Porsche Panamera 2011–2016 — technical service bulletin
Bulletin No. 26-21 · NHTSA communication 10209788 · issued Mar 7, 2022
Technical service bulletin
communication type
Electrical System
component
2011–2016
model years
6
vehicle entries
Official summary
Installation and conversion instructions for the Panamera. PCM3.1 - Navigation Update
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.