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July 27, 2018 Service bulletin

Key Battery Diagnostic Process

Volkswagen technical service bulletin TT 58 18 01 for 2011-2019 Volkswagen Jetta, 2011-2018 Volkswagen Passat and 2011-2018 Volkswagen Beetle and others.

Bulletin number
TT 58 18 01
Component
Electrical system: 12v/24v/48v battery
Summary
Key Battery Diagnostic Process

Owners of these vehicles have filed 2,047 complaints in the electrical category.

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