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January 28, 2026 Service bulletin

Technical information for Little or No Cooling Power from the Air-Conditioning System: Checking...

Porsche technical service bulletin No. 174-23 for 2019-2026 Porsche Cayenne, 2019-2026 Porsche Panamera and 2019-2024 Porsche Cayenne S and others.

Bulletin number
No. 174-23
Component
Electrical system
Summary
Technical information for Little or No Cooling Power from the Air-Conditioning System: Checking Refrigerant Lines on Air-Conditioning Compressor

Owners of these vehicles have filed 32 complaints in the electrical category.

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