Buick Enclave 2020 — technical service bulletin
Bulletin 030846004X · NHTSA communication 10188402 · issued Jan 26, 2021
Technical service bulletin
communication type
Electrical System
component
2020
model years
22
vehicle entries
Official summary
This service bulletin announces that the Part Restriction and Ordering Process Information for OnStar® Vehicle Communication Interface Modules (VCIM) (GMNA Only) has ended.
Vehicles covered
- 2020 Buick Enclave
- 2020 Cadillac CT4
- 2020 Cadillac CT5
- 2020 Cadillac CT6
- 2020 Cadillac XT4
- 2020 Cadillac XT5
- 2020 Cadillac XT6
- 2020 Chevrolet Blazer
- 2020 Chevrolet Bolt EV
- 2020 Chevrolet Camaro
- 2020 Chevrolet Colorado
- 2020 Chevrolet Corvette
- 2020 Chevrolet Equinox
- 2020 Chevrolet Malibu
- 2020 Chevrolet Silverado 1500
- 2020 Chevrolet Silverado 2500
- 2020 Chevrolet Spark
- 2020 Chevrolet Traverse
- 2020 GMC Acadia
- 2020 GMC Sierra 1500
- 2020 GMC Sierra 2500
- 2020 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.