Porsche Cayenne 2014–2018 — technical service bulletin
Bulletin No. 181-21 · NHTSA communication 10219369 · issued Aug 15, 2022
Technical service bulletin
communication type
Engine and Engine Cooling
component
2014–2018
model years
10
vehicle entries
Official summary
Technical information for AMC2 - reprograming DME and transmission 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.