Volkswagen Atlas 2018–2021 — technical service bulletin
Bulletin TT 69 21 01 · NHTSA communication 10202838 · issued Oct 29, 2021
Technical service bulletin
communication type
Electrical System
component
2018–2021
model years
6
vehicle entries
Official summary
Diagnosis assistance for DTC B1225F1
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.