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July 29, 2026 Service bulletin

ACC Dynamic Calibration Fault C110300

Porsche technical service bulletin 2121.4 for 2019-2025 Porsche Cayenne.

Bulletin number
2121.4
Component
Forward collision avoidance: adaptive cruise control
Summary
ACC Dynamic Calibration Fault C110300

Owners of these vehicles have filed 24 complaints in the driver assistance category.

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