This informational bulletin advises the technician to check for faults that may be caused by the trailer...
Chevrolet technical service bulletin 21-NA-155 for 2019-2025 Chevrolet Silverado 1500, 2021-2025 Chevrolet Tahoe and 2019-2025 GMC Sierra 1500 and others.
- Bulletin number
- 21-NA-155
- Component
- Service brakes
- Summary
- This informational bulletin advises the technician to check for faults that may be caused by the trailer otherwise found by a possible faulty trailer connector.
Owners of these vehicles have filed 1,107 complaints in the brakes category.
Vehicles covered
- Chevrolet Silverado 1500 2019-2025 2019202020212022202320242025
- Chevrolet Tahoe 2021-2025 20212022202320242025
- GMC Sierra 1500 2019-2025 2019202020212022202320242025
- Chevrolet Suburban 2021-2022, 2024 202120222024
- GMC Yukon 2021-2025 20212022202320242025
- Chevrolet Silverado 2500 2020-2025 202020212022202320242025
- GMC Yukon XL 2021-2025 20212022202320242025
- GMC Sierra 2500 2020-2025 202020212022202320242025
- Cadillac Escalade 2021-2025 20212022202320242025
- Chevrolet Suburban 1500 2021-2025 20212022202320242025
- Chevrolet Silverado 3500 2020-2025 202020212022202320242025
- GMC Sierra 3500 2020-2025 202020212022202320242025
- Cadillac Escalade ESV 2021-2025 20212022202320242025
- GMC Yukon XL 1500 2023 2023
- GMC Sierra Denali 2020 2020
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