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November 17, 2023 Service bulletin

Power train

Chevrolet technical service bulletin PIT5985C for 2022-2024 Chevrolet Silverado 1500, 2021-2024 Chevrolet Tahoe and 2022-2024 GMC Sierra 1500 and others.

Bulletin number
PIT5985C
Component
Power train
Summary
This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power up after a can bus 2 issue, lightning strike, or a failed over the air update.

Owners of these vehicles have filed 1,320 complaints in the transmission category.

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