Volkswagen Passat 2012–2014 — technical service bulletin
Bulletin 23N5 · NHTSA communication 10240595 · issued Dec 16, 2014
Technical service bulletin
communication type
Fuel System, Diesel
component
2012–2014
model years
3
vehicle entries
Official summary
Some vehicles may experience exhaust turbocharger failure (under extreme cold weather conditions) in a brief time period after initial vehicle start up.
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.