Cadillac Escalade 2019–2024 — technical service bulletin
Bulletin 20-NA-082 · NHTSA communication 10234142 · issued Mar 20, 2023
Technical service bulletin
communication type
Engine and Engine Cooling
component
2019–2024
model years
60
vehicle entries
Official summary
This informational bulletin explains why more DEF is being used in diesel engines due to new emission standards.
Vehicles covered
- 2021 Cadillac Escalade
- 2022 Cadillac Escalade
- 2023 Cadillac Escalade
- 2021 Cadillac Escalade Esv
- 2022 Cadillac Escalade Esv
- 2023 Cadillac Escalade Esv
- 2021 Cadillac Escalade NA
- 2020 Cadillac XT4
- 2021 Cadillac XT4
- 2022 Cadillac XT4
- 2023 Cadillac XT4
- 2019 Chevrolet 6500
- 2020 Chevrolet Colorado
- 2021 Chevrolet Colorado
- 2019 Chevrolet Duplicate Silverado 5500
- 2020 Chevrolet Express
- 2021 Chevrolet Express
- 2022 Chevrolet Express
- 2020 Chevrolet Silverado 1500
- 2021 Chevrolet Silverado 1500
- 2022 Chevrolet Silverado 1500
- 2023 Chevrolet Silverado 1500
- 2020 Chevrolet Silverado 2500
- 2021 Chevrolet Silverado 2500
- 2022 Chevrolet Silverado 2500
- 2023 Chevrolet Silverado 2500
- 2024 Chevrolet Silverado 2500
- 2020 Chevrolet Silverado 3500
- 2021 Chevrolet Silverado 3500
- 2022 Chevrolet Silverado 3500
- 2023 Chevrolet Silverado 3500
- 2024 Chevrolet Silverado 3500
- 2019 Chevrolet Silverado 4500
- 2020 Chevrolet Silverado 4500
- 2021 Chevrolet Silverado 4500
- 2022 Chevrolet Silverado 4500
- 2023 Chevrolet Silverado 4500
- 2019 Chevrolet Silverado 5500
- 2020 Chevrolet Silverado 5500
- 2021 Chevrolet Silverado 5500
- 2023 Chevrolet Silverado 5500
- 2019 Chevrolet Silverado 6500
- 2021 Chevrolet Silverado 6500
- 2022 Chevrolet Silverado 6500
- 2023 Chevrolet Silverado 6500
- 2021 Chevrolet Suburban
- 2022 Chevrolet Suburban
- 2023 Chevrolet Suburban
- 2021 Chevrolet Suburban 1500
- 2022 Chevrolet Suburban 1500
- 2021 Chevrolet Tahoe
- 2022 Chevrolet Tahoe
- 2023 Chevrolet Tahoe
- 2020 GMC Canyon
- 2021 GMC Canyon
- 2022 GMC Canyon
- 2020 GMC Savana
- 2021 GMC Savana
- 2022 GMC Savana
- 2020 GMC Sierra 1500
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.