Volkswagen Passat 2012–2019 — technical service bulletin
Bulletin customer letter · NHTSA communication 10154069 · issued Dec 5, 2018
Technical service bulletin
communication type
Engine and Engine Cooling
component
2012–2019
model years
4
vehicle entries
Official summary
23Z3 pre-notification_customer
Vehicles covered
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.