Porsche Cayenne 2014–2017 — technical service bulletin
Bulletin 122-F3H8X-11 · NHTSA communication 10125199 · issued Oct 12, 2017
Technical service bulletin
communication type
Equipment
component
2014–2017
model years
8
vehicle entries
Official summary
Subject: Air-conditioning system function Situation: Customers complain that the air conditioning does not function at times or after starting it. The air conditioning does not turn on or is turned off if the state of charge of the high-voltage battery is very low and also if the battery is not sufficiently charged while driving.
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.