Volkswagen Atlas 2018–2020 — technical service bulletin
Bulletin TT 01 19 01_4 · NHTSA communication 10178832 · issued Aug 21, 2020
Technical service bulletin
communication type
Engine and Engine Cooling
component
2018–2020
model years
4
vehicle entries
Official summary
Coolant refill faults and addressing
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.