2015 VOLKSWAGEN PASSAT 2.0L Diesel Heater Motor/Assembly. PASSAT 2015. PASSAT 2015 -2024 B8 3G. VOLKSWAGEN PASSAT Diesel 242626 Miles. 2015 Unknown Unknown Unknown. Engines: This warranty is limited to defects of the engine block, heads, valves, rockers, lifters, pistons, crank and cam shafts and other internal lubricated parts.