Cadillac Escalade 2019–2022 — technical service bulletin
Bulletin 22-NA-187 · NHTSA communication 10231427 · issued Jan 19, 2023
Technical service bulletin
communication type
Power Train
component
2019–2022
model years
41
vehicle entries
Official summary
This informational bulletin advises the tech to inspect the transfer case motor electrical connectors for possible damage or corrosion that might be caused by a damage grommet inside the electrical connector.
Vehicles covered
- 2020 Cadillac Escalade
- 2021 Cadillac Escalade
- 2022 Cadillac Escalade
- 2020 Cadillac Escalade Esv
- 2021 Cadillac Escalade Esv
- 2022 Cadillac Escalade Esv
- 2021 Cadillac Escalade NA
- 2019 Chevrolet Silverado 1500
- 2020 Chevrolet Silverado 1500
- 2021 Chevrolet Silverado 1500
- 2022 Chevrolet Silverado 1500
- 2020 Chevrolet Silverado 2500
- 2021 Chevrolet Silverado 2500
- 2022 Chevrolet Silverado 2500
- 2020 Chevrolet Silverado 3500
- 2021 Chevrolet Silverado 3500
- 2022 Chevrolet Silverado 3500
- 2020 Chevrolet Suburban
- 2021 Chevrolet Suburban
- 2022 Chevrolet Suburban
- 2021 Chevrolet Suburban 1500
- 2022 Chevrolet Suburban 1500
- 2020 Chevrolet Tahoe
- 2021 Chevrolet Tahoe
- 2022 Chevrolet Tahoe
- 2019 GMC Sierra 1500
- 2020 GMC Sierra 1500
- 2021 GMC Sierra 1500
- 2022 GMC Sierra 1500
- 2020 GMC Sierra 2500
- 2021 GMC Sierra 2500
- 2022 GMC Sierra 2500
- 2020 GMC Sierra 3500
- 2021 GMC Sierra 3500
- 2022 GMC Sierra 3500
- 2020 GMC Yukon
- 2021 GMC Yukon
- 2022 GMC Yukon
- 2020 GMC Yukon XL
- 2021 GMC Yukon XL
- 2022 GMC Yukon XL
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.