Porsche Macan 2019–2020 — technical service bulletin
Bulletin No. 175-20 · NHTSA communication 10231337 · issued Jan 10, 2023
Technical service bulletin
communication type
Engine and Engine Cooling
component
2019–2020
model years
2
vehicle entries
Official summary
Technical information for WLL0 - reprogramming DDME 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.