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December 14, 2020 Service bulletin

This technical bulletin provides repair information to correct a customer concern of Unable to Access Apps...

Chevrolet technical service bulletin 20NA221 for 2021 Chevrolet Silverado 1500 and 2021 GMC Sierra 1500.

Bulletin number
20NA221
Component
Electrical system
Summary
This technical bulletin provides repair information to correct a customer concern of Unable to Access Apps and Remote Personalization Features in the Radio.

Owners of these vehicles have filed 189 complaints in the electrical category.

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