Def tank is full but says empty

Dec 1, 2021 · 2017 F350 6. Have checked and cleaned all the wiring and connections. The DEF tank uses a three-position level sensor (four electronic probes). It read full even though it was empty. **Check DEF Level and Quality:**. My DEF tank is full. red stop engine light on. A few weeks wait due to the fact that this is, evidentially, a wide-spread and known issue, and the tanks--unless you are down--are backordered. 2023 LZO CC std box 4x4. Nov 16, 2013 · Bought 2 large containers of adblue from the stealership and filled up the tank. I pulled into the Pilot in Rayville, LA and bought a jug of DEF. 500 miles after that, it will speed limit to 65mph. Oct 6, 2019 · Def tank is full and gauge says it’s empty with def light flashing and also - Answered by a verified Technician We use cookies to give you the best possible experience on our website. Aug 1, 2021 · Being as it is summer time I crammed it full to the top of the filler neck just to see how much would go into the tank. Feb 5, 2020 · Then got the message stating I had less than 300 miles left on def. Mar 22, 2022 · I have a 2016 T680 Kenworth and the check engine light is on. Satisfied Customers: 1,086. 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. There is no wiring harness on the top of that tank either. Added a jug of DEF (2. Feb 13, 2014 · Update. If all of your wiring and sending unit is proven good but the problem still shows up, you may have a software Tech talk 7 Ram Diesel DEF fluid gauge stuck on Full. Jul 27, 2020 · Siphoned out all of the DEF. TDI. More than half my mileage has been towing a DEF tank is usually mounted beneath the trucks and contains deionized water to lower exhaust emissions. Under the hood at exhaust manifold I have lots of white crusty stuff. So to keep my DEF “fresh”, I Oct 18, 2018 · If you just turn the DEF system off via a programmer but leave the stock exhaust in place the particulate filter will eventually clog up and disable your truck. Was on a road trip last night and got a DIC warning that I had 175 miles until I was limited to 65 mph. I have roughly 1100 - 1200 miles on it since filling the tank. Duramax DEF tank full but says empty can be due to faulty DEF level sensors, bad ECU, damaged reluctant heater, incorrect wiring of sensors, DEF contamination, faulty DEF pump, and air bubbles in the system. So I have a 2012 Duramax. Eventually the crystal melts and all of a sudden you see a significant drop in the bars. Don't worry until it doesn't go away after a few days. Nov 9, 2017 · He said he could kill the truck and cycle the key, and it would sometimes cause it to start working again. This will give more information as to the type of troubleshooting needed to proceed. Using either consumption rate it seems likely it still has more than 24%. I can see that. Sep 2, 2014 · Thanks for the replies. May 9, 2012 · DEF Tank is full but reads empty. - **DEF Quality:** Ensure the DEF fluid is fresh and hasn't been contaminated. I had a long drive ahead of me towing my gooseneck trailer. "I don't mind hording oil, but won't horde more than 2 - 2. When stored under optimal conditions — between 12°F and 86°F — DEF has a shelf life of up to two years. Could I have a air lock. This message appears again at approximately 500 km (300 mi) of remaining range before the exhaust fluid tank becomes empty. Mar 27, 2018 · DEF tank is full, yet system says it's empty! This has been an intermittent issue and has cleared while refueling! I left the engine running while refueling and when the gage hit the ¾ level, DEF mess … read more Oct 31, 2015 · Always fill up the DEG fluid at each oil change. Not sure if they cleared the DIC or not. If that is fine check the connection where the level sensor plugs in on the side of the tank. I keep the tank full, but now I am getting a fill DEF tank warning and a no start warning in 1200 miles. TomcM28. Even with the tank full, I kept getting the warning that the tank was decreasing in level. This will not set a code so just Dec 30, 2019 · My 2014 ED DEF gauge has been slowly going towards empty over the past year. Which is not enough to fill the tank on that. I also found two of the Nox sensors unplugged. Get warning that DEF tank will run out in less than 400 miles. How to replace mack truck fuel tank sensor For No The the DEF fluid level needs to be reset using a scan tool. K and LOW. def gauge shows full. 5 gallons & message went away. May 4, 2020 · Yes, interesting. Dec 31, 2020 · DEF systems kind of span the line between the chassis and the coach with the chassis/engine people responsible for the DEF exhaust system and the chassis people somewhat responsible for the tank and delivery system. Not sure yet if the issue is fixed yet or not. It also says the def is empty but the def tank is full. Tinted, Weather Techs, Boost mirrors, leveled/Moto0970/35” Ridge Graps Kennedy pump, Ridge Runner 75HP tune, May Truck Parts custom exhaust :neener. Less than 100 Miles later, at just above 1/8 tank, the dreaded 200 mile screw you Def message appears. 5 gallons. yellow empty warning light flashing. 1. i don't fill mine till the 500 comes on the info screen. I heard this was possibly the n0x sensor or adblue heater which is a $1,000 fix and not covered under my dieselgate warrantyFML. Eventually, it just quit working all together, and the gauge was stuck on empty, even though it was full of def. Mar 20, 2018 · The DEF system is complicated and is definitely a significant part of why the diesel engine option is so expensive. Mar 20, 2018 · 2017+ Super Duty - DEF guage stuck on full - Back in Dec 17 I filled my DEF tank full. As the fluid level nears empty, these messages appear every time the vehicle is started. Jan 24, 2023 · And code p1463The Def level is full in tank but on dash says empty please help diagnose. Run the Def leak test with insite. I bought 2 different jugs and filled from a bulk tank. Experience: Expert. On the most recent start up the service engine light was off but shortly afterward the DEF warning came on. If the vehicle is driven prior to the Exhaust Fluid Empty message clearing, the vehicle will still be speed limited. It's a bottle that holds 1/2 gallon of fluid. Jun 3, 2007 · Springfield, VA. Jun 27, 2012 · With an empty DEF tank, limited speed messages will be displayed. If the Exhaust Fluid Empty message clears while driving, the vehicle must be brought to a complete stop to release the speed The DEF tank is full ,but the gauge shows empty. Not using def and no cel tank is empty Cummins Diesel Forum. It should build 130 psi within a few seconds. When this happens, the system then senses an insufficient amount of the DEF and reads empty even when it is really full. Jun 23, 2013 · DEF empty indication when full. Over time, these crystals can cause blockages. Technician: roybelding. 5k into the trip (2. Check for fault codes and trouble shoot each fault code logged within the ECM memory individually. File attached (MG5273V) Which one is the sensor. It is clear. Here are steps you can take to troubleshoot and potentially resolve the issue: ### Immediate Steps: 1. If the Exhaust Fluid Empty message is displayed: • When refilling, more than one gallon of DEF must be added to release the vehicle from speed limitation. 5%If it is out of whack then that will prove that the quality sensor is defective assuming it is only DEF fluid in your tank, and you will have to replace the entire DEF tank module. Gauge shows 1/2 full. I filled the tank and the message cleared. Stopped and put in 2. The fuel gauge is preprogrammed to know that less resistance equates to a tank full of gas and vice versa. Plus the warning light on the dash. DEF Low Warning Chevy and GMC Duramax Diesel Forum. The service engine light was on. May 7, 2010 · " The quality of DEF also is not affected if the fluid freezes. My dash computer switched over to saying Low DEF and my check engine lamp was on. Do you have any other details that could be helpful? Truck running fine but minus ten and windy. I'm in a bit of a situation. Plugged everything into the car and voila. Mechanic's Assistant: Sometimes things that you think will be really complicated end up being easy to fix. Likes: 8. If you fail to fix it accordingly and prompt, the Apr 19, 2019 · On the way home from the shop I did a test drive. Do you have any other details that could be helpful? Motor home on a Freightliner Chad is. Dec 31, 2022 · Take time to check the components and address why is my fuel gauge reading empty when the tank is full. That was the good news. It should be sitting near 32. I barely made it home with the dash saying less than 50 miles left. 7L Power Stroke Diesel - DEF 500 miles to empty - I got the DEF warning a couple of weeks ago towing my 5th wheel. Aug 9, 2020 · Adblue says to refill in 600 miles or my car won't turn back on. So I ran Feb 2, 2016 · Between me and the dealer (when they did my free oil change) about 5 gallons of def had been added to my truck for the first 10k miles. Dealer replaced the DEF tank. Mechanic's Assistant: The car Mechanic will know what to do about your tank. I recently took the truck to a mechanic and he put new batteries in. But why this gauge show full File attached (35T7ZS6) Blinking red light I checked the def tank and is not completely full is almost half full. 7 low DEF warning still on after filling DEF tank. So, I am thinking the sending unit is stuck in Jun 7, 2014 · ii had def fault code on and limited me to 50 mph replaced def pump now check engine light is on. So to simulate a FULL tank I just grabbed some bare copper wire and jammed it into the level sensor side of the “def level sensor evaluation unit”. Every tank I get the 1/2 full message then add DEF. Fuel 20x9 rims Stock tires. Oct 6, 2019 · DEF countdown but tank full. Aug 17, 2021 · #1. Ask Your Own Medium and Heavy Trucks Question. Dash gauge shows green light and needle goes to full. Know Why DEF Light Blinking On Freightliner Tank Is Full. Additionally, capping off your DEF tank’s neck leads to an underperformance of the engine. Why does this 200 mile screw you message come up before the Def is empty or the gauge even reading empty? Jun 1, 2022 · DEF Light on But The Tank is Full Peterbilt. Jun 4, 2013 · 6. Last week I had about 3/4 full of DEF (have a pic to prove it) and today it went to empty with only 245 miles of just daily driving. Understanding the different components in the fuel pump and tank can prevent this issue Jan 20, 2013 · Catch is that I had 5-8 of a tank. I added some DEF in the tank and it's still full. Aug 4, 2016 · I have 2 check engine lights on and my DEF fuel light on but I just filled my DEF tank up. K. He caught a load going about 300 miles out, so I asked him to try something. The tank is full. After the reflash, the gauge seems to hang on "Full" longer. If you don’t have a check engine lights and it just started, I’d mean more towards a stuck float or failed sensor. Jan 2, 2019 · Then it reset itself with about 200 miles left. Mechanic's Assistant: What is the model/year of your Ford? 2017 f350 Aug 29, 2022 · Hi, why DEF light blinking on Freightliner tank is full? Though the DEF light blinks mainly when the DEF tank is empty or nearly empty, if the tank is full, Jul 29, 2021 · Def gauge showing empty but it is completely full. I decided to drain the tank dry to see if the sensor was bad and even with the tank empty, it shows full. Jul 5, 2014 · Wait for up to 30 seconds with the engine running for the Exhaust Fluid Empty DIC message to clear. Jan 16, 2022 · My DEF gauge would get stuck at 1/2 a tank for a few thousand miles and then I would get a low DEF warning and fill up. Just add a 1 gallon per 1000 miles or so and you'll be good. Common Causes of DEF Tank Showing Empty When Full. Faulty DEF Level Sensor: One common reason for the DEF tank showing empty when it's actually full is a malfunctioning DEF level sensor. Mostly it is usually caused by a few simple things, such as a faulty float, incorrect calibration, a defective fuel level sensor, or a failing fuel pump. Jul 5, 2021 · Check for any defects on the fuse and the wiring. 4 = 1142 miles per gallon of def, so it would have had to travel 4. that is like a fuel module in a fuel tank. Well, it got below zero pretty quick. I filled my def tank before I went on a short trip pulling my 5thwheel. 200 Miles to empty, add DEF now message. The heating elements are controlled by the glow plug module. #1 · Jun 25, 2020. If the sensor is faulty, it Sep 11, 2023 · Def gauge says I am very low but the Def tank is full. e, O. It counted down much quicker than the mileage. Mar 9, 2024 · To reset your engine system properly, you’d have to disconnect the negative battery cable and let your engine drain away all its power by waiting for about 30 minutes. Received 144 Likes on 70 Posts. Feb 9, 2022 · Def low warning light comes on one needle width below 1/4 tank. what does this mean One light is a engine light that says check in the middle of it and the other is just a engine light The DEF light is on as well but I have a full DEF tank May 31, 2021 · Posts: 476. 7 engine it says the truck won't go over 5 mph and says to service the def system and the gauge shows the def tank to be empty but it is full. Aug 29, 2020 · a full tank was lasting like 4-5 months, no joke so the gauge looked like it was stuck. I read on the forums (this and others) that either the sensor would reset itself or I could perform a hard reset by turning the ignition ti run for 20 seconds to a minute. Nov 25, 2020 · DEF systems kind of span the line between the chassis and the coach with the chassis/engine people responsible for the DEF exhaust system and the chassis people somewhat responsible for the tank and delivery system. Got back in the truck and the gauge didn’t move. I am stuck out of town and no dealership can get me in before I need to leave. My gauge shows full, but I keep getting the warning. - **Verify DEF Level:** Ensure the DEF tank is filled with the correct fluid and at the appropriate level. Jun 14, 2020 · I have a 2016 T680 Kenworth and the check engine light is on. It read 200 miles remaining. Even though I knew my def was not low I stopped and was able to add 2 gallons until completely full. Codes 3364,3031 7323 6780. 5 gallon jug of DEF and proceeded to bring the tank up above 1/2. I filled the DEF tank, but not absolutely to the top from the bulk DEF pump at a Road Ranger. clean def harness connections. Gauge on the tank shows almost 1/4 tank. Jul 13, 2021 · Pcscout said: 2019 GMC 2500 6. The Freedom 2 Roam - DEF Level Low Refill Soon. For example, the tank, pump, and lines are electrically heated. I have been having excessive DEF usage, and dealer reflashed the ECM, and it is better. I cycled the pump to prime. It has said it will reduce it 5mph in 200 and then 100 and now 75 miles but it bounces around along with the gauge. Anything else you want them to know before I Jun 25, 2020 · 319 posts · Joined 2016. Plus running the tank full will crack the tank, at those temps it doesn’t take long to freeze anything especially at 65mph. I am on a trip with my 2011 about 400 miles from home, I got the def message today 280 miles left. Rumor has it, better off keeping it on the full side to avoid issues. since. Like. I just got the DEF warning that the tank was empty and I had 500 miles to reduced speed of 65 MPH. For instance, if your tank capacity is 45, then when the fuel remaining is around 11 liters, the fuel light comes on. 6 / 55,000 Miles. 5 gal). Aug 14, 2013 · Resetting the DEF. Nov 24, 2014. Jan 7, 2022 · Last thing you want is to get some DEF crystalizing in that almost empty tank. OR. 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. But after 3 restarts and only about 15 miles, I have the DIC message again, for 890 mile range for def. DEF tank indicates over half full but the DEF is old Nov 18, 2018 · Def fluid is full but says it is empty and derate in 50 miles. Dec 25, 2023 · DEF tank is full, yet system says it's empty! This has been an intermittent issue and has cleared while refueling! I left the engine running while refueling and when the gage hit the ¾ level, DEF message cleared! Doesn't make any sense, 2 independent systems. C. But he put on … read more Jun 27, 2021 · The 4th fault code needs to be cleared manually. there should be a header. Sep 26, 2017 · I know where that is the only way to spill def on top of the def tank would be from under the truck. I'll prolly either keep it full for the time being before I can trash the garbage system. Mechanic's Assistant: The Ford Mechanic will know what to do about your tank. 380 Cummins engine Mar 8, 2023 · The DEF range DIC message first displays at approximately 1 600 km (1,000 mi). Feb 25, 2017 · I have a 2016 freightliner HDJE6489 the def tank is full but the yellow light is flashing that it is empty changed fluid ,sending unit, had filters cleaned reset everything performed aftertreatment sc … Sep 2, 2019 · The def gauge says truck has no def, and the check engine light is on truck says shut down immediately, and the def tank is full. This sensor is responsible for sending signals to the vehicle's computer system to indicate the level of DEF fluid in the tank. Had the truck from day 1, and pulling our 5th wheel for the last 3 years. With that fault active it's possible that the DEF gauge may not display correctly. Mission Statement: Supporting thoughtful exchange of knowledge, values and experience among RV enthusiasts. I have been keeping mine UNDER 1/2 tank since we do not travel enough to use up a full tank of DEF in a year…. I tried several times starting the truck up, and drove hundreds of miles, but the gauge will not move. 75 miles after that, it will limit to 5 mph. 75 miles after that, it will transition to 55 mph. Jan 14, 2024 · Very cold out, new Ford 350 with 6000 miles on the odometer the def tank is full but the gauge says close. K message until it gets low enough to change reading. The system can detect a heater failure and it will result in a MIL being lit. The ideal thing to do in this situation is to use Cummins Insite or other diagnostic software to attempt to clear the fault codes and to monitor the DEF level reading. Inspect the fuel gauge fuse and replace it if necessary. This is the emissions system after the DPF that uses DEF to reduce NOx emissions. Jan 25, 2012 · Thats right, it will indicate only in steps from different sensors i. My DEF system says it’s empty but it’s actually so full it was over flowing when I tried to top it off again. I have a 2016 T680 Kenworth and the check engine light is on. Mechanic's Assistant: The Mechanic will know how to help. I have tried resetting it via the check button that resets everything else but no luck. 16’ C. If you have insite, then look under data monitor Locker for the Def quality percentage. Sep 3, 2022 · After changing my water separator filter the def tank is showing empty and have 199 miles to go before it goes to 5 mph. #4. Using the higher fuel consumption rate of 16 mpg gallon it would be 1600/1. He also says that if you keep the DEF Tank topped off, or at the very least, refill at less Sep 23, 2017 · My 2016 (18K on the odo) had the 500 miles till DEF empty come up on the dash yesterday so I filled the DEF tank. The system will reset the low fluid alarm if enough fluid has been added to satisfy the sensor. Aug 31, 2022 · Easier to thaw 10L at -40 than more. Fix is to replace DEF Tank. Usually, you should have a fault stored in the DEF module, depending on the scan tool that was used in order to retrieve the faults, it may not access the DEF module, most basic OBD2 reader will not. But he put on … read more Jun 9, 2022 · The def tank utilizes electronic resistance sensor. Yes it can take a day or two for the computer to figure itself out. now a limit 50 mph light comes on for a few seconds when i st … read more Your float could be stuck at the bottom of the sensor, your sensor could have failed, wiring between the acm and sensor could be bad, or on the more extreme side the acm could be bad. Currently at 1/2 tank DEF on the gauge with a box of DEF in waiting in the bed of the truck trying to see if I can burn the gauge down from 1/2 to 1/8th. My Ford Ap says fill def soon. Anyone have this issue that can shed some light? Hate to take it to the local dealer as they suck and take forever. Sep 28, 2023 · Prevent Crystal Formation: When a small amount of diesel exhaust fluid gets exposed to air, say if your tank is nearly empty, it can crystallize. Emphasis on the 'rumor' part. Apr 12, 2012 · 2ndPassat. 2021 GMC Denali 3500 Duramax, Hunter Metallic. I have no cels on the dash and a code reader only shows a soft code for nox sensor lost communication. At that time the 500 mile warning came on I was heading out on a 5k mile trip, so I filled it - took 4-4. . does not mean that you are low on DEF, but that there is a concern with the DEF system, same as the check engine and the yellow engine lite means you are getting a secondary problem with your Apr 27, 2016 · Eventually the system becomes confused and just defaults to the miles to empty countdown, and suddenly you'll get a warning saying to refill the DEF, even though the tank is full. Added 2. They found no codes with scanners DIC message was gone. Sent from my iPhone using Tapatalk. Fast forward to now Def last like a month. I never got the 1/2 full warning then I got 500 miles to empty. If you don't have one, they run about $15 from an Audi/VW dealer. I use to keep it full but the sensors don't seem to like that. My DEF tank is over 5 gallons. Will it actually go to 5mpg if it has The code can be cleared but if it returns then it is likely a harness problem or defective sensor causing the indicator to go on. If before filling the DEF, you had a Mar 12, 2015 · 10 posts · Joined 2002. DEF tank is full. Is this the known problem on the DEF tanks? Apr 3, 2023 · As a result, the DEF is unable to flow from your tank to your exhaust streams. So I put more DEF fluid in. 3. On location when you see the warning light, even if the tank is full, is that there is a problem in the after-treatment system. If you're experiencing the tank full, empty display issue with your Duramax fuel gauge, here are some steps you can take to identify the problem: Check the fuel gauge fuse: A blown fuse could be the reason behind the faulty fuel gauge readings. While waiting in line to get into work today my DEF gauge went to empty and received a message (speed limited to 5mph in 200 mi, refill DEF). I have checked and the info screen said DEF below 1/2 and I went to fill and it wouldn't hold 2 1/2 gallons box. says my def tank is empty but it is full. If there are no defects there it is more than likely a bad level sensor. Mechanic's Assistant: Just to clarify, which fluid are you talking about? And what color and consistency is it? Diesel exhaust fluid. . The gauge shows the truck is full and I also topped off the DEF fluid hoping that that would solve the problem but I have not had any luck. Not full, 3/4,half, empty like a fuel gauge so you don,t know if you have 1/2 a tank or 3/4 tank just O. This answer varies depending on the fuel tank’s capacity since it is different from one vehicle model to another. Jan 5, 2021 · new def fluid. Exhaust fuild system fault just came on. My Ford Guy, who's pretty reliable says it is defective DEF Tank Sensors. Later on, you need to use a code reader, pour in enough DEF, and take the vehicle to a repair shop . yellow engine light on. jdwarren, RandyH and Hoser. Mack Pinnacle Fuel Tank Gauge/ Sensor is Not Working Properly, How To Check Your Fuel Tank Without A Gauge. That there is an issue with the DEF system. Technician: mobile-tech. May 7, 2018 · Technician: Andy. Because DEF freezes, they could not use a conventional float system, because the ice would damage it. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. Batteries were dead and replaced two days ago. The DEF fluid got low. It went on to limit my speed to 55 mph. Hello, my name is*****’d like to help you today. My new 2020 6. That's just one example. Refilled again at a dealership. Aug 4, 2016 · Your check engine lite means you probably have an issue with your particulate filter, since your DEF lite is on this means you have a filter clogged or water has caused your DEF filter to clog. The other faults are derate fault codes. It has been working O. Add a few liters of fluid, then turn the ignition on for 30 seconds. Hauling Dec 7, 2016 · I need to change the assembly in my truck someday, it throws a CEL every time the tank gets to 2/3 level from full. And it has several code … read more Nov 5, 2021 · The DEF light will illuminate whenever there is an issue with the SCR system. 7 had dealer fill up DEF tank which was showing almost empty, showed full on gauge until 2 days later now it shows almost empty. The dealer replaced my DEF tank recently due to a bad temp sensor . You'll want to connect a scan tool to get more information as to the type of failure. "There is NO sender float in the DEF tank. If so how do I clear it out. That means about 3000mi to a tank of DEF. Funny you say to keep the DEF tank full…. #1 · Mar 12, 2015. Ford DEF gauge. Still needle is showing just above the red on the gauge. LT. Doesn't the XLT (non LCD dash) warn you when 1/2 full when you toggle through the message center? I thought it Jan 4, 2019 · When empty it gives an 'exhaust fluid empty' message, and warns of future speed limit. ‘18 Tesla Model 3D+, ‘14 Cadillac ELR, ‘13 Fiat 500e. If the DEF low warnings are ignored and the DEF tank May 6, 2021 · Here's the troubleshooting for the 5625 faults. I checked earlier that day & message said DEF O. 5 gallons of DEF. Looks like a urea leak, but have not located. Mechanic's Assistant: Can you confirm the make, model, and year of your car? 2019 Peterbilt 389 Cummins X15. Draining the DEF AdBlue Tank - Land Rover Forums - Land Rover. i have the alarm “no engine start - fill adblue tank. on. However, in general, when the fuel gets less than a quarter of the fuel tank capacity, the light comes on. This will force the computer to reset on its own. I keep getting a low DEF warning with XXX miles left every time I start my truck. At least in my case, you can tell the DEF tank is full by noticing DEF fluid spilled around the tank by a sloppy VW mechanic. Verified. to empty. When I restarted my truck the gauge showed I now had 6/8 of a tank but now the red light was flashing at me. Best is to track the mileage and add accordingly. you could possibly bypass the sensor for test purposes to see if the light goes out. But he put on … read more Dec 16, 2013 · RAM explanation on DEF gauge response. Answered in 30 minutes by: Technician: TomcM28. I was doing some cleaning and maint on our 2014 F-250 and ran through the checks when the DEF tank indicated it was less than 1/2 full so I grabbed my 2. Truck had not seen much use due to the COVID 19 issues. Maybe it just wasn’t regening that often I dunno. • Wait for up to 30 seconds with the engine running for the Exhaust Fluid Empty DIC message to clear. Cold Climates and DEF: The fluid will freeze at about 12°F (-11°C). I just bought a 2016 dodge ram 2500 def gauge said it was at half. it has a hose for the def and a connector for the unit. Mar 5, 2018 · 4. Topped off DEF tank and it was full. Dec 21, 2016 · First oil change at 7,000 miles on a 2017 6. 5k empty, 1k towing an 8k# TT) the 500 mile warning came on. Check your harness and connections at your sensor. The first time it happened was on a long trip out west. I live in Missouri and it was supposed to get frigid. So i filled it up and it was fine then next time i started the truck it said it was empty and i have 200 miles before im limited to 5mph. After driving for about 300 miles, I got a low fluid warning that said I had about 1000 miles til empty. Category: Medium and Heavy Trucks. 18 x 1142 = 4773 miles. I plugged in all the connections on the wire loom to the removed parts of the def tank and brought the string of bits out to the car (pictured). 18 gal x 1285 mpg = 5,371 miles. If stored in warmer temperatures, shelf life decreases. By keeping your tank reasonably full, you help prevent this issue. Dash gauge shows red light but needle shows full. 2020 F450 def gauge issues. When his miles got down to about 100 left until Troubleshooting Steps to Identify the Problem. 5 gal, and it was definitely full. Still reads 200 miles remaining. It showed to be full and after I returned it still shows full . The gauge does do a full sweep when turning on the key, just like all of the other gauges. Technician: Daniel Wilson. In short, the system wants to see the DEF levels drop so that it gets an accurate look. Shortly after picking the truck up it started an active regen and about 5 minutes later the low DEF indicator lamp came on. Adblue warning light usually resets after I add some DEF in it. dealer does not know whats wrong but suggests changing the DEF pump module with no guaranty it will resolve issue. RikardM, Piper One and poosniffer. It held 1. 2011 GMC Sierra 2500 HD 2500 4X4 Duramax Traded 162,000 miles!! Mine said DEF empty 500 mile till 65 mph, oh wouldn't let me change the page either. It does seem the DEF consumption is bit high. The tank only took 3/4 of the jug and some DEF ran down the side of the truck. 7L is at 2200 miles and the DEF monitor indicates 800mi to go (also reads 1/4 tank). Jun 7, 2023 · If your fuel tank is full, the small wiper will point to low resistance and when the tank is empty the wiper will point to high resistance. It took about six gallons to fill up. The bad news is that there are about 250 items that can turn the warning light on even though the DEF tank is full. previous: 2021 LM2 CC std box 4x4 ; '18 2500 L5P CCSB 4x4; '11 LML, '10 LMM and 04. You can use an AdBlue Audi/VW DEF fluid bottle to fill the tank. Our turn for DEF traveling problems. 5 gallon def jugs as that usually lasts us two years. Sort by Most reactions. I have a 2020 F450 and I believe my def gauge is stuck . On the dash shows " Engine derate 40% in 3 hrs. Reply back if you need further help with this. true. If the gauge is stuck on empty, the problem is likely a faulty level sensor or sending unit for your DEF tank. My thinking was a full tank would be harder to freeze than a half tank. I have driven over 3 thousand miles since and my gauge has not moved Jul 18, 2022 · The def tank showed full and has continued to show full for over 10k miles. Thanks Tom. I have about 600mi from towing, a 300mi road trip (empty), and the rest a mixture of City / Hwy driving. When the wiper on the sensor indicates high resistance, your low fuel light will ignite on the Dec 18, 2022 · On a 2014 Dodge Ram 2500 with a 6. Put it in my tank and gave it a few minutes to settle. 5 LLY. A few weeks later, same scenario. This happened May of last year. Our 2013 Winnebago with a Cummins on a Freightliner chassis had a stuck float. The Heavy Truck Mechanic I'm going to connect you with knows all the tricks and shortcuts. qh hq oh bd pm ud es go xq wc