Buick Envision 2020–2022 — technical service bulletin
Bulletin 22NA044 · NHTSA communication 10215768 · issued Feb 1, 2022
Technical service bulletin
communication type
Structure
component
2020–2022
model years
22
vehicle entries
Official summary
Check Engine MIL Illuminated in DIC Set by Body Control Module with DTC P0607
Vehicles covered
- 2021 Buick Envision
- 2022 Buick Envision
- 2020 Cadillac CT4
- 2021 Cadillac CT4
- 2022 Cadillac CT4
- 2020 Cadillac CT5
- 2021 Cadillac CT5
- 2022 Cadillac CT5
- 2022 Cadillac Escalade
- 2021 Cadillac Escalade Esv
- 2022 Cadillac Escalade Esv
- 2021 Cadillac Escalade NA
- 2021 Chevrolet Corvette
- 2022 Chevrolet Corvette
- 2021 Chevrolet Suburban
- 2022 Chevrolet Suburban
- 2021 Chevrolet Tahoe
- 2022 Chevrolet Tahoe
- 2020 GMC Yukon
- 2021 GMC Yukon
- 2020 GMC Yukon XL
- 2021 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.