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March 7, 2022 Service bulletin

Installation and conversion instructions for the Cayenne

Porsche technical service bulletin No. 25-21 for 2011-2018 Porsche Cayenne.

Bulletin number
No. 25-21
Component
Electrical system
Summary
Installation and conversion instructions for the Cayenne. PCM3.1 - Navigation Update

Owners of these vehicles have filed 30 complaints in the electrical category.

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