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RecallGazette

Vehicle problems, recalls & safety intelligence

Porsche Cayenne 2019–2023technical service bulletin

Bulletin No. 2121.1 · NHTSA communication 10249827 · issued Jan 2, 2024

Technical service bulletin
communication type
Electrical System
component
2019–2023
model years
32
vehicle entries

Official summary

Instructions on advanced technical information for ACC dynamic calibration fault

What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.