Volkswagen Atlas 2018 — technical service bulletin
Bulletin V0121022060969_4 · NHTSA communication 10248095 · issued Dec 19, 2023
Technical service bulletin
communication type
Engine and Engine Cooling
component
2018
model years
1
vehicle entries
Official summary
Update programming of Engine motor control module -623- Improvements made to ECM software for better combustion stability during catalyst heating and engine warmup.
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.