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January 27, 2022 Service bulletin

Visibility: defroster/defogger/HVAC system

Chevrolet technical service bulletin PIP5833B for 2020-2022 Chevrolet Silverado 2500 and 2020-2022 GMC Sierra 2500.

Bulletin number
PIP5833B
Component
Visibility: defroster/defogger/HVAC system
Summary
This Preliminary information communicates to technicians to update the program in the DEF controller

Owners of these vehicles have filed 7 complaints in the visibility category.

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