfire, aftertreatment performance complaints as caused by incorrect pressure/ temperature. It has been said that between 2017 and 2018 the DEF sensors just failed at 20,000 miles. ISO 9001 & 14001 Registered 25190 Bernwood Drive Bonita Springs, FL 34135 239-405-6100 www. Dorman HD Solutions - 904-7368 : Diesel Exhaust Fluid Level Sensor. If your sensor or sensors can come off, look at how they are constructed. 1 volts or so. Motion sensors; Gyro Compass’s; SIT Compatible low light. The truck WILL say DEF quality is poor, but its the sensor NOT the DEF. 5% Urea and 67. 23 Sept 2019. SSI Technologies, LLC TULC Sensor provides accurate and reliable measurements of the level, temperature, and concentration for SCR DEF tanks that meet legislated mandates for cleaner diesel emissions for mass transportation. Refer to Table 1 for DEF level sensor resistance. IMES is a privately owned company founded by Stefan Neumann in 1996. After replacement stop engine alarms will continue to sound for a few minutes. 150 4. The part is on back order with no known delivery date!. Just a thought and easy to check out. How to replace sensor without draining cooling system or def tank. -SCR Inlet NOx Sensor 400-500 ppm. DEF Quality Sensor New for 2016 EPA Regulations -DEF Tank Sensor Assembly for Level and Temperature now fitted with Quality Sensor -Quality Sensor must detect 32. Email him at mark. Don’t use tap water for cleaning. Nov 02, 2021 · The global microchip shortage, exacerbated by the COVID pandemic supply chain disruptions, has resulted in a shortage of Diesel Exhaust Fluid (DEF) sensors. Lambda sensor for diesel engines The wide-band lambda sensor measures the residual oxygen content in the exhaust gas and helps to comply with strictest exhaust and OBD regulations. The quality of the DEF fluid should be 32. So here i sit yet again with a max derate on my new pete after yet another dealer claimed they fixed it, (8 and counting at this point) So far i have had the whole system pulled and cleaned by pete, replaced the quality sensor, doser, both nox sensors the SCR sensors, Soot can, Def filter, DPF filter, wireing harness, ECM, pump, cooler, ALL of the lines, injector, fuses, fuse box had the tank dropped and cleaned and then replaced with a new tank and had the whole ECM function tested. If the fluid breaks down that corruption can easily trigger a sensor and make it seem like it is failing. The submarine for example requires an on board generator to produce power for the entire vessel. When the truck and engine manufacturers were designing the EPA 2010 equipment, Cummins and Detroit went the combined SCR/DEF with EGR route. The voltage should be within the manufacturer values, usually 200mv. Apr 18, 2019 · Don’t use funnels, pitchers, hoses, etc. Your Ford 6. From a great post here: Incorrect Diesel Exhaust Fluid quality detected - Jaguar XE. You could use regular water, but deionized water prevents scaling in the system, among other things,” says Miller. Materials that come into contact with DEF must be free from contamination, oil, fuel, dust, detergents and any other chemicals. 58844, compatible with OE no. The American Petroleum Institute (API) has been licensing. They say the valve is sticking open causing to over heat the QLS with coolant. Or the sensors just fail. X15 DEF Tank Level Quality Temperature Sensor Preventative Maintenance Fix. However, DEF can freeze and thaw without any negative consequences. Aug 31, 2022 · Another reason would be the quality of the DEF fluid you run through the system. 5% high-purity synthetic urea and 67. What happens is the sensor goes out of range when overfilled, the same as it goes out of range when empty. Save Share. Just a thought and easy to check out. More Details & Specs. The after-treatment diesel exhaust fluid quality sensor performs its internal diagnostic checks and reports malfunctions back to the primary engine control. DEF sensor does not measure DEF quality until 2017 EPA. Using a digital multimeter (DMM), test the sending unit resistance to make sure it is working properly. ” Here are the top three ways DEF gets contaminated. Double checked the DEF injector using DEF system testing in Tech Tool. n Clean the in-vehicle DEF tank before removing the cap n Clean the in-tank neck and neck filter, if applicable, after removing the cap n Wipe the DEF container prior to opening for refill n Clean the dispensing nozzle prior to filling n Ensure that the dispensing nozzle is kept in the DEF tank to minimize drips and mishandling. An inducement signal value is determined in. • Diesel Exhaust Fluid (DEF) also known as Reductant is a fluid comprised of highly purified and deionized water and urea. 3720 15 DPF Ash Clean Request 3936 18 DPF Pressure - Out of Range Low. Anything used for dispensing DEF should be cleaned with distilled or de-ionized water and. Open battery box door and verify Diesel Exhaust Fluid Quality Sensor (DQS) / Quality Level Sensor (QLS) connector location: a) If connector is located on top of DEF tank, proceed to Step 8. 2012 cascadia. Apr 18, 2019 · Don’t use funnels, pitchers, hoses, etc. If the fluid breaks down that corruption can easily trigger a sensor and make it seem like it is failing. #2 · May 6, 2016. dmaxryan said: OK so I have talked with a couple helpful members, but anyway long story short, I have drained my DEF tank twice and this time I. Watch the video of the bus driving down there with no alarms going off and tell me that. That will set another code but don't worry about that. The DEF quality sensor is the only thing that turns on the Exhaust Quality Poor. *When DEF is spilled, clean the area immediately with water and use . Typically, if a. Dry cleaning still involves liquid, but clothes are instead soaked in a water-free liquid solvent, tetrachloroethylene (perchloroethylene), known in the industry as "perc", which is the most widely used solvent. download instgram images, porn games
Gregg Wartgow. . Def quality sensor cleaning
fc-falcon">How to replace sensor without draining cooling system or def tank. 3 CLEANING THE DEF CAP. IMES is a privately owned company founded by Stefan Neumann in 1996. This was odd. • It is normal for DEF to freeze at temperatures below 12⁰F/-11⁰C. Is DEF percentage between 31 and 34%? a. It is “compact SCR +Light CEGR” to be exact from NH. The development of exhaust gas NOx sensors started in the 1990s. Don’t use tap water for cleaning. 3 Posts. Is there any info out there that can help. For the past several years, Google has equipped several of our Street. 55 gallon drums: Just like the bottles, the product should be disposed. Beyond the core defence tasks, this also includes providing adequate search and rescue capability, refugee assistance and efficient customs and border patrol. Finally, there's President and Chief Operating Officer, Jennifer Rumsey. We were climbing White Pass in Washington State when ours alarmed. Sta-Lube® Lithium General Purpose Grease, 14 Wt Oz View Details. Turbidity Sensor (ISO 7027:1999) PAR Irradiance Sensor. AdBlue is the German brand name for a clear, non-toxic—though slightly corrosive to some metals—aqueous urea solution used to treat exhaust on modern clean diesel engines. The check engine light and def warning both came on. Need help? 888-630-1123. Quality Sensor must detect 32. The shaft of the generator is magnetically lifted to reduce friction, which is achieved by an active electromagnetic bearing. Consumers now have the option of a number of different cameras with. 5% Urea and 67. 4,543 Posts. Synonyms for CLEAN: antiseptic, chaste, fair, immaculate, pristine, spick-and-span, spotless, squeaky-clean; Antonyms for CLEAN: besmirched, dirty, filthy, foul. Use it at . Since my Duramax was less than 6 months old it began to have problems. EPA does set the standards. X15 DEF Tank Level Quality Temperature Sensor Preventative Maintenance Fix. 7) Disconnect and free-up (by removing zip ties from tank lid) two harnesses that go from the lid. Quality Sensor must detect 32. • Diesel Particulate Filter reaching system limits. It has been said that between 2017 and 2018 the DEF sensors just failed at 20,000 miles. 7L Powerstroke OEM DEF Fluid Level Sensor BC3Z5J225L BC3Z-5J225-L Same Category 11-12 Ford 6. DEF will freeze at 12 o F, so storing out of the elements is ideal. 2L Diesel Engines The 6. The ECU looks at NOX conversion to verify the QLS is accurate. The DEF system has a problem. The shortage of these sensors, however, has created a problem for many vehicle owners who cannot get a replacement. Or the sensors just fail. This bulletin applies to 2014-2015 Ram 2500 and 3500 trucks equipped with a 6. Your car's DPF pressure sensor will not be affected by the fuel pump and should not cause any problems. No SCR codes or problems with regen. Dec 10, 2018 · by Volvo CE 12/10/2018 10. • DEF Quality Message displayed on the DIC • MIL illuminated The technician may find one or more of the following DTCs set: • P249D • P249E Information Important: Starting in 2019, vehicles now use a DEF quality sensor that is in the DEF tank. #4 · Dec 6, 2020. Cummins and other OEMs require that DEF used with their SCR systems meet all ISO22241 specifications as well as API certification requirements. EPA 13 uses NoX sensors to calculate NOX quality based on conversion efficiency. 7L, T6. 155 6. #4 · Oct 18, 2021. Paccar MX13 EPA10 Engine Service Manual. Finally, for other fluids, just smell the DEF to see if diesel is present. Clean all DEF crystallization from the remainder of the unit with hot water. Siemens solution: SITRANS LT500MultiRanger level controller and SITRANS LR110 /LR120 sensor • Separated controller/sensor protects the electronics from dusty, noisy environments and extreme vibration. January 1, 1991. The Red "exhaust system" warning on the dash is on, as well as flashing DEF system light and the derate/limp mode. January 1, 1991. First thing I always do is check Freeze Frame. ; DEF Tank Heater – The DEF tank heater is used to thaw frozen DEF in the tank. 16 Jan 2019. ISO 9001 & 14001 Registered 25190 Bernwood Drive Bonita Springs, FL 34135 239-405-6100 www. Just put 5 gals in and it should reset. Dorman HD Solutions - 904-7368 : Diesel Exhaust Fluid Level Sensor. • Only API certified DEF should be used in Ford reductant systems. Jul 10, 2021 · Less than 100 miles into their dream trip they got a “check engine light. Log In My Account xx. I've owned it since December and 90k miles. 27 Mar 2012. perature sensor, flushing clean the evaporator. Jun 21, 2021 · DEF Quality Sensor All of KUS’ DEF sending units are designed to work with our Ultrasonic Quality Sensor, which accurately monitors DEF concentration and quality. Their motorhome’s DEF (diesel exhaust fluid) system tossed a code that could have “derated” their rig – meaning, don’t drive too far, and don’t drive faster than five miles per hour. X15 DEF Tank Level Quality Temperature Sensor Preventative Maintenance Fix. Nov 02, 2021 · The global microchip shortage, exacerbated by the COVID pandemic supply chain disruptions, has resulted in a shortage of Diesel Exhaust Fluid (DEF) sensors. January 1, 1991. When I asked the dealer about it they denied it and told me there wasn't any problem with Def deteriorating and causing problems. You have,. This is my first diesel. Not Yet. I've had nothing but trouble with the DEF system on my 2014 Cruze diesel, 2 full tank replacements, sensors, etc. When a vehicle equipped with a diesel exhaust fluid (DEF) system sits. The system must be able to detect when an inferior or incorrect fluid is introduced . 10 Dec 2018. This direct-replacement sensor matches the fit and performance of the original equipment part for a reliable repair. If you can keep driving it, the ECM will run the tests and either clear the message or turn the light back on. and bad def quality, location scr outlet temperature sensor dd15, freightliner cascadia dd13 dd15 scr inlet nox sensor, section 3 1 ecm and sensor locations, location scr outlet. Three issues we see over and over are: Inadvertently putting DEF into the diesel tank. SICK's vast range of photoelectric sensors offer precise optics and advanced technology, creating market-leading solutions with sensor intelligence. Diagnosing through the list can be tough if you have nothing else to work with. Although I focus on Paccar power this als. Air Quality. Those four wires are power, ground, CAN hi, and CAN low. Because of its properties, DEF is highly susceptible to contamination. fc-falcon">How to replace sensor without draining cooling system or def tank. It has a low NOx conversion efficiency and bad quality DEF. Brake Fluids & Cleaners. I do not have Isuzu IDSS system at this point but have an Autel Maxisys which does pretty well. The after-treatment diesel exhaust fluid quality sensor is used to measure the concentration of the after-treatment diesel exhaust fluid in the tank. When I had the DEF quality warning, P20EE and P249E showed up before the mileage countdown completed. Light Sensors. For more information about the quality standards, refer to ISO22241 which details specifications for DEF quality,. Hope you guys enjoy the video. Immediate derate is a result of failure! DEF Fluid – This is the tank with the blue cap holding the DEF fluid. Motion sensors; Gyro Compass’s; SIT Compatible low light. When I asked the dealer about it they denied it and told me there wasn't any problem with Def deterio. Anything used for dispensing DEF should. They have very finnicky electrodes. The API offers (sells) manufacturers rights the API mark. A flashing DEF Light combined with a Check Engine Light indicates that the DEF level is critically low and you will derate. . ksom sports