Cadillac CT6 2019–2021 — technical service bulletin
Bulletin PIT5790B · NHTSA communication 10201277 · issued Jun 10, 2021
Technical service bulletin
communication type
Equipment
component
2019–2021
model years
23
vehicle entries
Official summary
This Preliminary information communicates a concern where the radio will reboot when adjusting the volume intermittently and that engineering is investigating.
Vehicles covered
- 2019 Cadillac CT6
- 2020 Cadillac CT6
- 2019 Cadillac XT4
- 2019 Chevrolet Blazer
- 2019 Chevrolet Camaro
- 2019 Chevrolet Colorado
- 2020 Chevrolet Colorado
- 2021 Chevrolet Colorado
- 2019 Chevrolet Equinox
- 2020 Chevrolet Equinox
- 2021 Chevrolet Equinox
- 2019 Chevrolet Malibu
- 2020 Chevrolet Malibu
- 2019 Chevrolet Silverado 1500
- 2019 Chevrolet Volt
- 2019 GMC Acadia
- 2019 GMC Canyon
- 2020 GMC Canyon
- 2021 GMC Canyon
- 2019 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.