Buick Envision 2017–2020 — technical service bulletin

Bulletin 19NA078 · NHTSA communication 10178257 · issued Jun 4, 2020

Technical service bulletin

communication type

Tires

component

2017–2020

model years

vehicle entries

Official summary

This warranty administration bulletin provide policy information on tires are not meeting tread depth expectations, or wearing out (reaching 2/32)) too quickly.

Vehicles covered

2017 Buick Envision
2018 Buick Envision
2019 Buick Envision
2020 Buick Envision
2018 Cadillac XT5
2019 Cadillac XT5
2020 Cadillac XT5
2019 Chevrolet Blazer
2020 Chevrolet Blazer
2018 Chevrolet Equinox
2019 Chevrolet Equinox
2020 Chevrolet Equinox
2017 GMC Acadia
2018 GMC Acadia
2019 GMC Acadia
2018 GMC Terrain
2019 GMC Terrain
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.