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June 6, 2018 Service bulletin

Subject: Control unit for rear-end electronics Symptom: The alarm system is triggered spontaneously (for...

Porsche technical service bulletin 122-B9L7S-07 for 2017-2018 Porsche Cayenne and 2017-2018 Porsche Panamera.

Bulletin number
122-B9L7S-07
Component
Electrical system
Summary
Subject: Control unit for rear-end electronics Symptom: The alarm system is triggered spontaneously (for no apparent reason). Cause: The mobile phone antenna (GSM) signals can be picked up by the interior surveillance system and result in spontaneous triggering of the alarm system.

Owners of these vehicles have filed 15 complaints in the electrical category.

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