Porsche Panamera 2011–2013 — technical service bulletin
Bulletin 122-A4U8J-12 · NHTSA communication 10168759 · issued Nov 21, 2019
Technical service bulletin
communication type
Engine and Engine Cooling
component
2011–2013
model years
6
vehicle entries
Official summary
Porsche intranet posting outlining an extended warranty for the vacuum pump and carbon canister on affected vehicles.
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.