My dealer-maintained, IMMACULATE 2012 TDI Lux just went in for a check engine light and the diagnosis was the AdBlue heater has gone bad. I have 51,000 all-highway miles and was surprised to learn (as are many after reading on these forums) that this part is not covered under the powertrain or...

Having just endured a total cluster mess with the local dealership and VW USA over what is and what isn't covered under the EPA mandated 8 year 80,000 mile emissions warranty (they wanted $800 to replace one of the NOX sensors at 41,000 miles) - here is the handy Q&A PDF from the EPA website -...