Buick Enclave 2019–2021 — technical service bulletin

Bulletin 18NA279 · NHTSA communication 10198843 · issued May 12, 2021

Technical service bulletin

communication type

Latches/locks/linkages

component

2019–2021

model years

vehicle entries

Official summary

This service bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking.

Vehicles covered

2019 Buick Enclave
2020 Buick Enclave
2021 Buick Enclave
2019 Buick Encore
2020 Buick Encore
2021 Buick Encore
2020 Buick Encore GX
2021 Buick Encore GX
2019 Buick Envision
2020 Buick Envision
2021 Buick Envision
2019 Buick Lacrosse
2020 Cadillac CT4
2021 Cadillac CT4
2020 Cadillac CT5
2021 Cadillac CT5
2019 Cadillac CT6
2020 Cadillac CT6
2019 Cadillac Escalade
2020 Cadillac Escalade
2019 Cadillac Escalade Esv
2020 Cadillac Escalade Esv
2021 Cadillac Escalade Esv
2021 Cadillac Escalade NA
2019 Cadillac XT4
2020 Cadillac XT4
2021 Cadillac XT4
2019 Cadillac XT5
2020 Cadillac XT5
2021 Cadillac XT5
2020 Cadillac XT6
2021 Cadillac XT6
2019 Chevrolet Blazer
2020 Chevrolet Blazer
2021 Chevrolet Blazer
2019 Chevrolet Bolt EV
2019 Chevrolet Camaro
2020 Chevrolet Camaro
2021 Chevrolet Camaro
2019 Chevrolet Cruze
2019 Chevrolet Malibu
2020 Chevrolet Malibu
2021 Chevrolet Malibu
2019 Chevrolet Silverado 1500
2020 Chevrolet Silverado 1500
2021 Chevrolet Silverado 1500
2020 Chevrolet Silverado 2500
2021 Chevrolet Silverado 2500
2020 Chevrolet Silverado 4500
2021 Chevrolet Silverado 4500
2019 Chevrolet Spark
2020 Chevrolet Spark
2021 Chevrolet Spark
2019 Chevrolet Suburban
2020 Chevrolet Suburban
2021 Chevrolet Suburban
2019 Chevrolet Tahoe
2020 Chevrolet Tahoe
2021 Chevrolet Tahoe
2021 Chevrolet Trailblazer

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.