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July 8, 2020 Service bulletin

This technical bulletin provides a procedure to repair the mechanical components and then reprogram the...

Chevrolet technical service bulletin 18NA171 for 2016-2019 Chevrolet Cruze, 2018-2019 Chevrolet Trax and 2016-2019 Buick Encore.

Bulletin number
18NA171
Component
Power train: manual transmission
Summary
This technical bulletin provides a procedure to repair the mechanical components and then reprogram the throttle body to prevent the conditions of a rough running engine, MIL On from happening again.

Owners of these vehicles have filed 166 complaints in the transmission category.

Vehicles covered

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