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November 13, 2018 Service bulletin

This technical bulletin provides a procedure to program the ECM to correct the customers concern.

Chevrolet technical service bulletin 18NA341 for 2018-2019 Chevrolet Camaro, 2018-2019 Cadillac CTS and 2018-2019 Cadillac Ats.

Bulletin number
18NA341
Component
Power train: automatic transmission: control module (TCM/PCM/tecm)
Summary
This technical bulletin provides a procedure to program the ECM to correct the customers concern.

Owners of these vehicles have filed 50 complaints in the transmission category.

Vehicles covered

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