Adblue 200 mi warning light came on 2014 Passat Tdi. Also the check engine light threw a p204f code. It was 30 degrees and about 15 overnight. Filled 2.5 gallons of DEF could their really be a prob or … read more Mercedes Adblue Reset. Turn ignition on once. Press and hold the gas pedal. Keep the gas pedal pressed until the glow plug comes back on. Wait for the glow plug light to stop blinking. Then turn off the ignition. Wait 10 seconds with the ignition off. Turn the ignition back on. Press the gas pedal two times. Driving home on interstate yesterday evening at -1F my AdBlue warning came on with the "fill in 600 miles" warning. About 5 miles later, it was joined by the "wrench" warning light and a CEL. I thought to myself , well.that's a bit unexpected. And checked my records when I got home and confirmed I had filled it about 5000 miles ago. SDOM001. Hello to all and thank you in advance for your time. MY yellow adblue and wrench symbol has come on and the scan shows these issues. i only have 20 or so miles until restart. Im new to both VCDS and new def type diesels. the research i've done says that the supply from the tank to the engine has a leak, and a nox sensor has gone bad. Press the blue forward. arrow on the bottom right again. 5) Now double click on status of basic settings and Operating instructions both will move to the selection box on the right. Press the blue forward. arrow again. 6) Verify engine is running, no pedals are pressed, vehicle in park, emergency brake is pulled, all doors and hood must be closed. My 2014 passat won't start because it says I need adblue. I refilled it before a weekend trip and now I'm stuck 30 miles from home and no dealerships are open! I got the warning about a week ago and filled it when it was very low but I thought it would reset after driving it 30 miles and leaving the car a few days. Hello, my name is***** am happy to assist you today and thank you for using JustAnswer. I am an Automotive Technician with over 25 years experience. I am very sorry to hear about your issue with your Volkswagen. To do an adblue reset on the 2014 VW Passat You will first want to get into the car and shut the doors. 16,983 satisfied customers. Volkswagen Toureg TDI: I had a yellow engine light come my. I had a yellow engine light come my 2009 toureg tdi. Also warning light came on regarding adblue, filled the container , warniing light does not go … read more. 5s6VF.