Buick Enclave 2016–2019 — technical service bulletin

Bulletin 18NA259 · NHTSA communication 10212552 · issued Dec 21, 2021

Technical service bulletin

communication type

Electrical System

component

2016–2019

model years

vehicle entries

Official summary

This service bulletin provides repair information to correct a customer concern of passive entry and passive starting functions are always inoperative on one, or both, of the RKE Fobs, possible various DIC messages.

Vehicles covered

2018 Buick Enclave
2019 Buick Enclave
2018 Buick Encore
2019 Buick Encore
2018 Buick Lacrosse
2019 Buick Lacrosse
2018 Buick Regal
2019 Buick Regal
2018 Cadillac Ats
2019 Cadillac Ats
2016 Cadillac CT6
2017 Cadillac CT6
2018 Cadillac CT6
2019 Cadillac CT6
2018 Cadillac CTS
2019 Cadillac CTS
2019 Cadillac Escalade
2019 Cadillac Escalade Esv
2019 Cadillac XT4
2017 Cadillac XT5
2019 Cadillac XT5
2018 Cadillac XTS
2019 Cadillac XTS
2019 Chevrolet Bolt EV
2019 Chevrolet Camaro
2018 Chevrolet Cruze
2019 Chevrolet Cruze
2018 Chevrolet Equinox
2019 Chevrolet Equinox
2018 Chevrolet Malibu
2019 Chevrolet Malibu
2019 Chevrolet Silverado 1500
2018 Chevrolet Sonic
2019 Chevrolet Sonic
2018 Chevrolet Tahoe
2019 Chevrolet Tahoe
2018 Chevrolet Traverse
2019 Chevrolet Traverse
2018 Chevrolet Trax
2019 Chevrolet Trax
2019 Chevrolet Volt
2019 GMC Acadia
2019 GMC Sierra 1500
2018 GMC Terrain
2019 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.