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July 8, 2025 Service bulletin

Instructions on advanced technical information for the Cayenne

Porsche technical service bulletin No. 2121.3 for 2019-2025 Porsche Cayenne, 2019-2024 Porsche Cayenne S and 2019-2020, 2023 Porsche Cayenne Turbo and others.

Bulletin number
No. 2121.3
Component
Forward collision avoidance: adaptive cruise control
Summary
Instructions on advanced technical information for the Cayenne - ACC Dynamic Calibration Fault C110300

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