Volkswagen Jetta 2020–2021 — technical service bulletin
Bulletin V0122032066602_1 · NHTSA communication 10209417 · issued Mar 29, 2022
Technical service bulletin
communication type
Engine and Engine Cooling
component
2020–2021
model years
2
vehicle entries
Official summary
Update Programming ECM for low or no heat in certain cold weather conditions.
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.