Buick Enclave 2019–2021 — technical service bulletin
Bulletin PIC6438A · NHTSA communication 10201307 · issued Aug 9, 2021
Technical service bulletin
communication type
Electrical System
component
2019–2021
model years
37
vehicle entries
Official summary
This Preliminary information communicates a condition where the Video Processing Control Module is not able to be programmed to the vehicle. This PI offeres a couple workarounds while Engineering evaluates the concern.
Vehicles covered
- 2020 Buick Enclave
- 2021 Buick Enclave
- 2020 Buick Encore GX
- 2021 Buick Encore GX
- 2019 Buick Lacrosse
- 2019 Cadillac CT6
- 2020 Cadillac CT6
- 2021 Cadillac CT6
- 2019 Cadillac XT4
- 2020 Cadillac XT4
- 2021 Cadillac XT4
- 2020 Cadillac XT5
- 2021 Cadillac XT5
- 2020 Cadillac XT6
- 2021 Cadillac XT6
- 2019 Chevrolet Blazer
- 2020 Chevrolet Blazer
- 2021 Chevrolet Blazer
- 2020 Chevrolet Bolt EV
- 2021 Chevrolet Bolt EV
- 2019 Chevrolet Equinox
- 2020 Chevrolet Equinox
- 2021 Chevrolet Equinox
- 2019 Chevrolet Silverado 1500
- 2020 Chevrolet Silverado 1500
- 2021 Chevrolet Silverado 1500
- 2020 Chevrolet Traverse
- 2021 Chevrolet Traverse
- 2019 GMC Acadia
- 2020 GMC Acadia
- 2021 GMC Acadia
- 2019 GMC Sierra 1500
- 2020 GMC Sierra 1500
- 2021 GMC Sierra 1500
- 2019 GMC Terrain
- 2020 GMC Terrain
- 2021 GMC Terrain
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.