Sirius XM Radio recently sent out refresh signal and it has caused major functional issues with the PCM (Center Touchscreen) affecting virtually all Porsche vehicles. If your Porsche PCM has started malfunctioning the Sirius XM update is likely the issue.
Service does not have an official fix for it from Porsche yet however you should be able to reboot your PCM and regain proper function by following the steps outlined in one of these videos:
- All Models Years 2011-2016 click here
- 2017-2019 Boxster, Cayman, and 911; 2017-2018 Cayenne and Macan PCM Reboot
- 2019 and up Cayenne, Macan, 2020 911 PCM Reboot