Volkswagen Jetta 2017 — technical service bulletin
Bulletin TT 01 18 11 · NHTSA communication 10149849 · issued Aug 3, 2018
Technical service bulletin
communication type
Engine and Engine Cooling
component
2017
model years
1
vehicle entries
Official summary
Diagnostic checks not addressed by the test plan
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.