Porsche Macan 2019–2021 — technical service bulletin
Bulletin No. 176-20 · NHTSA communication 10185101 · issued Dec 22, 2020
Technical service bulletin
communication type
Equipment
component
2019–2021
model years
3
vehicle entries
Official summary
Porsche service campaign instructions for Workshop campaign WLL1 - Re-Programming DME Control Unit.
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.