This informational bulletin explains why more DEF is being used in diesel engines due to new emission...
Chevrolet technical service bulletin 20-NA-082 for 2020-2024 Chevrolet Silverado 1500, 2021-2024 Chevrolet Tahoe and 2022 Chevrolet Equinox and others.
- Bulletin number
- 20-NA-082
- Component
- Engine
- Summary
- This informational bulletin explains why more DEF is being used in diesel engines due to new emission standards.
Owners of these vehicles have filed 5,179 complaints in the engine category.
Vehicles covered
- Chevrolet Silverado 1500 2020-2024 20202021202220232024
- Chevrolet Tahoe 2021-2024 2021202220232024
- Chevrolet Equinox 2022 2022
- GMC Sierra 1500 2020-2024 20202021202220232024
- Chevrolet Suburban 2021-2022, 2024 202120222024
- GMC Yukon 2021-2024 2021202220232024
- Chevrolet Silverado 2500 2020-2024 20202021202220232024
- Chevrolet Colorado 2020-2022 202020212022
- GMC Yukon XL 2021-2023 202120222023
- GMC Sierra 2500 2020-2024 20202021202220232024
- Cadillac Escalade 2021-2024 2021202220232024
- GMC Canyon 2020-2022 202020212022
- Chevrolet Suburban 1500 2021-2024 2021202220232024
- Chevrolet Silverado 3500 2020-2024 20202021202220232024
- Chevrolet Express 2020-2021 20202021
- GMC Sierra 3500 2020-2024 20202021202220232024
- Cadillac Escalade ESV 2021-2023 202120222023
- GMC Savana 2020-2022 202020212022
- GMC Yukon XL 1500 2023 2023
- Cadillac XT4 2020-2023 2020202120222023
- Chevrolet Express Cutaway Van 2020-2022 202020212022
- Chevrolet Silverado 5500 2019-2021, 2023-2024 20192020202120232024
- Chevrolet Silverado 4500 2019-2024 201920202021202220232024
- Chevrolet Silverado 6500 2019, 2021-2023, 2025 20192021202220232025
- Chevrolet 6500 2019 2019
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