Buick Enclave 2019–2020 — technical service bulletin

Bulletin 18NA279 · NHTSA communication 10171887 · issued Jan 22, 2020

Technical service bulletin

communication type

Structure

component

2019–2020

model years

vehicle entries

Official summary

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

Vehicles covered

2019 Buick Enclave
2020 Buick Enclave
2019 Buick Encore
2020 Buick Encore
2019 Buick Envision
2020 Buick Envision
2019 Buick Lacrosse
2020 Cadillac CT4
2020 Cadillac CT5
2019 Cadillac CT6
2020 Cadillac CT6
2019 Cadillac Escalade
2020 Cadillac Escalade
2019 Cadillac Escalade Esv
2020 Cadillac Escalade Esv
2019 Cadillac XT4
2020 Cadillac XT4
2020 Cadillac XT5
2020 Cadillac XT6
2019 Chevrolet Blazer
2020 Chevrolet Blazer
2019 Chevrolet Bolt EV
2019 Chevrolet Camaro
2020 Chevrolet Camaro
2019 Chevrolet Cruze
2019 Chevrolet Malibu
2020 Chevrolet Malibu
2019 Chevrolet Silverado 1500
2020 Chevrolet Silverado 1500
2019 Chevrolet Spark
2020 Chevrolet Spark
2019 Chevrolet Suburban
2020 Chevrolet Suburban
2019 Chevrolet Tahoe
2020 Chevrolet Tahoe
2019 Chevrolet Traverse
2020 Chevrolet Traverse
2019 Chevrolet Trax
2020 Chevrolet Trax
2019 Chevrolet Volt
2020 GMC Acadia
2019 GMC Sierra 1500
2020 GMC Sierra 1500
2019 GMC Yukon
2020 GMC Yukon

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.