Howto reset your Volkswagen DPF (Diesel Particulate Filter) light. Toperform an adblue reset in a 2014 vw passat tdi, turn the ignition to on without starting the engine. Push down on the gas pedal and keep it down until you see the glow plug Irecommend reading the 3.0 TDI self study guide (which covers AdBlue's function in detail) to familiarize yourself with the system. Tiguan184 Diesel, problem first surfaced 15 months ago, get a warning to fill , the warning didn't go away and got down to 50 miles before engine will not start, still in warranty at the time but Lastweek, i've an check engine on it. I've scanned, and obtained P20E8, whit seem to be related to antipollution system. (Reductan, low pressure) I've cleared it. Appeared again after fews kilometers. After 30 minutes of running whit the check engine on, a message appear in the instrument cluster: No engine restart in 1000 km. Defect: Adblue. AdBluereset. Need help on Independance day. 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! r/Volkswagen • My dads 2017 Passat. The turbo went out after 325k miles. Rather than putting a new turbo on the original engine, we howto reset adblue emissions nox faults and mileage countdown or allow engine to start after miles run out using a Launch Diagnostic Scan Adblueis a urea water mixture and is non-toxic, However, it is corosive to some metals. I have also read that typical usage is 2-6% of fuel burnt. Hope this helps a bit. 2010 2.0 TDI 4 Motion 140HP Trend & Fun, slate grey. 6 speed manual gear box. 215/65/16" Pirelli all-weather tyres. fn7lcen.