Porsche 911 2014–2021 — technical service bulletin

Bulletin WMM7 · NHTSA communication 10217861 · issued Nov 23, 2021

Technical service bulletin

communication type

Electrical System

component

2014–2021

model years

vehicle entries

Official summary

Porsche intranet posting with information on Workshop Campaign WMM7 - replacing VTS control unit

Vehicles covered

2014 Porsche 911
2015 Porsche 911
2016 Porsche 911
2017 Porsche 911
2018 Porsche 911
2019 Porsche 911
2020 Porsche 911
2021 Porsche 911
2015 Porsche 918
2014 Porsche Boxster
2015 Porsche Boxster
2016 Porsche Boxster
2017 Porsche Boxster
2020 Porsche Boxster
2021 Porsche Boxster
2014 Porsche Cayenne
2015 Porsche Cayenne
2016 Porsche Cayenne
2017 Porsche Cayenne
2018 Porsche Cayenne
2019 Porsche Cayenne
2020 Porsche Cayenne
2021 Porsche Cayenne
2014 Porsche Cayman
2015 Porsche Cayman
2016 Porsche Cayman
2020 Porsche Cayman
2021 Porsche Cayman
2014 Porsche Macan
2015 Porsche Macan
2016 Porsche Macan
2017 Porsche Macan
2018 Porsche Macan
2019 Porsche Macan
2020 Porsche Macan
2021 Porsche Macan
2014 Porsche Panamera
2015 Porsche Panamera
2016 Porsche Panamera
2017 Porsche Panamera
2018 Porsche Panamera
2019 Porsche Panamera
2020 Porsche Panamera
2021 Porsche Panamera

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.