Volkswagen Atlas 2018 — technical service bulletin
Bulletin Parts_26M426N6 · NHTSA communication 10187571 · issued Feb 19, 2021
Technical service bulletin
communication type
Engine and Engine Cooling
component
2018
model years
1
vehicle entries
Official summary
Atlas Catalyst Campaign (26M4 / 26N6): 3QF-254-500-KX
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.