Porsche Macan 2014–2021 — technical service bulletin
Bulletin No. D544 · NHTSA communication 10186477 · issued Jan 26, 2021
Technical service bulletin
communication type
Engine and Engine Cooling
component
2014–2021
model years
8
vehicle entries
Official summary
Parts withdrawal information for a Macan muffler.
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.