Volkswagen Jetta 2019 — technical service bulletin
Bulletin V0121042061991-2 · NHTSA communication 10188555 · issued Mar 1, 2021
Technical service bulletin
communication type
Engine and Engine Cooling
component
2019
model years
1
vehicle entries
Official summary
Updated to include a symptom code to the DTC table.
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.