Volkswagen Atlas 2018–2021 — technical service bulletin
Bulletin V0121052061777_1 · NHTSA communication 10186976 · issued Feb 10, 2021
Technical service bulletin
communication type
Engine and Engine Cooling
component
2018–2021
model years
6
vehicle entries
Official summary
Current Engine/Motor Control Module - J623- software causing erroneous fault(s).
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.