How to reset ram def countdown

This message will display when DEF driving range is. less than 200 miles. It is also displayed at 150 miles and. 100 miles. DEF fluid top off is required with in the. displayed mileage. The message will be displayed in. the EVIC during vehicle start up with an updated. distance mileage, and it will be accompanied by a.

How to reset ram def countdown. Jan 19, 2021 · To reset the Dodge def system You will need to reset the computer itself. There is not an official way to do this, so You will have to get creative. To start You need to open the hood of the truck and prop it up. Now find the battery under the hood. Locate the negative cable, while making sure to leave the positive alone. Pull the negative cable off. Now, wait for about 30 minutes to an hour ...

Service def system message Going into limp mode in 70 miles. Dodge Mechanic: Ron. If the system is full and there are no issues with it then try the reset. See the steps to do this in the link below. Give this a try and post back if you have more questions and or need more help.

Jan 10, 2022 · Well-Known Member. DEF 5 mph workaround: With the ignition off, turn on and hold on the right turn signal, then place your ignition switch in the accessory position while still holding your right turn signal on. On my vehicle the dash lit up as normal, then it went blank and dark, then it came back as normal. Oct 23, 2016 · Service def system message Going into limp mode in 70 miles. Dodge Mechanic: Ron. If the system is full and there are no issues with it then try the reset. See the steps to do this in the link below. Give this a try and post back if you have more questions and or need more help. In this video, I will talk about code p2048 testing and replacing Cummins 6.7 def injector. I received the "Service DEF System See Dealer" message on my inst...154K likes, 1,912 comments - prattprattpratt on December 30, 2023: "The countdown for DEF Reset has begun! Disclaimer: these are not real workouts in the program, th..." Chris Pratt on Instagram: "The countdown for DEF Reset has begun!Select the date and time for your countdown. Tweak the options above until you're happy with the preview. Click "Make Countdown". That's it, now share your countdown or embed it on your website. Free online …Update , I got my jeep back 30 days ago and they replaced the DEF Pump my engine light turned on today and it's giving me a count down again that my jeep will not restart in xxx amount of miles. "See Dealer Service DEF" this the 3rd time I love the jeep but I honestly I am very disappointed and frustrated at this point with it I can't rely on ...

Step 1. Download RAM Def 2.6 Xtreme from the link in the Resources section below. Save the file to your computer. This software has been tested for spyware and viruses, so you have nothing to worry about. Best of all, the software is completely free! See the resources section for the link. Video of the Day.Nov 2, 2013 · 2012. Engine. Hemi 5.7. Need some help folks. I recently added 2.5 gallons of DEF to the truck and I had a light come on. I’ve looked around some and seen where this happens some when adding more than 1 gallon of DEF I’m hoping that’s my case. And can get the light took care of without needing any replacement parts. Step 4: Carry out the Resistance Test. To run the test, you need a digital volt or ohmmeter. Now the question is when and why you must take the test. Usually, the test is carried out to check if a steady power supply is available on the system. The test result will tell you if the sensor is faulty.Yeah, sounds like your DEF froze. Resetting via AlfaOBD could be an option. However, if the sensor or DEF injector was harmed by the freezing, the code would come back. I get a P203E code for faulty DEF level sensor. I'm able to reset & continue on my way. FYI, there is a work around for if the countdown goes to 0.2015 RAM SERVICE DEF SYSTEM WARNING RESET HOW TO; But even trucks that require DEF are not immune from potential problems: Ford and Ram put their DEF filler necks inside the fuel filler door, right next to the fuel filler. The truth, of course, is that DEF is only useful in a rig with a DEF system, which consists of a separate tank, filler cap ...Then, press back the gas pedal. The glow plug should flash a few times before stopping. Turn the vehicle off and wait for about 10 seconds before you turn it on once more. Next, press the gas pedal a couple of times. On the second press, hold it until the plug turns back on. This should be able to reset the DEF light manually. Crystals obstruct the sensor and affect the level of accuracy. As a result, the computer will pick up on this and display the ” Service DEF System See Dealer” warning message. 5. Low Diesel Exhaust Fluid. The fourth and final reason for the “Service DEF System See Dealer” warning is that the fluid level has dropped too low. Well-Known Member. DEF 5 mph workaround: With the ignition off, turn on and hold on the right turn signal, then place your ignition switch in the accessory position while still holding your right turn signal on. On my vehicle the dash lit up as normal, then it went blank and dark, then it came back as normal.

There are 3 components to the TPMS system. 1> Sensors in the tires. 2> Antenna in each wheel well. 3> EVIC (aka Cluster) All three have to be operating on the same frequency. I have not heard of anyone successfully changing a 2013 or earlier model to use the setup from a 2014+ or visa-versa.Fix at home saving lot of money!If this helps you click on subscribe or like .ThanksReplace the complete DEF tank assembly with a factory dodge part. Same with the rear NOx sensor. We cleaned the DEF injector and the area it mounts. We located the power wire for the def tank relay, it was worn through from rubbing on the body. The wire was completely separated and had corrosion. We repaired the wire and tested for …The regular reset requires being able to drive it for at least 20 minutes with the speed never falling under 35mph. Since you are already limited to 5mph, it will not work. At this point it will require a dealer level scan tool to reset and do a forced regeneration, which means it will need to be towed to a shop.Could be older def in the tank setting off the quality sensor. Could be crystallization on the def injector. I'd drain the tank, top off with some fresh and see what happens. Then move on to pulling the def injector and see if it's crusty. For the age of that truck and low miles, I'm banking on aged def causing the light.MB Sprinter DEF Countdown-HELP! Picked up my 2018 used from the dealer 2 weeks ago. They were supposed to clear the DEF warning light and clear the code, but did not and said they would help. It turns out that the DEF is FULL, but the code might be part of a recall from MB where this code keeps popping up. It reads STARTS Remaining 10 (now 9).

Remove notifications silenced.

California. Ram Year. 2017. Engine. i6 Diesel. Hey Guys, I just purchased a 2017 Ram 2500 Laramie with 6300 miles today. I was driving around in the mountains and sitting idle while I was trying to register the Uconnect system when I got a message that said Service Def System See Dealer. This is my first diesel.Debt Ceiling Countdown, Buffett's 13F Filing, Household Debt, Catch This Train?: Market Recon...HD At the time of publication, Guilfoyle was long AAPL, BAC, KO and HD equity. A...Incorrect DEF fluid warning. I purchased and added Walmart DEF Peak BlueDEF to my tank and am now getting the warning "incorrect DEF detected contact dealer". I contacted the dealer and asked about this. He said there are 3 types of DEF, clear, blue and some other color which I can't recall ;-) and he said I needed the clear.Step 1. Download RAM Def 2.6 Xtreme from the link in the Resources section below. Save the file to your computer. This software has been tested for spyware and viruses, so you have nothing to worry about. Best of all, the software is completely free! See the resources section for the link. Video of the Day.Here we come to see a Range Rover with DPF issues.he was told by the Land Rover dealership and other garages there was no way to clean or regenerate his Dies...A quick video to show you how to start your truck if you are stuck with the 'Service DEF System - ENGINE WILL NOT RESTART!' . It's a quick fix, nothing perma...

I purchased the part and replaced it myself, Easy job; it was just the DEF supply line with a built in heater. I asked the dealer ahead of time if they would be able to clear the DEF countdown after I replace the part and they said "sure just bring it back to us". Fast forward to today and they can't get the DEF countdown to clear or even reset.I've seen some scanners that say they can force the DPF purge. I'd like to also be able to reset the "starts left" count. I've had it fail to reset after topping off the DEF. iCarsoft MBII has generic DPF regeneration, but annoying one as they want you to keep high rpm below 50 kph.Jun 17, 2023 · The ambient air temperature sensor on a 2015 Dodge Caravan is located near the front of the engine compartment, just behind the grille and in front of the radiator. It is usually found mounted to one of two metal brackets that protrude from the firewall. The sensor itself looks like a small metal cylinder with electrical wires connected at ... Developer's Description. Free up the unused memory on your computer. RAM Def can defragment your RAM when reaching a warning level, or silently (with command-line parameters). It excels in terms ...Step 2: Once you have opened the RAM def software, click on ‘Options’ located at the top of the window; Step 3: Next, select ‘Reset Countdown’ from the drop-down menu that appears beneath Options; Step 4: You will then see a prompt asking if you are …HELP - Ram 1500 EcoDiesel DEF Mileage Countdown. I got the message "service DEF dealer 200 miles until engine will not restart". The dealer ran the code and gave me the part number. I purchased the part and replaced it myself, Easy job; it was just the DEF supply line with a built in heater.Ram Year. 2013. Engine. Duramax. I've had my 2013 Dodge 3500 Dooley in the shop twice to stop the countdown. I had to cancel a whole weeks worth of work because I haul …Make sure to ohm out the injector too. No connection across pins or 0 ohms for continuity are both not good and will fail the circuit test for the PCM. The i...In this video, I will talk about code p2048 testing and replacing Cummins 6.7 def injector. I received the "Service DEF System See Dealer" message on my inst...

If your 2020 Ram backup camera is not working after replacing the battery, it is likely due to a poor connection or power issue. First, check all of the connections for any signs of corrosion or damage. If there are no visible issues with the connections, then a reset may be needed. To reset the system, disconnect and reconnect both negative ...

Replace the complete DEF tank assembly with a factory dodge part. Same with the rear NOx sensor. We cleaned the DEF injector and the area it mounts. We located the power wire for the def tank relay, it was worn through from rubbing on the body. The wire was completely separated and had corrosion. We repaired the wire and tested for power at the ...Aug 12, 2021 · The following are steps to enable you to reset the dashboard to reset the DEF system on your Dodge automatically. Step 1: Locate the “Reset” button at the corner beneath your car’s dashboard and push in the small knob. Step 2: Fix in your car key and turn on the ignition without starting the car. Step 3: Release the knob/reset button. U02A2 is directed at the DEF quality sensor, which is part of the all-in-one unit inside your DEF tank. The U02A3 is directed at the Particulate Matter Sensor module. That would be the little control unit that the sensor plugs in to. Since you already have the countdown message on the evic, then that would indicate the code as tripped twice.He later went to Florida and bypassed DEF ($900) . My freind is in expediting business . His new 2014 had countdowns 4 times. 4 trips to dealer . Started at 60k and last one at almost 100k . 4 times fixed under the warranty. DEF heater is $1400 and NOX sensors are $1200 , plus labor , some serious money here.Ram def 2500 system limp mode Reset ram dodge service Countdown to "limp mode" 2013 dodge ram 3500 diese. I have a 2011 Ram 1500 SLT V8 the problem with the truck is that I have. Delete ram 4wd owned Dodge ram 1500 questions 2016 ram 2500 def system reflash. limp mode def failure.Welcome to EcoDieselRam.com We see you haven't REGISTERED yet. Your truck knowledge is missing! Registration is FREE, all we need is your birthday and email.(We don't share ANY data with ANYONE) We have tons of knowledge here for your EcoDiesel truck!JBalgo. 136 subscribers. Subscribed. 490. 72K views 5 years ago. A quick video to show you how to start your truck if you are stuck with the 'Service DEF System - ENGINE …2018. Mar 27, 2023. #1. Guys need a little help to decide what to do. I recently got the P20E8 code and now got the message Service DEF System See Dealer. Only matter time until I get the count down. Decided to see what the issue was at the dealer they told me the DEF Pump is bad and charging almost $1800 for it but also mentioned there not in ...If the DEF level drops below 1.5 US gallons (5.5 l) The first warning message it is issued and a warning tone sounds. After the message appears for the first time, and under normal driving conditions, the remaining DEF supply will last approximately 1000 miles (1600km).

Fort wayne newspapers journal gazette.

City x guide inland empire.

8,281. Mar 19, 2021. #10. I just got this wonderful message on my way home im gonna try pulling the battery cables and discharging the capacitors ( touching the pos and neg together) we shall see i know about a weekago i got a CEL for DEF module unable to communicate but i cleared them and it didnt reappear.Average temperature of the last regeneration: 1201.77 °F. Average distance driven during regeneration: 454.84 miles. Average duration of the last regenerations: 753 seconds (12.55 minutes) Total number of started regenerations: 120. Covered distance since last DPF substitution: 54606.1 miles. Covered distance since last regeneration 182.68 miles.Ran good, except the DREADED service DEF message see dealer came up on the EVIC. I called the dealer we bought it from and scheduled an appointment to turn on the heater, update the 8.4 radio and check out the DEF system like it says. Next day wife drove it to work 15 miles and parked it , went to leave and EVIC says 5 MPH in 150 miles.2009-2011 BMW E90 335D. models. This is a unique service that we offer to reset your SCR/DEF countdown reset for your E90 335D BMW. In case of a defective NOX sensor, a faulty SCR catalytic converter, or a clogged fail DEF pump/injector. Your 335D E90 M57 Turbo Diesel BMW will activate either 1000 miles or 200 miles countdown scenario, and will ...Tremor Fiend. He said the def gauge on the dash is what give you the “miles to empty” warning. But if the gauge is not calibrated correctly the tank could be empty or close to it uet the gauge thinks it’s more full than it is and this you don’t get the typical warnings. He said these def tanks hold 2-3 boxes of def.Any way to reset the see dealership countdown. I need a def pump dealer says.. want to delete need to reset to get another 200 miles Diesel Ram Promasters | Any way to reset the see dealership countdownThere is no reset for the DEF fluid, if your seeing the message you will need to make sure you have at least 2.5 gal of DEF and then if you still have the message then there is an issue in which you will need a scantool to retrieve the codes from the Dosing Control Unit(DCU) and the ECM.• DEF Tank Temperature (as reported by the temperature sensor) Greater Than 4°C (39°F). • DEF Tank Temperature (as reported by the Urea Quality Sensor) 4°C (39°F). If the DTC goes stored, and the "Service DEF" message on the EVIC no longer appears, top off the DEF tank to the proper level, and release it back to the customer.So to expand on that disconnecting both batteries shorting the negative to the positive for 30 seconds. Then turning the key to the on position without starting depressing the brake twice and slowly pressing the gas pedal twice within 10 seconds turn the key off then start the vehicle and it worked.What You should do is turn the vehicle to the on position without the engine running. Then You will want to press the accelerator pedal to the floor three times rapidly. After that turn it back on and it should be cleared up. If Your vehicle is still in limp mode and there is a check engine light as well You will need to use an OBD II scan tool.To reset the DEF system on your dodge you can simply follow the steps carefully and you're good to go. 1. With the ignition off, connect the scan tool to the vehicle's diagnostic port. 2. Turn the ignition on, but do not start the engine. 3. Select the " DEF " system from the menu on the scan tool. 4. ….

Calling after returns an id which you can pass to after_cancel to remove the pending job. So, keep track of this id and kill any previous timer before starting a new one. class Add(tk.Frame): def __init__(self, parent, controller): ... # initialize after_id to none. self.after_id = None. ... def time_start(self):Proceed with the reset only after you've confirmed that the problem has been resolved. Park your Dodge Ram 1500 on a level surface and engage the parking brake. Turn off the engine and remove the key from the ignition. Gather the necessary tools, such as an OBD2 scanner, to perform the reset.An event countdown timer using Django in Python can be created by storing the event's datetime in a Django model and using JavaScript to display a live countdown on a web page based on the current time and the event's datetime. Setting Up the Project Folder. To start the project use this command. django-admin startproject core.Your 2018 RAM diesel engine uses a special system to help clean the exhaust emissions. Diesel exhaust fluid (DEF) is injected into the diesel exhaust system to help remove nitrous oxides (NOx) and particulate matter (PM). The DEF tank holds the DEF fluid much as a fuel tank holds fuel for diesels.They probably gong to claim my doing. and to be hones, flexible pipe was our doing and in consequence was the melting of the def injection nozzle. In other words I am to old to star complaining and at the end probably has to pay anyway. Rather find somebody that clears the countdown and star all over again.Q7 MK 1 Discussion - def no start countdown - Tried unsuccessfully to reset def/ad blue no start countdown using vag com from Ross tech. suddenly came on and said 200 miles, due to code 9954. need to be able to reset so I can be able to have time to look into the adblue delivery amount. tried the scr reset but did not...N of 60. 9307 posts · Joined 2013. #3 · Jun 30, 2015. #1) Oil change monitor should not put your truck into limp mode. Somthing else is going on. 2011,4wd LB/CC 2500 H&S Mini MCC by Tomeygun, BD protect 68rfe VB seperator plate enhanced stall triple disk TC, Super B 64.5/80/.91 3rd gen mani & inline EB, Arp 425s, Fass Titanium 95. Spare Mini ...Oct 12, 2021 · My 2020 did the same thing when I used the pump to fill the def, It took it SIX days to finally hit full and yes I was driving while it was near empty and the message kept saying the same thing yours did. I called the dealer but all they said was they had to reset it. I just don't use the pump anymore, I just stick with the 2.5 gal jugs. My 2016 ram 3500 just went into def countdown while on the highway, I am at 122 miles and counting down. I am more than that from a dealer. ... 2019 ram 2500. Service def system see dealer. In middle of california mountains. Def full. Check engine light on. Help. Need to get wife to airport in 3 hours.To reset your NVRAM, you use exactly the same procedure you once used to reset PRAM. Shut down your Mac. Press the power button, and as soon as you power up the laptop, hold down Command-Option-P ... How to reset ram def countdown, 2010 RAM 2500 Crew Laramie, Auto, 3.73, Mini Maxx MCC by Anarchy, 600k+ miles, Garmon 68RFE, S364SXE 2016 RAM 3500 Mega Laramie DRW, AISIN, 3.73, RaceMe Ultra/Warp, S364SXE Sold 2012 RAM 2500 Mega Laramie, Auto, 3.73, Mini Maxx MCC by Anarchy, One gallon of DEF (after the Low DEF message) is not enough to reset the LOW DEF message. If you read your owners manual it suggests that you have to add at least 2 GALLONS of DEF to get the message to clear. Your DEF tank holds about 6.5 gallons, and I think the low DEF message kicks in when you., Jan 16, 2022. #1. Had the message Service Def System see dealer message pop up today while towing my camper home. Message stayed up for about 15-20 minutes then completely went away. Truck is a 2020 2500, 11K miles. I pickup it up Pre-Owned with 6500 miles on it. Since ownership for 1 month I’ve added 5 gallons of Platinum Blue Def and just ..., Subscribed. 680. 147K views 2 years ago. How to reset DEF message on a Dodge Ram (2016) with a Cummins Diesel Engine. The Service DEF System Message or P202e Code is a genuine game..., Locate Memory Modules. Disengage Memory Retaining Clips. Verify Memory Has Properly Disengaged. Remove Memory From the Motherboard. Reinstall Memory in the Motherboard. Verify Memory Retaining Clips Are Reengaged. Close the Computer Case. These steps show how to reseat any kind of desktop memory., Make sure to ohm out the injector too. No connection across pins or 0 ohms for continuity are both not good and will fail the circuit test for the PCM. The i..., However, once repaired and the codes have been cleared, the technician may NUMBER: 25-003-14 GROUP: Emissions Control DATE: September 06, 2014. find that DTC P1C70 will remain set and the EVIC message still displayed. To properly clear out the inducement message and reset the system, the PCM should be flashed, using wiTECH, with the current ..., © 2024 Google LLC. If you’re having emissions problems and a message pops up on your dash saying Perform Service/see dealer amd that you only have 150 miles until the truck wil..., 6.7L Power Stroke Diesel - DEF Countdown - Apologize if there is a thread on this already - I did some searching but couldn't find a lot of information about the countdown. At approximately 6200 miles I received the 800 miles to go message and the countdown went normally as I drove the next 120 or so miles., First, put your key in the ignition and turn it on so the dash lights come on and the chimes start, but don't start the engine. Wait and listen for two quick chimes that will confirm that the PCM has been reset, then shut off the truck and take the key out. Figure 2. With the key in the ignition, turn it to the first notch., The video is a set of instructions for troubleshooting and resolving an "AdBlue®" warning message on a variety of Mercedes-Benz vehicle models. The instructi..., Jan 27, 2021 · 15 posts · Joined 2009. #5 · Feb 4, 2021. I have a 2012 ML350 BlueTec (AdBlue) diesel from California, USA. I am so frustrated with the whole BlueTec Adblue situation - remaining starts countdown, engine warning lights, etc. etc. I recently spent a fortune replacing the heater and the pump. Now they want to replace the whole tank. , So, the easiest drain method is to disconnect the fill line at the tank. I had about one gallon left in the tank of DEF when the truck was sayin "Fill DEF soon" (so needle just touching the red on the gauge ). I put 1 gal of tap water in, drove around, then pumped a gallon or so back out. May drop the pump later, may not., aligned and in place on the open end of the SCR port. Preyed open the. clamp with a flat head screw driver enough that I could get it to loosen. up enough so I could get the DEF housing out. Then removed the clamp the. rest of the way. 4.Disconnected the 12V side of the of the injector harness. This allowed me to., Calendar Generator. Holidays Worldwide. Date Calculator. Duration Between Two Dates. Create a Countdown Timer that counts down in seconds, minutes, hours and days to any date, with time zone support. It also counts up from a past date., In March 2023, Ram released service bulletin ZDF for “Service DEF (Diesel Exhaust Fluid) system see the dealer”. It affects approximately 62,000 vehicles in these categories: 2019-2022 (DJ) Ram 2500 Pickup. (D2) Ram 3500 Pickup., DEF Dosing module. I have a 2013 RAM 3500 with the Cummins. After a about 15 minutes of driving the DEF gauge will go to zero and I get the countdown until derate. If I keep driving the gauge will move to full and the countdown goes away. I have checked and dielectric greased the connector at the DEF pump on the bottom of the tank., There are 3 components to the TPMS system. 1> Sensors in the tires. 2> Antenna in each wheel well. 3> EVIC (aka Cluster) All three have to be operating on the same frequency. I have not heard of anyone successfully changing a 2013 or earlier model to use the setup from a 2014+ or visa-versa., RAM TSB 25-003-17 REV. A Above is the associated TSB with the procedure to reset the 'counter' (google produced numerous associated sites). If you read the entire TSB there …, Low-Empty DEF notifications. When I got the 2014 truck new in Dec of '13, I ran the first tank of DEF way down just to make sure I knew & understood how far I could go by watching the "Low DEF" messages pop up, indicating how far I could go before my speed was limited to "5 mph". Coming back from Ohio with a (new box in the back seat), I ..., TECH SUPPORT: DEF INJECTOR DEF INJECTOR DIAGNOSTICS & REPLACEMENT 2013-UP Ram 6.7L Cummins DEF INJECTOR DIAGNOSTICS AND REPLACEMENT If you own a 2013 or newer Ram, you have seen quite a few articles about the DEF system in the Turbo Diesel Register magazine. The most recent: Issue 115 and Stan Gozzi’s article “DEF, import time import sys def countdown(t): while t > 0: sys.stdout.write('\rDuration : {}s'.format(t)) t -= 1 sys.stdout.flush() time.sleep(1) countdown(10) Import sys and use the sys.stdout.write instead of print and flush() the output before printing the next output., Engine was replaced. The "poor DEF" indication came on in late September 2021 at 76,000 miles (64,000 mi. on the new engine). 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 …, jc1843. 18259 posts · Joined 2008. #11 · Jan 4, 2016. If you have an Android cell phone-- [does not need to be active] you can download Torque Pro- [abt $5] and a buy a Blutooth OBDII port adapter [abt $15]. Then you can read codes and erase them. You can also read injector balance rates, and a ton of other info., We have a 2017 RR Td6 and got the dreaded 'Bad Quality DEF No Engine Restarts in 249 Miles' amber Alert yesterday driving home from our dealer who just "repaired" the car for the exact same problem (our first experience with this DEF quality alert/warning). To rectify the first instance, the dealership mechanic checked the DEF injector (and ..., command=, after() and bind() needs function name without (sometimes it is called callback) countdown() is executed by after() like any other function (but later), and it means: countdown() recreates all local values in every execution so they don't keep values. You have to use self.mins and self.secs to keep values.. inside countdown() you can't use. mins = self.minutes secs = self.seconds, He noted his prior RAM diesel DEF issues caused him to spend in his words an obscene amount of money. He was advised to buy a used '09 RAM diesel, pre DEF truck but he said the prices were unreasonable. He ended up buying an F350 (pulls a 41' 5th wheel rv) and post warranty DEF issues caused an even worse money pit nightmare for him., Select the date and time for your countdown. Tweak the options above until you're happy with the preview. Click "Make Countdown". That's it, now share your countdown or embed it on your website. Free online …, Took truck to dealer this morning. 30 miles left before limp mode and 34 miles to dealer. Started driving and got to 1 mile left before limp mode. Kind of like waiting for Y2K, not sure what would happen, but hit zero and a new message/alarm comes up. "5 MPH Max Speed on Restart, Long Idle or Refuel, Service DEF, See Dealer"., U02A2 is directed at the DEF quality sensor, which is part of the all-in-one unit inside your DEF tank. The U02A3 is directed at the Particulate Matter Sensor module. That would be the little control unit that the sensor plugs in to. Since you already have the countdown message on the evic, then that would indicate the code as tripped twice., There are a couple of good videos on draining the DEF tank. Basically there is a quick disconnect where the filler tube connects to the tank. Pop off the filler tube and insert the suction end of a basic hand suction pump into the tank until you feel it bottom. Then pump out the contents into a container., The first message was 'Service DEF system see dealer.'. Probably ten minutes later the '125 miles until truck will be limited to 5MPH' started. They would occasionally pop up with a lessor amount of miles remaining. Popping up around every 15-30 minutes. 2016 3500 SRW Laramie, Aisin., I have a little saga about this issue while traveling and the hoops I had to jump through to get home, turns out perhaps it was all unnecessary? Or is my tru...