Porsche TSB #122-B9L7S-07
2018 Porsche Cayenne
Affected Component: EQUIPMENT ADAPTIVE/MOBILITY
- 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.