21-NA-169

Service Bulletin Details

Public Details for: 21-NA-169

This service bulletin provides diagnostic information/procedures to aid the service technician in diagnosing 9t45/50/60 automatic transmissions with low mileage and dtcs current or history related to the control solenoids and valves.


- 2023 - 2022 - 2021 -

Models from 2023
2023 CADILLAC XT5
2023 CADILLAC XT6
2023 CHEVROLET BLAZER
2023 GMC ACADIA
Models from 2022
2022 BUICK ENCORE GX
2022 BUICK ENVISION
2022 CADILLAC XT4
2022 CADILLAC XT5
2022 CADILLAC XT6
2022 CHEVROLET BLAZER
2022 CHEVROLET MALIBU
2022 CHEVROLET TRAILBLAZER
2022 GMC ACADIA
2022 GMC TERRAIN
Models from 2021
2021 BUICK ENCORE GX
2021 BUICK ENVISION
2021 CADILLAC XT4
2021 CADILLAC XT5
2021 CADILLAC XT6
2021 CHEVROLET BLAZER
2021 CHEVROLET MALIBU
2021 CHEVROLET TRAILBLAZER
2021 GMC ACADIA
2021 GMC TERRAIN 









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