Porsche Macan 2020–2021 — technical service bulletin
Bulletin No. 2100 · NHTSA communication 10189697 · issued Mar 5, 2021
Technical service bulletin
communication type
Fuel System, Gasoline
component
2020–2021
model years
2
vehicle entries
Official summary
Advanced technical information for a Macan GTS Check engine warning for lean fuel mixture errors.
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.