TSB: BUICK ACADIA, BLAZER, BOLT EUV, BOLT EV, CAMARO, CRUZE, CT4, CT5, CT6, ENCLAVE, ENCORE, ENCORE GX, ENVISION, ESCALADE, ESCALADE ESV, HUMMER EV, LACROSSE, LYRIQ, MALIBU, SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SILVERADO 4500HD, SILVERADO 5500HD, SILVERADO 6500HD, SPARK, SUBURBAN, SUBURBAN 1500, TAHOE, TRAILBLAZER, TRAVERSE, TRAX, VOLT, XT4, XT5, XT6, YUKON (2019–2023)

Bulletin 18-NA-279 — January 20, 2023

Bulletin Details

Bulletin ID18-NA-279
ManufacturerBUICK
ModelsACADIA, BLAZER, BOLT EUV, BOLT EV, CAMARO, CRUZE, CT4, CT5, CT6, ENCLAVE, ENCORE, ENCORE GX, ENVISION, ESCALADE, ESCALADE ESV, HUMMER EV, LACROSSE, LYRIQ, MALIBU, SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SILVERADO 4500HD, SILVERADO 5500HD, SILVERADO 6500HD, SPARK, SUBURBAN, SUBURBAN 1500, TAHOE, TRAILBLAZER, TRAVERSE, TRAX, VOLT, XT4, XT5, XT6, YUKON
Model Years2019–2023
Date IssuedJanuary 20, 2023
Date Added to NHTSAFebruary 22, 2023
ComponentEXTERIOR LIGHTING
Vehicles Affected539 combinations

What is a TSB?

A Technical Service Bulletin is a document issued by the vehicle manufacturer to inform dealership technicians about a known issue and the recommended repair procedure. TSBs are not mandatory recalls — they serve as repair guidance for common problems.

If your vehicle has this issue, bring this bulletin ID to your dealer. If under warranty, the repair should be covered at no cost.

Summary

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

Affected Vehicles

MakeModelYearComponent
CHEVROLET BOLT EUV 2023 120000 EXTERIOR LIGHTING
CHEVROLET BOLT EUV 2023 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET BOLT EUV 2023 350000 EQUIPMENT
CHEVROLET BOLT EV 2023 120000 EXTERIOR LIGHTING
CHEVROLET BOLT EV 2023 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET BOLT EV 2023 350000 EQUIPMENT
CADILLAC CT4 2023 120000 EXTERIOR LIGHTING
CADILLAC CT4 2023 170000 LATCHES/LOCKS/LINKAGES
CADILLAC CT4 2023 350000 EQUIPMENT
CADILLAC CT5 2023 120000 EXTERIOR LIGHTING
CADILLAC CT5 2023 170000 LATCHES/LOCKS/LINKAGES
CADILLAC CT5 2023 350000 EQUIPMENT
BUICK ENCLAVE 2023 120000 EXTERIOR LIGHTING
BUICK ENCLAVE 2023 170000 LATCHES/LOCKS/LINKAGES
BUICK ENCLAVE 2023 350000 EQUIPMENT
BUICK ENCORE GX 2023 120000 EXTERIOR LIGHTING
BUICK ENCORE GX 2023 170000 LATCHES/LOCKS/LINKAGES
BUICK ENCORE GX 2023 350000 EQUIPMENT
BUICK ENVISION 2023 120000 EXTERIOR LIGHTING
BUICK ENVISION 2023 170000 LATCHES/LOCKS/LINKAGES
BUICK ENVISION 2023 350000 EQUIPMENT
CADILLAC ESCALADE 2023 120000 EXTERIOR LIGHTING
CADILLAC ESCALADE 2023 170000 LATCHES/LOCKS/LINKAGES
CADILLAC ESCALADE 2023 350000 EQUIPMENT
CADILLAC ESCALADE ESV 2023 120000 EXTERIOR LIGHTING
CADILLAC ESCALADE ESV 2023 170000 LATCHES/LOCKS/LINKAGES
CADILLAC ESCALADE ESV 2023 350000 EQUIPMENT
GMC HUMMER EV 2023 120000 EXTERIOR LIGHTING
GMC HUMMER EV 2023 170000 LATCHES/LOCKS/LINKAGES
GMC HUMMER EV 2023 350000 EQUIPMENT
CADILLAC LYRIQ 2023 120000 EXTERIOR LIGHTING
CADILLAC LYRIQ 2023 170000 LATCHES/LOCKS/LINKAGES
CADILLAC LYRIQ 2023 350000 EQUIPMENT
GMC SIERRA 1500 2023 120000 EXTERIOR LIGHTING
GMC SIERRA 1500 2023 170000 LATCHES/LOCKS/LINKAGES
GMC SIERRA 1500 2023 350000 EQUIPMENT
GMC SIERRA 2500 2023 120000 EXTERIOR LIGHTING
GMC SIERRA 2500 2023 170000 LATCHES/LOCKS/LINKAGES
GMC SIERRA 2500 2023 350000 EQUIPMENT
GMC SIERRA 3500 2023 120000 EXTERIOR LIGHTING
GMC SIERRA 3500 2023 170000 LATCHES/LOCKS/LINKAGES
GMC SIERRA 3500 2023 350000 EQUIPMENT
CHEVROLET SILVERADO 1500 2023 120000 EXTERIOR LIGHTING
CHEVROLET SILVERADO 1500 2023 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SILVERADO 1500 2023 350000 EQUIPMENT
CHEVROLET SILVERADO 2500 2023 120000 EXTERIOR LIGHTING
CHEVROLET SILVERADO 2500 2023 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SILVERADO 2500 2023 350000 EQUIPMENT
CHEVROLET SILVERADO 3500 2023 120000 EXTERIOR LIGHTING
CHEVROLET SILVERADO 3500 2023 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SILVERADO 3500 2023 350000 EQUIPMENT
CHEVROLET SILVERADO 4500HD 2023 120000 EXTERIOR LIGHTING
CHEVROLET SILVERADO 4500HD 2023 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SILVERADO 4500HD 2023 350000 EQUIPMENT
CHEVROLET SILVERADO 5500HD 2023 120000 EXTERIOR LIGHTING
CHEVROLET SILVERADO 5500HD 2023 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SILVERADO 5500HD 2023 350000 EQUIPMENT
CHEVROLET SILVERADO 6500HD 2023 120000 EXTERIOR LIGHTING
CHEVROLET SILVERADO 6500HD 2023 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SILVERADO 6500HD 2023 350000 EQUIPMENT
CHEVROLET SUBURBAN 2023 120000 EXTERIOR LIGHTING
CHEVROLET SUBURBAN 2023 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SUBURBAN 2023 350000 EQUIPMENT
CHEVROLET TAHOE 2023 120000 EXTERIOR LIGHTING
CHEVROLET TAHOE 2023 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET TAHOE 2023 350000 EQUIPMENT
CHEVROLET TRAILBLAZER 2023 120000 EXTERIOR LIGHTING
CHEVROLET TRAILBLAZER 2023 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET TRAILBLAZER 2023 350000 EQUIPMENT
GMC YUKON 2023 120000 EXTERIOR LIGHTING
GMC YUKON 2023 170000 LATCHES/LOCKS/LINKAGES
GMC YUKON 2023 350000 EQUIPMENT
CHEVROLET BOLT EUV 2022 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET BOLT EUV 2022 120000 EXTERIOR LIGHTING
CHEVROLET BOLT EUV 2022 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET BOLT EUV 2022 350000 EQUIPMENT
CHEVROLET BOLT EV 2022 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET BOLT EV 2022 120000 EXTERIOR LIGHTING
CHEVROLET BOLT EV 2022 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET BOLT EV 2022 350000 EQUIPMENT
CADILLAC CT4 2022 120000 EXTERIOR LIGHTING
CADILLAC CT4 2022 170000 LATCHES/LOCKS/LINKAGES
CADILLAC CT4 2022 350000 EQUIPMENT
CADILLAC CT5 2022 120000 EXTERIOR LIGHTING
CADILLAC CT5 2022 170000 LATCHES/LOCKS/LINKAGES
CADILLAC CT5 2022 350000 EQUIPMENT
BUICK ENCLAVE 2022 120000 EXTERIOR LIGHTING
BUICK ENCLAVE 2022 170000 LATCHES/LOCKS/LINKAGES
BUICK ENCLAVE 2022 350000 EQUIPMENT
BUICK ENCORE 2022 120000 EXTERIOR LIGHTING
BUICK ENCORE 2022 170000 LATCHES/LOCKS/LINKAGES
BUICK ENCORE 2022 350000 EQUIPMENT
BUICK ENCORE GX 2022 120000 EXTERIOR LIGHTING
BUICK ENCORE GX 2022 170000 LATCHES/LOCKS/LINKAGES
BUICK ENCORE GX 2022 350000 EQUIPMENT
BUICK ENVISION 2022 120000 EXTERIOR LIGHTING
BUICK ENVISION 2022 170000 LATCHES/LOCKS/LINKAGES
BUICK ENVISION 2022 350000 EQUIPMENT
CADILLAC ESCALADE 2022 120000 EXTERIOR LIGHTING
CADILLAC ESCALADE 2022 170000 LATCHES/LOCKS/LINKAGES
CADILLAC ESCALADE 2022 350000 EQUIPMENT
CADILLAC ESCALADE ESV 2022 120000 EXTERIOR LIGHTING
CADILLAC ESCALADE ESV 2022 170000 LATCHES/LOCKS/LINKAGES
CADILLAC ESCALADE ESV 2022 350000 EQUIPMENT
GMC HUMMER EV 2022 120000 EXTERIOR LIGHTING
GMC HUMMER EV 2022 170000 LATCHES/LOCKS/LINKAGES
GMC HUMMER EV 2022 350000 EQUIPMENT
CHEVROLET MALIBU 2022 120000 EXTERIOR LIGHTING
CHEVROLET MALIBU 2022 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET MALIBU 2022 350000 EQUIPMENT
GMC SIERRA 1500 2022 120000 EXTERIOR LIGHTING
GMC SIERRA 1500 2022 170000 LATCHES/LOCKS/LINKAGES
GMC SIERRA 1500 2022 350000 EQUIPMENT
GMC SIERRA 2500 2022 120000 EXTERIOR LIGHTING
GMC SIERRA 2500 2022 170000 LATCHES/LOCKS/LINKAGES
GMC SIERRA 2500 2022 350000 EQUIPMENT
GMC SIERRA 3500 2022 120000 EXTERIOR LIGHTING
GMC SIERRA 3500 2022 170000 LATCHES/LOCKS/LINKAGES
GMC SIERRA 3500 2022 350000 EQUIPMENT
CHEVROLET SILVERADO 1500 2022 120000 EXTERIOR LIGHTING
CHEVROLET SILVERADO 1500 2022 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SILVERADO 1500 2022 350000 EQUIPMENT
CHEVROLET SILVERADO 2500 2022 120000 EXTERIOR LIGHTING
CHEVROLET SILVERADO 2500 2022 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SILVERADO 2500 2022 350000 EQUIPMENT
CHEVROLET SILVERADO 3500 2022 120000 EXTERIOR LIGHTING
CHEVROLET SILVERADO 3500 2022 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SILVERADO 3500 2022 350000 EQUIPMENT
CHEVROLET SILVERADO 4500HD 2022 120000 EXTERIOR LIGHTING
CHEVROLET SILVERADO 4500HD 2022 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SILVERADO 4500HD 2022 350000 EQUIPMENT
CHEVROLET SILVERADO 5500HD 2022 120000 EXTERIOR LIGHTING
CHEVROLET SILVERADO 5500HD 2022 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SILVERADO 5500HD 2022 350000 EQUIPMENT
CHEVROLET SILVERADO 6500HD 2022 120000 EXTERIOR LIGHTING
CHEVROLET SILVERADO 6500HD 2022 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SILVERADO 6500HD 2022 350000 EQUIPMENT
CHEVROLET SPARK 2022 120000 EXTERIOR LIGHTING
CHEVROLET SPARK 2022 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SPARK 2022 350000 EQUIPMENT
CHEVROLET SUBURBAN 2022 120000 EXTERIOR LIGHTING
CHEVROLET SUBURBAN 2022 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SUBURBAN 2022 350000 EQUIPMENT
CHEVROLET SUBURBAN 1500 2022 120000 EXTERIOR LIGHTING
CHEVROLET SUBURBAN 1500 2022 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SUBURBAN 1500 2022 350000 EQUIPMENT
CHEVROLET TAHOE 2022 120000 EXTERIOR LIGHTING
CHEVROLET TAHOE 2022 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET TAHOE 2022 350000 EQUIPMENT
CHEVROLET TRAILBLAZER 2022 120000 EXTERIOR LIGHTING
CHEVROLET TRAILBLAZER 2022 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET TRAILBLAZER 2022 350000 EQUIPMENT
CHEVROLET TRAX 2022 120000 EXTERIOR LIGHTING
CHEVROLET TRAX 2022 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET TRAX 2022 350000 EQUIPMENT
CADILLAC XT4 2022 120000 EXTERIOR LIGHTING
CADILLAC XT4 2022 170000 LATCHES/LOCKS/LINKAGES
CADILLAC XT4 2022 350000 EQUIPMENT
GMC YUKON 2022 120000 EXTERIOR LIGHTING
GMC YUKON 2022 170000 LATCHES/LOCKS/LINKAGES
GMC YUKON 2022 350000 EQUIPMENT
GMC ACADIA 2021 170000 LATCHES/LOCKS/LINKAGES
GMC ACADIA 2021 120000 EXTERIOR LIGHTING
GMC ACADIA 2021 170000 LATCHES/LOCKS/LINKAGES
GMC ACADIA 2021 350000 EQUIPMENT
CHEVROLET BLAZER 2021 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET BLAZER 2021 120000 EXTERIOR LIGHTING
CHEVROLET BLAZER 2021 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET BLAZER 2021 350000 EQUIPMENT
CHEVROLET BOLT EV 2021 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET BOLT EV 2021 120000 EXTERIOR LIGHTING
CHEVROLET BOLT EV 2021 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET BOLT EV 2021 350000 EQUIPMENT
CHEVROLET CAMARO 2021 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET CAMARO 2021 120000 EXTERIOR LIGHTING
CHEVROLET CAMARO 2021 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET CAMARO 2021 350000 EQUIPMENT
CADILLAC CT4 2021 170000 LATCHES/LOCKS/LINKAGES
CADILLAC CT4 2021 120000 EXTERIOR LIGHTING
CADILLAC CT4 2021 170000 LATCHES/LOCKS/LINKAGES
CADILLAC CT4 2021 350000 EQUIPMENT
CADILLAC CT5 2021 170000 LATCHES/LOCKS/LINKAGES
CADILLAC CT5 2021 120000 EXTERIOR LIGHTING
CADILLAC CT5 2021 170000 LATCHES/LOCKS/LINKAGES
CADILLAC CT5 2021 350000 EQUIPMENT
BUICK ENCLAVE 2021 170000 LATCHES/LOCKS/LINKAGES
BUICK ENCLAVE 2021 120000 EXTERIOR LIGHTING
BUICK ENCLAVE 2021 170000 LATCHES/LOCKS/LINKAGES
BUICK ENCLAVE 2021 350000 EQUIPMENT
BUICK ENCORE 2021 170000 LATCHES/LOCKS/LINKAGES
BUICK ENCORE 2021 120000 EXTERIOR LIGHTING
BUICK ENCORE 2021 170000 LATCHES/LOCKS/LINKAGES
BUICK ENCORE 2021 350000 EQUIPMENT
BUICK ENCORE GX 2021 170000 LATCHES/LOCKS/LINKAGES
BUICK ENCORE GX 2021 120000 EXTERIOR LIGHTING
BUICK ENCORE GX 2021 170000 LATCHES/LOCKS/LINKAGES
BUICK ENCORE GX 2021 350000 EQUIPMENT
BUICK ENVISION 2021 170000 LATCHES/LOCKS/LINKAGES
BUICK ENVISION 2021 120000 EXTERIOR LIGHTING
BUICK ENVISION 2021 170000 LATCHES/LOCKS/LINKAGES
BUICK ENVISION 2021 350000 EQUIPMENT
CADILLAC ESCALADE 2021 170000 LATCHES/LOCKS/LINKAGES
CADILLAC ESCALADE 2021 120000 EXTERIOR LIGHTING
CADILLAC ESCALADE 2021 170000 LATCHES/LOCKS/LINKAGES
CADILLAC ESCALADE 2021 350000 EQUIPMENT
CADILLAC ESCALADE ESV 2021 170000 LATCHES/LOCKS/LINKAGES
CADILLAC ESCALADE ESV 2021 120000 EXTERIOR LIGHTING
CADILLAC ESCALADE ESV 2021 170000 LATCHES/LOCKS/LINKAGES
CADILLAC ESCALADE ESV 2021 350000 EQUIPMENT
CHEVROLET MALIBU 2021 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET MALIBU 2021 120000 EXTERIOR LIGHTING
CHEVROLET MALIBU 2021 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET MALIBU 2021 350000 EQUIPMENT
GMC SIERRA 1500 2021 170000 LATCHES/LOCKS/LINKAGES
GMC SIERRA 1500 2021 120000 EXTERIOR LIGHTING
GMC SIERRA 1500 2021 170000 LATCHES/LOCKS/LINKAGES
GMC SIERRA 1500 2021 350000 EQUIPMENT
GMC SIERRA 2500 2021 170000 LATCHES/LOCKS/LINKAGES
GMC SIERRA 2500 2021 120000 EXTERIOR LIGHTING
GMC SIERRA 2500 2021 170000 LATCHES/LOCKS/LINKAGES
GMC SIERRA 2500 2021 350000 EQUIPMENT
GMC SIERRA 3500 2021 170000 LATCHES/LOCKS/LINKAGES
GMC SIERRA 3500 2021 120000 EXTERIOR LIGHTING
GMC SIERRA 3500 2021 170000 LATCHES/LOCKS/LINKAGES
GMC SIERRA 3500 2021 350000 EQUIPMENT
CHEVROLET SILVERADO 1500 2021 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SILVERADO 1500 2021 120000 EXTERIOR LIGHTING
CHEVROLET SILVERADO 1500 2021 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SILVERADO 1500 2021 350000 EQUIPMENT
CHEVROLET SILVERADO 2500 2021 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SILVERADO 2500 2021 120000 EXTERIOR LIGHTING
CHEVROLET SILVERADO 2500 2021 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SILVERADO 2500 2021 350000 EQUIPMENT
CHEVROLET SILVERADO 3500 2021 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SILVERADO 3500 2021 120000 EXTERIOR LIGHTING
CHEVROLET SILVERADO 3500 2021 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SILVERADO 3500 2021 350000 EQUIPMENT
CHEVROLET SILVERADO 4500HD 2021 120000 EXTERIOR LIGHTING
CHEVROLET SILVERADO 4500HD 2021 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SILVERADO 4500HD 2021 350000 EQUIPMENT
CHEVROLET SILVERADO 5500HD 2021 120000 EXTERIOR LIGHTING
CHEVROLET SILVERADO 5500HD 2021 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SILVERADO 5500HD 2021 350000 EQUIPMENT
CHEVROLET SILVERADO 6500HD 2021 120000 EXTERIOR LIGHTING
CHEVROLET SILVERADO 6500HD 2021 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SILVERADO 6500HD 2021 350000 EQUIPMENT
CHEVROLET SPARK 2021 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SPARK 2021 120000 EXTERIOR LIGHTING
CHEVROLET SPARK 2021 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SPARK 2021 350000 EQUIPMENT
CHEVROLET SUBURBAN 2021 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SUBURBAN 2021 120000 EXTERIOR LIGHTING
CHEVROLET SUBURBAN 2021 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SUBURBAN 2021 350000 EQUIPMENT
CHEVROLET SUBURBAN 1500 2021 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SUBURBAN 1500 2021 120000 EXTERIOR LIGHTING
CHEVROLET SUBURBAN 1500 2021 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SUBURBAN 1500 2021 350000 EQUIPMENT
CHEVROLET TAHOE 2021 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET TAHOE 2021 120000 EXTERIOR LIGHTING
CHEVROLET TAHOE 2021 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET TAHOE 2021 350000 EQUIPMENT
CHEVROLET TRAILBLAZER 2021 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET TRAILBLAZER 2021 120000 EXTERIOR LIGHTING
CHEVROLET TRAILBLAZER 2021 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET TRAILBLAZER 2021 350000 EQUIPMENT
CHEVROLET TRAVERSE 2021 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET TRAVERSE 2021 120000 EXTERIOR LIGHTING
CHEVROLET TRAVERSE 2021 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET TRAVERSE 2021 350000 EQUIPMENT
CHEVROLET TRAX 2021 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET TRAX 2021 120000 EXTERIOR LIGHTING
CHEVROLET TRAX 2021 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET TRAX 2021 350000 EQUIPMENT
CADILLAC XT4 2021 170000 LATCHES/LOCKS/LINKAGES
CADILLAC XT4 2021 120000 EXTERIOR LIGHTING
CADILLAC XT4 2021 170000 LATCHES/LOCKS/LINKAGES
CADILLAC XT4 2021 350000 EQUIPMENT
CADILLAC XT5 2021 170000 LATCHES/LOCKS/LINKAGES
CADILLAC XT5 2021 120000 EXTERIOR LIGHTING
CADILLAC XT5 2021 170000 LATCHES/LOCKS/LINKAGES
CADILLAC XT5 2021 350000 EQUIPMENT
CADILLAC XT6 2021 170000 LATCHES/LOCKS/LINKAGES
CADILLAC XT6 2021 120000 EXTERIOR LIGHTING
CADILLAC XT6 2021 170000 LATCHES/LOCKS/LINKAGES
CADILLAC XT6 2021 350000 EQUIPMENT
GMC YUKON 2021 170000 LATCHES/LOCKS/LINKAGES
GMC YUKON 2021 120000 EXTERIOR LIGHTING
GMC YUKON 2021 170000 LATCHES/LOCKS/LINKAGES
GMC YUKON 2021 350000 EQUIPMENT
GMC ACADIA 2020 170000 LATCHES/LOCKS/LINKAGES
GMC ACADIA 2020 120000 EXTERIOR LIGHTING
GMC ACADIA 2020 170000 LATCHES/LOCKS/LINKAGES
GMC ACADIA 2020 350000 EQUIPMENT
CHEVROLET BLAZER 2020 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET BLAZER 2020 120000 EXTERIOR LIGHTING
CHEVROLET BLAZER 2020 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET BLAZER 2020 350000 EQUIPMENT
CHEVROLET BOLT EV 2020 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET BOLT EV 2020 120000 EXTERIOR LIGHTING
CHEVROLET BOLT EV 2020 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET BOLT EV 2020 350000 EQUIPMENT
CHEVROLET CAMARO 2020 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET CAMARO 2020 120000 EXTERIOR LIGHTING
CHEVROLET CAMARO 2020 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET CAMARO 2020 350000 EQUIPMENT
CADILLAC CT4 2020 120000 EXTERIOR LIGHTING
CADILLAC CT4 2020 170000 LATCHES/LOCKS/LINKAGES
CADILLAC CT4 2020 350000 EQUIPMENT
CADILLAC CT4 2020 170000 LATCHES/LOCKS/LINKAGES
CADILLAC CT5 2020 170000 LATCHES/LOCKS/LINKAGES
CADILLAC CT5 2020 120000 EXTERIOR LIGHTING
CADILLAC CT5 2020 170000 LATCHES/LOCKS/LINKAGES
CADILLAC CT5 2020 350000 EQUIPMENT
CADILLAC CT6 2020 170000 LATCHES/LOCKS/LINKAGES
CADILLAC CT6 2020 120000 EXTERIOR LIGHTING
CADILLAC CT6 2020 170000 LATCHES/LOCKS/LINKAGES
CADILLAC CT6 2020 350000 EQUIPMENT
BUICK ENCLAVE 2020 120000 EXTERIOR LIGHTING
BUICK ENCLAVE 2020 170000 LATCHES/LOCKS/LINKAGES
BUICK ENCLAVE 2020 350000 EQUIPMENT
BUICK ENCLAVE 2020 170000 LATCHES/LOCKS/LINKAGES
BUICK ENCORE 2020 120000 EXTERIOR LIGHTING
BUICK ENCORE 2020 170000 LATCHES/LOCKS/LINKAGES
BUICK ENCORE 2020 350000 EQUIPMENT
BUICK ENCORE 2020 170000 LATCHES/LOCKS/LINKAGES
BUICK ENCORE GX 2020 170000 LATCHES/LOCKS/LINKAGES
BUICK ENCORE GX 2020 120000 EXTERIOR LIGHTING
BUICK ENCORE GX 2020 170000 LATCHES/LOCKS/LINKAGES
BUICK ENCORE GX 2020 350000 EQUIPMENT
BUICK ENVISION 2020 120000 EXTERIOR LIGHTING
BUICK ENVISION 2020 170000 LATCHES/LOCKS/LINKAGES
BUICK ENVISION 2020 350000 EQUIPMENT
BUICK ENVISION 2020 170000 LATCHES/LOCKS/LINKAGES
CADILLAC ESCALADE 2020 120000 EXTERIOR LIGHTING
CADILLAC ESCALADE 2020 170000 LATCHES/LOCKS/LINKAGES
CADILLAC ESCALADE 2020 350000 EQUIPMENT
CADILLAC ESCALADE 2020 170000 LATCHES/LOCKS/LINKAGES
CADILLAC ESCALADE ESV 2020 120000 EXTERIOR LIGHTING
CADILLAC ESCALADE ESV 2020 170000 LATCHES/LOCKS/LINKAGES
CADILLAC ESCALADE ESV 2020 350000 EQUIPMENT
CADILLAC ESCALADE ESV 2020 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET MALIBU 2020 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET MALIBU 2020 120000 EXTERIOR LIGHTING
CHEVROLET MALIBU 2020 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET MALIBU 2020 350000 EQUIPMENT
GMC SIERRA 1500 2020 170000 LATCHES/LOCKS/LINKAGES
GMC SIERRA 1500 2020 120000 EXTERIOR LIGHTING
GMC SIERRA 1500 2020 170000 LATCHES/LOCKS/LINKAGES
GMC SIERRA 1500 2020 350000 EQUIPMENT
GMC SIERRA 2500 2020 170000 LATCHES/LOCKS/LINKAGES
GMC SIERRA 2500 2020 120000 EXTERIOR LIGHTING
GMC SIERRA 2500 2020 170000 LATCHES/LOCKS/LINKAGES
GMC SIERRA 2500 2020 350000 EQUIPMENT
GMC SIERRA 3500 2020 170000 LATCHES/LOCKS/LINKAGES
GMC SIERRA 3500 2020 120000 EXTERIOR LIGHTING
GMC SIERRA 3500 2020 170000 LATCHES/LOCKS/LINKAGES
GMC SIERRA 3500 2020 350000 EQUIPMENT
GMC SIERRA DENALI 2020 120000 EXTERIOR LIGHTING
GMC SIERRA DENALI 2020 170000 LATCHES/LOCKS/LINKAGES
GMC SIERRA DENALI 2020 350000 EQUIPMENT
CHEVROLET SILVERADO 1500 2020 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SILVERADO 1500 2020 120000 EXTERIOR LIGHTING
CHEVROLET SILVERADO 1500 2020 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SILVERADO 1500 2020 350000 EQUIPMENT
CHEVROLET SILVERADO 2500 2020 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SILVERADO 2500 2020 120000 EXTERIOR LIGHTING
CHEVROLET SILVERADO 2500 2020 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SILVERADO 2500 2020 350000 EQUIPMENT
CHEVROLET SILVERADO 3500 2020 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SILVERADO 3500 2020 120000 EXTERIOR LIGHTING
CHEVROLET SILVERADO 3500 2020 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SILVERADO 3500 2020 350000 EQUIPMENT
CHEVROLET SILVERADO 4500HD 2020 120000 EXTERIOR LIGHTING
CHEVROLET SILVERADO 4500HD 2020 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SILVERADO 4500HD 2020 350000 EQUIPMENT
CHEVROLET SILVERADO 5500HD 2020 120000 EXTERIOR LIGHTING
CHEVROLET SILVERADO 5500HD 2020 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SILVERADO 5500HD 2020 350000 EQUIPMENT
CHEVROLET SILVERADO 6500HD 2020 120000 EXTERIOR LIGHTING
CHEVROLET SILVERADO 6500HD 2020 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SILVERADO 6500HD 2020 350000 EQUIPMENT
CHEVROLET SPARK 2020 120000 EXTERIOR LIGHTING
CHEVROLET SPARK 2020 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SPARK 2020 350000 EQUIPMENT
CHEVROLET SPARK 2020 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SUBURBAN 2020 120000 EXTERIOR LIGHTING
CHEVROLET SUBURBAN 2020 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SUBURBAN 2020 350000 EQUIPMENT
CHEVROLET SUBURBAN 2020 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET TAHOE 2020 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET TAHOE 2020 120000 EXTERIOR LIGHTING
CHEVROLET TAHOE 2020 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET TAHOE 2020 350000 EQUIPMENT
CHEVROLET TRAVERSE 2020 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET TRAVERSE 2020 120000 EXTERIOR LIGHTING
CHEVROLET TRAVERSE 2020 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET TRAVERSE 2020 350000 EQUIPMENT
CHEVROLET TRAX 2020 120000 EXTERIOR LIGHTING
CHEVROLET TRAX 2020 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET TRAX 2020 350000 EQUIPMENT
CHEVROLET TRAX 2020 170000 LATCHES/LOCKS/LINKAGES
CADILLAC XT4 2020 120000 EXTERIOR LIGHTING
CADILLAC XT4 2020 170000 LATCHES/LOCKS/LINKAGES
CADILLAC XT4 2020 350000 EQUIPMENT
CADILLAC XT4 2020 170000 LATCHES/LOCKS/LINKAGES
CADILLAC XT5 2020 120000 EXTERIOR LIGHTING
CADILLAC XT5 2020 170000 LATCHES/LOCKS/LINKAGES
CADILLAC XT5 2020 350000 EQUIPMENT
CADILLAC XT5 2020 170000 LATCHES/LOCKS/LINKAGES
CADILLAC XT6 2020 120000 EXTERIOR LIGHTING
CADILLAC XT6 2020 170000 LATCHES/LOCKS/LINKAGES
CADILLAC XT6 2020 350000 EQUIPMENT
CADILLAC XT6 2020 170000 LATCHES/LOCKS/LINKAGES
GMC YUKON 2020 170000 LATCHES/LOCKS/LINKAGES
GMC YUKON 2020 120000 EXTERIOR LIGHTING
GMC YUKON 2020 170000 LATCHES/LOCKS/LINKAGES
GMC YUKON 2020 350000 EQUIPMENT
CHEVROLET BLAZER 2019 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET BLAZER 2019 120000 EXTERIOR LIGHTING
CHEVROLET BLAZER 2019 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET BLAZER 2019 350000 EQUIPMENT
CHEVROLET BOLT EV 2019 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET BOLT EV 2019 120000 EXTERIOR LIGHTING
CHEVROLET BOLT EV 2019 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET BOLT EV 2019 350000 EQUIPMENT
CHEVROLET CAMARO 2019 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET CAMARO 2019 120000 EXTERIOR LIGHTING
CHEVROLET CAMARO 2019 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET CAMARO 2019 350000 EQUIPMENT
CHEVROLET CRUZE 2019 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET CRUZE 2019 120000 EXTERIOR LIGHTING
CHEVROLET CRUZE 2019 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET CRUZE 2019 350000 EQUIPMENT
CADILLAC CT6 2019 170000 LATCHES/LOCKS/LINKAGES
CADILLAC CT6 2019 120000 EXTERIOR LIGHTING
CADILLAC CT6 2019 170000 LATCHES/LOCKS/LINKAGES
CADILLAC CT6 2019 350000 EQUIPMENT
BUICK ENCLAVE 2019 120000 EXTERIOR LIGHTING
BUICK ENCLAVE 2019 170000 LATCHES/LOCKS/LINKAGES
BUICK ENCLAVE 2019 350000 EQUIPMENT
BUICK ENCLAVE 2019 170000 LATCHES/LOCKS/LINKAGES
BUICK ENCORE 2019 120000 EXTERIOR LIGHTING
BUICK ENCORE 2019 170000 LATCHES/LOCKS/LINKAGES
BUICK ENCORE 2019 350000 EQUIPMENT
BUICK ENCORE 2019 170000 LATCHES/LOCKS/LINKAGES
BUICK ENVISION 2019 120000 EXTERIOR LIGHTING
BUICK ENVISION 2019 170000 LATCHES/LOCKS/LINKAGES
BUICK ENVISION 2019 350000 EQUIPMENT
BUICK ENVISION 2019 170000 LATCHES/LOCKS/LINKAGES
CADILLAC ESCALADE 2019 120000 EXTERIOR LIGHTING
CADILLAC ESCALADE 2019 170000 LATCHES/LOCKS/LINKAGES
CADILLAC ESCALADE 2019 350000 EQUIPMENT
CADILLAC ESCALADE 2019 170000 LATCHES/LOCKS/LINKAGES
CADILLAC ESCALADE ESV 2019 120000 EXTERIOR LIGHTING
CADILLAC ESCALADE ESV 2019 170000 LATCHES/LOCKS/LINKAGES
CADILLAC ESCALADE ESV 2019 350000 EQUIPMENT
CADILLAC ESCALADE ESV 2019 170000 LATCHES/LOCKS/LINKAGES
BUICK LACROSSE 2019 170000 LATCHES/LOCKS/LINKAGES
BUICK LACROSSE 2019 120000 EXTERIOR LIGHTING
BUICK LACROSSE 2019 170000 LATCHES/LOCKS/LINKAGES
BUICK LACROSSE 2019 350000 EQUIPMENT
CHEVROLET MALIBU 2019 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET MALIBU 2019 120000 EXTERIOR LIGHTING
CHEVROLET MALIBU 2019 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET MALIBU 2019 350000 EQUIPMENT
GMC SIERRA 1500 2019 170000 LATCHES/LOCKS/LINKAGES
GMC SIERRA 1500 2019 120000 EXTERIOR LIGHTING
GMC SIERRA 1500 2019 170000 LATCHES/LOCKS/LINKAGES
GMC SIERRA 1500 2019 350000 EQUIPMENT
GMC SIERRA 2500 2019 170000 LATCHES/LOCKS/LINKAGES
GMC SIERRA 3500 2019 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SILVERADO 1500 2019 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SILVERADO 1500 2019 120000 EXTERIOR LIGHTING
CHEVROLET SILVERADO 1500 2019 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SILVERADO 1500 2019 350000 EQUIPMENT
CHEVROLET SILVERADO 2500 2019 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SILVERADO 3500 2019 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SPARK 2019 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SPARK 2019 120000 EXTERIOR LIGHTING
CHEVROLET SPARK 2019 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SPARK 2019 350000 EQUIPMENT
CHEVROLET SUBURBAN 2019 120000 EXTERIOR LIGHTING
CHEVROLET SUBURBAN 2019 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SUBURBAN 2019 350000 EQUIPMENT
CHEVROLET SUBURBAN 2019 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET TAHOE 2019 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET TAHOE 2019 120000 EXTERIOR LIGHTING
CHEVROLET TAHOE 2019 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET TAHOE 2019 350000 EQUIPMENT
CHEVROLET TRAVERSE 2019 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET TRAVERSE 2019 120000 EXTERIOR LIGHTING
CHEVROLET TRAVERSE 2019 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET TRAVERSE 2019 350000 EQUIPMENT
CHEVROLET TRAX 2019 120000 EXTERIOR LIGHTING
CHEVROLET TRAX 2019 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET TRAX 2019 350000 EQUIPMENT
CHEVROLET TRAX 2019 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET VOLT 2019 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET VOLT 2019 120000 EXTERIOR LIGHTING
CHEVROLET VOLT 2019 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET VOLT 2019 350000 EQUIPMENT
CADILLAC XT4 2019 120000 EXTERIOR LIGHTING
CADILLAC XT4 2019 170000 LATCHES/LOCKS/LINKAGES
CADILLAC XT4 2019 350000 EQUIPMENT
CADILLAC XT4 2019 170000 LATCHES/LOCKS/LINKAGES
CADILLAC XT5 2019 120000 EXTERIOR LIGHTING
CADILLAC XT5 2019 170000 LATCHES/LOCKS/LINKAGES
CADILLAC XT5 2019 350000 EQUIPMENT
CADILLAC XT5 2019 170000 LATCHES/LOCKS/LINKAGES
GMC YUKON 2019 170000 LATCHES/LOCKS/LINKAGES
GMC YUKON 2019 120000 EXTERIOR LIGHTING
GMC YUKON 2019 170000 LATCHES/LOCKS/LINKAGES
GMC YUKON 2019 350000 EQUIPMENT

Related BUICK Recalls

CampaignModelYearComponentSummary
REGAL 2013 SUSPENSION:REAR General Motors, LLC (GM) is recalling certain 2012–2013 Buick Regal Turbo and...
REGAL 2012 SUSPENSION:REAR General Motors, LLC (GM) is recalling certain 2012–2013 Buick Regal Turbo and...
ENCLAVE 2026 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER ... General Motors has decided that certain 2027 Chevrolet Bolt EV, 2025-2026 Cad...
ENVISION 2026 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER ... General Motors has decided that certain 2027 Chevrolet Bolt EV, 2025-2026 Cad...
VERANO 2014 AIR BAGS:SIDE/WINDOW General Motors, LLC (GM) is recalling certain 2014 Buick Verano and Chevrolet...

What Should You Do?

If your vehicle is affected by this TSB, contact your authorized BUICK dealer. Bring this bulletin ID (18-NA-279) when you visit. If under warranty, the repair should be free. If your warranty has expired, ask about goodwill coverage — manufacturers sometimes cover TSB-related repairs beyond the warranty period.

Frequently Asked Questions

A recall is a mandatory safety fix — the manufacturer must repair every affected vehicle for free. A TSB is an advisory document that describes a known issue and the recommended fix, but repairs are not required. However, some TSBs eventually lead to recalls if the issue poses a safety risk. TSBs are generally issued for quality or performance problems, while recalls address safety defects.

If your vehicle is still under the manufacturer's warranty, TSB-related repairs are typically covered at no cost. If your warranty has expired, you can ask the dealer about goodwill or customer assistance programs. Many manufacturers will cover or partially cover repairs for well-known issues, especially if the TSB was issued recently or affects a large number of vehicles.

Check the make, model, and model year listed above against your vehicle. If they match, this bulletin likely applies. However, TSBs may only affect vehicles with specific production dates, VIN ranges, or configurations. Your dealer can confirm by entering your VIN into their service system, which will show all applicable TSBs and recalls.

This data comes from the National Highway Traffic Safety Administration (NHTSA). Manufacturers are required to submit copies of all communications (including TSBs) sent to their dealers to NHTSA. The agency makes this data publicly available as part of its vehicle safety monitoring program.