Check a VIN

March 11, 2024 Service bulletin

This informational bulletin provides information for dealers/technicians on Body Control Module...

Chevrolet technical service bulletin 21-NA-171 for 2021-2022 Chevrolet Silverado 1500 and 2021-2022 GMC Sierra 1500.

Bulletin number
21-NA-171
Component
Equipment
Summary
This informational bulletin provides information for dealers/technicians on Body Control Module Programming due to Window Motor Changes Related to Microprocessor Shortage.

Vehicles covered

VIN decoder

See the problems and recalls for an exact car

Buying a used Chevrolet Silverado 1500?

Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.

Check its history