Volkswagen Passat 2012–2014 — technical service bulletin
Bulletin TT 15 20 02 · NHTSA communication 10174054 · issued Apr 17, 2020
Technical service bulletin
communication type
Engine and Engine Cooling
component
2012–2014
model years
3
vehicle entries
Official summary
Oil leaking at cam seal.
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.