Volkswagen Jetta 2018–2019 — technical service bulletin
Bulletin Circular 19O3 · NHTSA communication 10166775 · issued Oct 15, 2019
Technical service bulletin
communication type
Unknown OR Other
component
2018–2019
model years
2
vehicle entries
Official summary
The coolant bottle may leak coolant into the electrical connector for the coolant level sensor.
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.