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May 4, 2023 Service bulletin

Battery adaptation procedure when battery label is missing.

Volkswagen technical service bulletin TT 27 20 02_3 for 2015-2024 Volkswagen Jetta, 2015-2024 Volkswagen Passat and 2015-2019 Volkswagen Beetle and others.

Bulletin number
TT 27 20 02_3
Component
Electrical system: 12v/24v/48v battery
Summary
Battery adaptation procedure when battery label is missing.

Owners of these vehicles have filed 2,265 complaints in the electrical category.

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