Porsche Macan 2019–2020 — technical service bulletin
Bulletin No. 55-20 · NHTSA communication 10186486 · issued Jan 26, 2021
Technical service bulletin
communication type
Electrical System
component
2019–2020
model years
2
vehicle entries
Official summary
Instructions for re programming the DME control unit in the event that the vehicle is running rough near idle RPM.
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.