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June 16, 2020 Service bulletin

This technical bulletin provides repair information to correct a customer concern of check engine lamp...

Chevrolet technical service bulletin 20NA135 for 2021 Chevrolet Trailblazer and 2020 Buick Encore.

Bulletin number
20NA135
Component
Electrical system
Summary
This technical bulletin provides repair information to correct a customer concern of check engine lamp illuminated, DTC P159F 00 set, No Audio.

Owners of these vehicles have filed 45 complaints in the electrical category.

Vehicles covered

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