How to reset ram def countdown

def countdown(): global i l1.config(text=i) i -= 1 rep = root.after(1000, countdown) if i < 0: # Use i <= 0 if you don't want to include 0 root.after_cancel(rep) You can further improve your code by removing the global and passing the current reduced time as parameter to the function, like:

How to reset ram def countdown. Set the hour, minute, and second for the online countdown timer, and start it. Alternatively, you can set the date and time to count days, hours, minutes, and seconds till (or from) the event. The timer triggered alert will appear, and the pre-selected sound will be played at the set time. When setting the timer, you can click the "Test" button ...

The problem is you are filling it too soon. Let it run down more and then it will reset better. As it stands now it may go away after a day or so. In the information screen it should show full or 1/2. That is about it. Normally it does show full or 1/2. As it stands I'll be limited to 80 kms/hr in 45kms.

Cleaned the def injector, cleared the fault codes ,"reset the scr level" then entered unlock scr.* no luck. pulled fuse for the adblue, then did above and so far no light after 100 plus miles. rechecked the amount of adblue using the 10 minute vagcom test and got the 30 ml. also looked at the value (forgot exact term) for adblue efficency and ...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 ...Junior Member. Hi guys, new to this form but trying to get some information about a problem I have. I have a 2018 Ram Ecodiesel Laramie with 103k on the dash. I have had a few check engine lights on in the past. The one I got the Most was the P2080 I ended replacing all 4 sensors that have i attached PDF to the form. Then I got the code P20E8.1. Switching the DEF supply line with the DEF return to tank or DEF dosing line ( on new products or products where a component change or inspection was done recently ). 2. Blockage of the DEF supply to the pump ( DEF tank vent, DEF tank filter, DEF pump inlet screen ) mostly caused by debri or urea crystals.Download RAM Def. Software Description. RAM Def is a comprehensive performance monitoring and optimization tool that allows users to maximize their system's performance. This software is designed to help users identify and resolve performance issues quickly and accurately by providing deep insight into system memory usage and utilization.

566 posts · Joined 2013. #2 · Mar 31, 2018. For a DEF quality code to clear, it has to run and successfully pass the Reluctance Fluid Quality Test. This is a running stationary test done with the factory service tool. It will not clear without that test completing. If you live in Washington, your truck is not subject to emissions testing due ...The first solution you can try to reset the ' service DEF system, see dealer ' warning message is disconnecting the negative battery terminal for 5-10 minutes. It will clear the ECU 's memory, including the stored codes and warning messages, and restore it to default settings. That said, if this message was triggered due to a faulty DEF ...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. I'm More Productive Working on a Smaller Screen, Here's Why. Yes, I wrote this from my phone. We explain technology. Learn more with our articles, reviews, tips, and the best answers to your most pressing tech questions.Disconnect the negative terminal of the battery: To reset a Service Def system, you must first disconnect the negative terminal of your vehicle's battery by using a wrench or pliers - never touch both terminals at once with bare hands! Once disconnected, wait five minutes before reconnecting it again. Reconnect the negative terminal: After ...

Follow the steps below to reset your dashboard. Push the reset button. It is the small knob on the bottom corner of the dashboard. Insert your key and ignite it without starting the vehicle. Release the reset button to allow cluster reset. You should get a done message when the cluster reset is completed.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.A simple scan tool will not be able to reset the countdown message, only clear DTC's. Takes a dealer level diagnostic tool which costs thousands. Not sure if the alfaOBD software can do it either. As has been stated before, your countdown message may very well go away by itself after a few restarts and driving.#2013 RAM 2500 HOW TO RESET SERVICE DEF SYSTEM DRIVERS# As a result, drivers could have an initial impression that the vehicle consumes an excessive amount of DEF. Fully depress the accelerator pedal slowly two times within 10 seconds. Press and release the brake pedal two times. The dealer reset the computer, he says, and the light went off.Diesel Exhaust Fluid (DEF) Warning Messages. Your vehicle will begin displaying warning messages when the DEF level reaches a driving range of approximately 200 miles (322 km). If the following warning message sequence. is ignored, your vehicle may be limited to a maximum speed of 5 MPH (8 km/H) unless DEF is added.

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Restart your computer. The simplest way to completely clear your RAM and start fresh is to restart your Windows PC or fully shut down your Mac and then turn it back on. By fully …To turn the light off, you are supposed to add a minimum of 2 gallons of DEF fluid. Then, it may take a couple of restart cycles to fully clear the light and have it shut off. When the light stays on, it is also possible that the DEF pump module has failed or a NOx sensor failed on you.Ok, normally if it goes into limp in mode, that means a fault has been detected by the engine control module, either engine, transmission of emissions systems including the def fluid system. You can reset it by disconnecting the negative battery cable on the primary battery (if yours has 2 batteries) for 10 minutes and then reconnecting.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 ...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 ...In the new box, on the Advanced tab, click the Settings button under Performance. This will open a new window; switch to the Advanced tab once again and click the Change button in the Virtual memory section. Now you'll see the paging file size for your main drive.

Tank heaters do not set the vehicle into countdown mode unless the adblue fluid itself was frozen. at that point you would need to reset the long term adaptation first, which does require scn coding on the 2013 models. following the test for the p16ce00 and re establishing a fault free link between the SCR and CDI module should restore the ...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.Took in for service Friday and they filled Def. Still hasn't reset and miles counting down. Afraid of the common sensor issue. Hi all, I got the 1000 mile low DEF warning the other day. Went to a truck stop with a DEF pump and put 2 gallons in. 3 drive cycles since and I am….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.With this, along with validated user input, we can create a simple countdown timer in Python. The first thing to do is import the time module to use the sleep() function. import time. Then declare a function to act as the countdown timer. Let's call this function countdown(). The function will accept a single parameter: the number of seconds ...Heres the video. Like I said, worked for me most of the time but I can't guarantee it. If you have like a stuck turbo, it wont fix that. Wont fix a mechanic ...Seldom does a dish speak to both a global health crisis and a nation's rising soft power. Rare is the dish that speaks to both a global public health crisis and a nation’s rising s...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.The "Distance-to-empty" message for the DEF comes on @ 66%, so if you add fluid at that time, you sort of put the computer in limbo, and over time it results in problems with DTE calculations that the computer "Learns". Your best bet is to run the def to a comfortably low level (33%), then add fluid.Truck Camper Adventure Switches to BlueDEF Platinum. November 13, 2020. Unfortunately, it happened. Our Ram 3500 Cummins 6.7L truck went into the dreaded "limp mode" on a recent trip here in Arizona. The alarm on the dashboard read, "5 mph Max Speed in 100 mi, Service DEF System, See Dealer.". If this has never happened to you, it sucks.RAM > 2017 > 2500 > 6.7L L6 DIESEL Turbocharged > Exhaust & Emission > Diesel Exhaust Fluid (DEF) Pump Price CARDONE 5D3000 {Click Info Button for Alternate/OEM Part Numbers} Remanufactured - Return and Rebuild Service Only - You send your part to be rebuilt and returned to you. We'll email shipping instructions after …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.

Most DEF issues are covered to 50k, but have heard of some dealers covering them to the 80k federal emissions warranty. 2022 3500 Laramie DRW Mega, Delmonico Red, Night Edition, HO/Aisin 3.73. 2014 2500 Laramie Mega, Black Appearance Group, CTD, 3.42. 2000 Ford Excursion 4x4- 7.3 PSD 3.73 bone stock 249k and counting.

These 5 ways to reset vintage jewelry will help you liven up those old classics. Read about 5 ways to reset vintage jewelry. Advertisement If your jewelry box is full of vintage pi...The 3.0L EcoDiesel Dodge Ram 1500 is a light duty truck that was introduced for the 2014 model year. The truck is available in both two-wheel drive and four-wheel drive configurations. The engine is a turbocharged 3.0 liter diesel V6 that makes 240 horsepower and 420 lb-ft of torque. The engine is mated to an eight-speed automatic transmission.don forget to follow captain Manny in Facebook, here:https://www.facebook.com/Captain-Manny-in-youtube-723574734643209/I Delete My Ram 2014 3500 dually with ...00:00 Intro00:09 Like or no Like00:20 How to Reset RAM on Iphone 14 Pro Max 2022SUBSCRIBE NOW - https://bit.ly/3sBBiHNIf you like this video please give it t...Either will trigger a "permanent" Def limp mode that won't override. The only way out of that one is to flash the ECM. I figured that out over about an hour at a gas station in middle of nowhere NM. Luckily I have a previous emissions intact tune with an mm3 still installed. Reflashed the ECM and it reset the system.Want to learn how to reset a circuit breaker? It's easy to get your devices back up and running after a circuit breaker trips. Advertisement Most homes use circuit breakers that tu...522 posts · Joined 2015. #2 · Feb 5, 2020. EGR can be turned off without removal. DPF and DEF can't, least and not turned off and have your truck run for long.... 2015 Ram 2500 Crew Cab - Double R Diesel Weight Loss Tune -AlphaRex / Morimoto / Hikari Ultra Headlights -Fox ATS Steering Damper -Thuren Track Bar -Apex Chassis Tie Rod and Drag ...Tank heaters do not set the vehicle into countdown mode unless the adblue fluid itself was frozen. at that point you would need to reset the long term adaptation first, which does require scn coding on the 2013 models. following the test for the p16ce00 and re establishing a fault free link between the SCR and CDI module should restore the ...

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2015 Ram eco diesel service light: Engine will not restart 150 mile, Def System see dealer. took to dealer, fixed 3 recalls and PCU updates, did not clear message. Dealer says they reccomend replaceing intake but cannot guerentee will clear message. Estimate was $5600 from deal.It is relatively simple to repair the level sensor on the passive def tank. There is a thread in the X5 E70 forum, posted by user Pixlfix. First though, just put about 4 or 5 liters of DEF into the passive tank. That should get you to the point where the engine control module logic will reset the SES or you can clear it with ISTA.The OP's issue most likely has nothing to do with being "low" on DEF. There's an issue with the system that requires a trip to the dealer. I never add any DEF until I get the warning message and at that point I add 2.5 gallons and wait until I see the next warning.To reset RAM on Windows 10 and enhance your system's speed and performance, follow these steps: 1. **Press the Ctrl + Shift + Esc** keys simultaneously on your keyboard to open the Task Manager. 2. In the Task Manager window, click on the **"Performance"** tab. 3. Under the Performance tab, select **"Memory"** from the left-hand menu.There is most likely a better way to go about this but in the end I resolved this by setting my_timer as a global variable and then starting the function by using a thread : import time. import threading. def countdown(): global my_timer. my_timer = 10. while my_timer > 0: time.sleep(5) my_timer -= 1.154K 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!This DEF message could mean many things like DEF heater issue, Level sensor circuit, DEF injector, or DEF pump pressure. The first thing I would do is to add some DEF and drive it. If the countdown continues, get the truck to a dealer or shop that has a WiTech scan tool so some DEF system tests can be performed. Then the problem …This DEF message could mean many things like DEF heater issue, Level sensor circuit, DEF injector, or DEF pump pressure. The first thing I would do is to add some DEF and drive it. If the countdown continues, get the truck to a dealer or shop that has a WiTech scan tool so some DEF system tests can be performed. Then the problem can be pinpointed. ….

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...Please start by powering down your system and switching the power supply to O or OFF. Carefully remove the side panel on your system to allow access to the motherboard and RAM. You can then press down the tabs on each end of the ram slots (some motherboards only have a tab on the top end) to release the ram stick.Hello. I have a 2015 ram 5500 that is giving me so much trouble with the emissions stuff. 3 days ago the 150 miles till 5mph max speed service def came up on my screen. I took off the def injector and cleaned it and still had the same issue. I ordered a new injector and had the same result. Started troubleshooting and had a few trouble codes ...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.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 ... Sometimes it can take several miles of driving and/or several restarts for the system to reset. There was a reset programming problem on the 2011's, but that should not be the issue with your 2013. 2023 LZO Sierra 4x4 crew 6.5 box. Sold 2021 LM2 Sierra 4x4 crew 6.5 box, 2018 L5P Sierra 4x4 SB, 2011 LML Sierra 4x4 CCSB, 2010 LMM, 2004.5 …There are data resets that can be done. A system tamper service bay test might clear it. Do a manual regeneration clean it up. Then it has to pass a DEF fluid quality test. If you can keep driving it, the ECM will run the tests and either clear the message or turn the light back on.DEF Limp Mode! Well my truck is stuck in def limp mode and it wants me to take it to the dealer. I pulled apart my def tank, cleaned everything, and put it back together. I cleared the codes and the check engine light went away. It's still stuck in limp mode and will not drive over 5 mph. Very frustrating!Most DEF issues are covered to 50k, but have heard of some dealers covering them to the 80k federal emissions warranty. 2022 3500 Laramie DRW Mega, Delmonico Red, Night Edition, HO/Aisin 3.73. 2014 2500 Laramie Mega, Black Appearance Group, CTD, 3.42. 2000 Ford Excursion 4x4- 7.3 PSD 3.73 bone stock 249k and counting. How to reset ram def countdown, The Dodge Cummins Throttle Position Sensor Reset is a procedure that must be done when replacing the throttle position sensor (TPS). This reset clears the TPS memory, allowing it to properly read engine performance and speed. The reset should be done by connecting a scan tool to the diagnostic port of your vehicle and selecting “Throttle ..., 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., I have a totally stock 2017 2500 that has about 44k miles. I was interested in doing the EGRless tune with the MM3 from DRD, but they said that with high mileage you run the risk of clogging up the SCR. At the heart of what I want to do is basically clean up in the air my truck breaths and be able to bypass any sort of limp mode., 2015. Engine. 6.7 CTD. bartbill said: Drove from Sand Point Idaho to Brigham City, Utah and the needle on the DEF gauge never moved (2015 Ram, 6.7) So I stopped in the Dodge dealer and talked to the service department about it. He was pretty familiar with issues about the computer throwing codes about DEF problems - 2 in the last week., Summary. Diagnostic trouble code (DTC) P203F stands for “Reductant Level Too Low.”. This code is triggered when the PCM detects that the DEF level is too low. The P203F code can be caused by a bad reductant level sensor, low DEF levels, damaged wiring or connections, incorrect DEF fluid in the tank, or a PCM issue., 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 ..., Vehicle manufacturers all handle this in slightly different ways. Some employ the use of a gauge, while some have a simple warning light. Generally speaking, however, when the DEF tank level drops below 10 percent, a warning of some kind will be displayed on the dash, indicating it’s time to fill up., 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., © 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..., Phillippeterson. First oil change at 7,000 miles on a 2017 6.7 had dealer fill up DEF tank which was showing almost empty, showed full on gauge until 2 days later now it shows almost empty. Topped off DEF tank and it was full. Get warning that DEF tank will run out in less than 400 miles., 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 …, We researched the steps and simplified them for you. To reset the DEF light, follow these steps: Turn the ignition on. Press and hold the "0" button until you hear a beep sound. Press the "M" button until the screen displays "Reset 51." Press and hold the "0" button until the screen says that the reset is done. Turn the key on., 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, The def tank utilizes electronic resistance sensor. 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. Eventually the crystal melts and all of a sudden you see a significant drop in the bars. Best is to track the mileage and add accordingly., S. Schneider Discussion starter. 6 posts · Joined 2014. #1 · Dec 18, 2014. Driving home yesterday Service Def comes on and says 280km till restricted to 8km/h and threw code P2048 reductant injector Bank 1 low. I've had that code come up a few times now but never the service Def., Download RAM Def. Software Description. RAM Def is a comprehensive performance monitoring and optimization tool that allows users to maximize their system's performance. This software is designed to help users identify and resolve performance issues quickly and accurately by providing deep insight into system memory usage and utilization., Hi Guys, just got my first diesel 3 weeks ago. And I think my truck is using alot of DEF. I've done ~1400 km (~870 miles) so far in my new truck. So far ive used about 6.5 - 7 litres of DEF (1.7 to 1.8 Gallons) for fuel economy / consumption - Im averaging about 13 Litres per 100km (21-22 MPG), Oct 25, 2022 · I have an Edge Evolution Diesel CTS2, usually it shows 66%, truck shows 24%. 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. Cleared the codes, can't get the message to go away, permanently. , Jul 4, 2017 ... ... countdown to LIMP mode. After $330 spent at ... clear package as well. I highly recommend ... RAM Cummins - Why I'm switching to Blue Def Platinum., 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 …, 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., The problem is you are filling it too soon. Let it run down more and then it will reset better. As it stands now it may go away after a day or so. In the information screen it should show full or 1/2. That is about it. Normally it does show full or 1/2. As it stands I'll be limited to 80 kms/hr in 45kms., The Polestar 4 comes with a bold design choice to completely remove the rear-view window. Drivers will rely on a camera alone for reversing. Polestar introduced the Polestar 4, the..., Create a Day Countdown in Excel Using the NOW Function. The NOW function returns the current date and time in a calculation. We can also use this function along with the ROUNDUP function to display a day countdown of the Summer Olympics 2024. In cell B4, input the following formula and press Enter. =ROUNDUP(C3-NOW(),0), 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, 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., DEF countdown display stuck. I have a 2016.5 Model Year Disco Sport 150 SE Tech, it has the old style DEF counter that is supposed to show how many miles are left before the DEF system needs topping up/refilling. I purchased this vehicle new and I have complained about the ridiculous mileages suggested by this counter (12900 miles) and also the ..., 2015 Ram eco diesel service light: Engine will not restart 150 mile, Def System see dealer. took to dealer, fixed 3 recalls and PCU updates, did not clear message. Dealer says they reccomend replaceing intake but cannot guerentee will clear message. Estimate was $5600 from deal., Your question is still a little vague about precisely what you want to happen when each of the three buttons is clicked, so I had to guess. To support the ability to do these things required adding a couple more instance attributes to keep track of the state of the application—namely self._paused and self._starttime.These can be checked and …, Tank heaters do not set the vehicle into countdown mode unless the adblue fluid itself was frozen. at that point you would need to reset the long term adaptation first, which does require scn coding on the 2013 models. following the test for the p16ce00 and re establishing a fault free link between the SCR and CDI module should restore the ..., 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., Did you know your diesel exhaust fluid needs to be monitored on a regular basis, just like your oil or windshield fluid? Check out our handy How-To video to ..., 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.