Porsche 911 2019–2021 — technical service bulletin

Bulletin PIWIS2101m · NHTSA communication 10189834 · issued Mar 15, 2021

Technical service bulletin

communication type

Electrical System

component

2019–2021

model years

vehicle entries

Official summary

Information for new Porsche PIWIS tester update #40.000.035

Vehicles covered

2019 Porsche 911
2020 Porsche 911
2021 Porsche 911
2020 Porsche Boxster
2021 Porsche Boxster
2019 Porsche Cayenne
2020 Porsche Cayenne
2021 Porsche Cayenne
2020 Porsche Cayman
2021 Porsche Cayman
2019 Porsche Macan
2020 Porsche Macan
2021 Porsche Macan
2019 Porsche Panamera
2020 Porsche Panamera
2021 Porsche Panamera
2020 Porsche Taycan
2021 Porsche Taycan

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.