TSB: BUICK ACADIA, BLAZER, BOLT EV, CAMARO, CRUZE, CT4, CT5, CT6, ENCLAVE, ENCORE, ENCORE GX, ENVISION, ESCALADE, ESCALADE ESV, LACROSSE, MALIBU, SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SILVERADO 4500HD, SILVERADO 5500HD, SILVERADO 6500HD, SPARK, SUBURBAN, TAHOE, TRAILBLAZER, TRAVERSE, TRAX, VOLT, XT4, XT5, XT6, YUKON, YUKON XL (2019–2021)

Bulletin 18NA279 — May 29, 2019

Bulletin Details

Bulletin ID18NA279
ManufacturerBUICK
ModelsACADIA, BLAZER, BOLT EV, CAMARO, CRUZE, CT4, CT5, CT6, ENCLAVE, ENCORE, ENCORE GX, ENVISION, ESCALADE, ESCALADE ESV, LACROSSE, MALIBU, SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SILVERADO 4500HD, SILVERADO 5500HD, SILVERADO 6500HD, SPARK, SUBURBAN, TAHOE, TRAILBLAZER, TRAVERSE, TRAX, VOLT, XT4, XT5, XT6, YUKON, YUKON XL
Model Years2019–2021
Date IssuedMay 29, 2019
Date Added to NHTSAJuly 19, 2021
ComponentELECTRICAL SYSTEM
Vehicles Affected441 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 informational bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking.

Affected Vehicles

MakeModelYearComponent
GMC ACADIA 2021 170000 LATCHES/LOCKS/LINKAGES
GMC ACADIA 2021 110000 ELECTRICAL SYSTEM
GMC ACADIA 2021 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET BLAZER 2021 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET BLAZER 2021 110000 ELECTRICAL SYSTEM
CHEVROLET BLAZER 2021 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET CAMARO 2021 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET CAMARO 2021 110000 ELECTRICAL SYSTEM
CHEVROLET CAMARO 2021 170000 LATCHES/LOCKS/LINKAGES
CADILLAC CT4 2021 170000 LATCHES/LOCKS/LINKAGES
CADILLAC CT4 2021 110000 ELECTRICAL SYSTEM
CADILLAC CT4 2021 170000 LATCHES/LOCKS/LINKAGES
CADILLAC CT5 2021 170000 LATCHES/LOCKS/LINKAGES
CADILLAC CT5 2021 110000 ELECTRICAL SYSTEM
CADILLAC CT5 2021 170000 LATCHES/LOCKS/LINKAGES
BUICK ENCLAVE 2021 170000 LATCHES/LOCKS/LINKAGES
BUICK ENCLAVE 2021 110000 ELECTRICAL SYSTEM
BUICK ENCLAVE 2021 170000 LATCHES/LOCKS/LINKAGES
BUICK ENCORE 2021 170000 LATCHES/LOCKS/LINKAGES
BUICK ENCORE 2021 110000 ELECTRICAL SYSTEM
BUICK ENCORE 2021 170000 LATCHES/LOCKS/LINKAGES
BUICK ENCORE GX 2021 170000 LATCHES/LOCKS/LINKAGES
BUICK ENCORE GX 2021 110000 ELECTRICAL SYSTEM
BUICK ENCORE GX 2021 170000 LATCHES/LOCKS/LINKAGES
BUICK ENVISION 2021 170000 LATCHES/LOCKS/LINKAGES
BUICK ENVISION 2021 110000 ELECTRICAL SYSTEM
BUICK ENVISION 2021 170000 LATCHES/LOCKS/LINKAGES
CADILLAC ESCALADE 2021 170000 LATCHES/LOCKS/LINKAGES
CADILLAC ESCALADE 2021 110000 ELECTRICAL SYSTEM
CADILLAC ESCALADE 2021 170000 LATCHES/LOCKS/LINKAGES
CADILLAC ESCALADE ESV 2021 170000 LATCHES/LOCKS/LINKAGES
CADILLAC ESCALADE ESV 2021 110000 ELECTRICAL SYSTEM
CADILLAC ESCALADE ESV 2021 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET MALIBU 2021 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET MALIBU 2021 110000 ELECTRICAL SYSTEM
CHEVROLET MALIBU 2021 170000 LATCHES/LOCKS/LINKAGES
GMC SIERRA 1500 2021 170000 LATCHES/LOCKS/LINKAGES
GMC SIERRA 1500 2021 110000 ELECTRICAL SYSTEM
GMC SIERRA 1500 2021 170000 LATCHES/LOCKS/LINKAGES
GMC SIERRA 2500 2021 170000 LATCHES/LOCKS/LINKAGES
GMC SIERRA 2500 2021 110000 ELECTRICAL SYSTEM
GMC SIERRA 2500 2021 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SILVERADO 1500 2021 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SILVERADO 1500 2021 110000 ELECTRICAL SYSTEM
CHEVROLET SILVERADO 1500 2021 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SILVERADO 2500 2021 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SILVERADO 2500 2021 110000 ELECTRICAL SYSTEM
CHEVROLET SILVERADO 2500 2021 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SILVERADO 4500HD 2021 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SILVERADO 4500HD 2021 110000 ELECTRICAL SYSTEM
CHEVROLET SILVERADO 4500HD 2021 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SPARK 2021 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SPARK 2021 110000 ELECTRICAL SYSTEM
CHEVROLET SPARK 2021 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SUBURBAN 2021 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SUBURBAN 2021 110000 ELECTRICAL SYSTEM
CHEVROLET SUBURBAN 2021 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET TAHOE 2021 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET TAHOE 2021 110000 ELECTRICAL SYSTEM
CHEVROLET TAHOE 2021 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET TRAILBLAZER 2021 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET TRAILBLAZER 2021 110000 ELECTRICAL SYSTEM
CHEVROLET TRAILBLAZER 2021 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET TRAVERSE 2021 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET TRAVERSE 2021 110000 ELECTRICAL SYSTEM
CHEVROLET TRAVERSE 2021 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET TRAX 2021 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET TRAX 2021 110000 ELECTRICAL SYSTEM
CHEVROLET TRAX 2021 170000 LATCHES/LOCKS/LINKAGES
CADILLAC XT4 2021 170000 LATCHES/LOCKS/LINKAGES
CADILLAC XT4 2021 110000 ELECTRICAL SYSTEM
CADILLAC XT4 2021 170000 LATCHES/LOCKS/LINKAGES
CADILLAC XT5 2021 170000 LATCHES/LOCKS/LINKAGES
CADILLAC XT5 2021 110000 ELECTRICAL SYSTEM
CADILLAC XT5 2021 170000 LATCHES/LOCKS/LINKAGES
CADILLAC XT6 2021 170000 LATCHES/LOCKS/LINKAGES
CADILLAC XT6 2021 110000 ELECTRICAL SYSTEM
CADILLAC XT6 2021 170000 LATCHES/LOCKS/LINKAGES
GMC YUKON 2021 170000 LATCHES/LOCKS/LINKAGES
GMC YUKON 2021 110000 ELECTRICAL SYSTEM
GMC YUKON 2021 170000 LATCHES/LOCKS/LINKAGES
GMC YUKON XL 2021 170000 LATCHES/LOCKS/LINKAGES
GMC YUKON XL 2021 110000 ELECTRICAL SYSTEM
GMC YUKON XL 2021 170000 LATCHES/LOCKS/LINKAGES
GMC ACADIA 2020 353000 EQUIPMENT:ELECTRICAL
GMC ACADIA 2020 162300 STRUCTURE:BODY:DOOR
GMC ACADIA 2020 171100 LATCHES/LOCKS/LINKAGES:DOORS:LATCH
GMC ACADIA 2020 170000 LATCHES/LOCKS/LINKAGES
GMC ACADIA 2020 110000 ELECTRICAL SYSTEM
GMC ACADIA 2020 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET BLAZER 2020 353000 EQUIPMENT:ELECTRICAL
CHEVROLET BLAZER 2020 162300 STRUCTURE:BODY:DOOR
CHEVROLET BLAZER 2020 171100 LATCHES/LOCKS/LINKAGES:DOORS:LATCH
CHEVROLET BLAZER 2020 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET BLAZER 2020 110000 ELECTRICAL SYSTEM
CHEVROLET BLAZER 2020 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET CAMARO 2020 353000 EQUIPMENT:ELECTRICAL
CHEVROLET CAMARO 2020 162300 STRUCTURE:BODY:DOOR
CHEVROLET CAMARO 2020 171100 LATCHES/LOCKS/LINKAGES:DOORS:LATCH
CHEVROLET CAMARO 2020 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET CAMARO 2020 110000 ELECTRICAL SYSTEM
CHEVROLET CAMARO 2020 170000 LATCHES/LOCKS/LINKAGES
CADILLAC CT4 2020 353000 EQUIPMENT:ELECTRICAL
CADILLAC CT4 2020 162300 STRUCTURE:BODY:DOOR
CADILLAC CT4 2020 171100 LATCHES/LOCKS/LINKAGES:DOORS:LATCH
CADILLAC CT4 2020 170000 LATCHES/LOCKS/LINKAGES
CADILLAC CT4 2020 110000 ELECTRICAL SYSTEM
CADILLAC CT4 2020 170000 LATCHES/LOCKS/LINKAGES
CADILLAC CT5 2020 353000 EQUIPMENT:ELECTRICAL
CADILLAC CT5 2020 162300 STRUCTURE:BODY:DOOR
CADILLAC CT5 2020 171100 LATCHES/LOCKS/LINKAGES:DOORS:LATCH
CADILLAC CT5 2020 170000 LATCHES/LOCKS/LINKAGES
CADILLAC CT5 2020 110000 ELECTRICAL SYSTEM
CADILLAC CT5 2020 170000 LATCHES/LOCKS/LINKAGES
CADILLAC CT6 2020 353000 EQUIPMENT:ELECTRICAL
CADILLAC CT6 2020 162300 STRUCTURE:BODY:DOOR
CADILLAC CT6 2020 171100 LATCHES/LOCKS/LINKAGES:DOORS:LATCH
CADILLAC CT6 2020 170000 LATCHES/LOCKS/LINKAGES
CADILLAC CT6 2020 110000 ELECTRICAL SYSTEM
CADILLAC CT6 2020 170000 LATCHES/LOCKS/LINKAGES
BUICK ENCLAVE 2020 162300 STRUCTURE:BODY:DOOR
BUICK ENCLAVE 2020 171100 LATCHES/LOCKS/LINKAGES:DOORS:LATCH
BUICK ENCLAVE 2020 170000 LATCHES/LOCKS/LINKAGES
BUICK ENCLAVE 2020 110000 ELECTRICAL SYSTEM
BUICK ENCLAVE 2020 170000 LATCHES/LOCKS/LINKAGES
BUICK ENCORE 2020 162300 STRUCTURE:BODY:DOOR
BUICK ENCORE 2020 171100 LATCHES/LOCKS/LINKAGES:DOORS:LATCH
BUICK ENCORE 2020 170000 LATCHES/LOCKS/LINKAGES
BUICK ENCORE 2020 110000 ELECTRICAL SYSTEM
BUICK ENCORE 2020 170000 LATCHES/LOCKS/LINKAGES
BUICK ENCORE GX 2020 170000 LATCHES/LOCKS/LINKAGES
BUICK ENCORE GX 2020 110000 ELECTRICAL SYSTEM
BUICK ENCORE GX 2020 170000 LATCHES/LOCKS/LINKAGES
BUICK ENVISION 2020 162300 STRUCTURE:BODY:DOOR
BUICK ENVISION 2020 171100 LATCHES/LOCKS/LINKAGES:DOORS:LATCH
BUICK ENVISION 2020 170000 LATCHES/LOCKS/LINKAGES
BUICK ENVISION 2020 110000 ELECTRICAL SYSTEM
BUICK ENVISION 2020 170000 LATCHES/LOCKS/LINKAGES
CADILLAC ESCALADE 2020 353000 EQUIPMENT:ELECTRICAL
CADILLAC ESCALADE 2020 162300 STRUCTURE:BODY:DOOR
CADILLAC ESCALADE 2020 171100 LATCHES/LOCKS/LINKAGES:DOORS:LATCH
CADILLAC ESCALADE 2020 170000 LATCHES/LOCKS/LINKAGES
CADILLAC ESCALADE 2020 110000 ELECTRICAL SYSTEM
CADILLAC ESCALADE 2020 170000 LATCHES/LOCKS/LINKAGES
CADILLAC ESCALADE ESV 2020 353000 EQUIPMENT:ELECTRICAL
CADILLAC ESCALADE ESV 2020 162300 STRUCTURE:BODY:DOOR
CADILLAC ESCALADE ESV 2020 171100 LATCHES/LOCKS/LINKAGES:DOORS:LATCH
CADILLAC ESCALADE ESV 2020 170000 LATCHES/LOCKS/LINKAGES
CADILLAC ESCALADE ESV 2020 110000 ELECTRICAL SYSTEM
CADILLAC ESCALADE ESV 2020 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET MALIBU 2020 353000 EQUIPMENT:ELECTRICAL
CHEVROLET MALIBU 2020 162300 STRUCTURE:BODY:DOOR
CHEVROLET MALIBU 2020 171100 LATCHES/LOCKS/LINKAGES:DOORS:LATCH
CHEVROLET MALIBU 2020 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET MALIBU 2020 110000 ELECTRICAL SYSTEM
CHEVROLET MALIBU 2020 170000 LATCHES/LOCKS/LINKAGES
GMC SIERRA 1500 2020 353000 EQUIPMENT:ELECTRICAL
GMC SIERRA 1500 2020 162300 STRUCTURE:BODY:DOOR
GMC SIERRA 1500 2020 171100 LATCHES/LOCKS/LINKAGES:DOORS:LATCH
GMC SIERRA 1500 2020 170000 LATCHES/LOCKS/LINKAGES
GMC SIERRA 1500 2020 110000 ELECTRICAL SYSTEM
GMC SIERRA 1500 2020 170000 LATCHES/LOCKS/LINKAGES
GMC SIERRA 2500 2020 353000 EQUIPMENT:ELECTRICAL
GMC SIERRA 2500 2020 170000 LATCHES/LOCKS/LINKAGES
GMC SIERRA 2500 2020 110000 ELECTRICAL SYSTEM
GMC SIERRA 2500 2020 170000 LATCHES/LOCKS/LINKAGES
GMC SIERRA 3500 2020 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SILVERADO 1500 2020 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SILVERADO 1500 2020 162300 STRUCTURE:BODY:DOOR
CHEVROLET SILVERADO 1500 2020 171100 LATCHES/LOCKS/LINKAGES:DOORS:LATCH
CHEVROLET SILVERADO 1500 2020 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SILVERADO 1500 2020 110000 ELECTRICAL SYSTEM
CHEVROLET SILVERADO 1500 2020 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SILVERADO 2500 2020 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SILVERADO 2500 2020 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SILVERADO 2500 2020 110000 ELECTRICAL SYSTEM
CHEVROLET SILVERADO 2500 2020 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SILVERADO 3500 2020 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SILVERADO 4500HD 2020 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SILVERADO 4500HD 2020 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SILVERADO 4500HD 2020 110000 ELECTRICAL SYSTEM
CHEVROLET SILVERADO 4500HD 2020 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SILVERADO 5500HD 2020 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SILVERADO 6500HD 2020 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SPARK 2020 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SPARK 2020 162300 STRUCTURE:BODY:DOOR
CHEVROLET SPARK 2020 171100 LATCHES/LOCKS/LINKAGES:DOORS:LATCH
CHEVROLET SPARK 2020 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SPARK 2020 110000 ELECTRICAL SYSTEM
CHEVROLET SPARK 2020 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SUBURBAN 2020 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SUBURBAN 2020 162300 STRUCTURE:BODY:DOOR
CHEVROLET SUBURBAN 2020 171100 LATCHES/LOCKS/LINKAGES:DOORS:LATCH
CHEVROLET SUBURBAN 2020 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SUBURBAN 2020 110000 ELECTRICAL SYSTEM
CHEVROLET SUBURBAN 2020 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET TAHOE 2020 353000 EQUIPMENT:ELECTRICAL
CHEVROLET TAHOE 2020 162300 STRUCTURE:BODY:DOOR
CHEVROLET TAHOE 2020 171100 LATCHES/LOCKS/LINKAGES:DOORS:LATCH
CHEVROLET TAHOE 2020 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET TAHOE 2020 110000 ELECTRICAL SYSTEM
CHEVROLET TAHOE 2020 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET TRAVERSE 2020 353000 EQUIPMENT:ELECTRICAL
CHEVROLET TRAVERSE 2020 162300 STRUCTURE:BODY:DOOR
CHEVROLET TRAVERSE 2020 171100 LATCHES/LOCKS/LINKAGES:DOORS:LATCH
CHEVROLET TRAVERSE 2020 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET TRAVERSE 2020 110000 ELECTRICAL SYSTEM
CHEVROLET TRAVERSE 2020 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET TRAX 2020 353000 EQUIPMENT:ELECTRICAL
CHEVROLET TRAX 2020 162300 STRUCTURE:BODY:DOOR
CHEVROLET TRAX 2020 171100 LATCHES/LOCKS/LINKAGES:DOORS:LATCH
CHEVROLET TRAX 2020 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET TRAX 2020 110000 ELECTRICAL SYSTEM
CHEVROLET TRAX 2020 170000 LATCHES/LOCKS/LINKAGES
CADILLAC XT4 2020 353000 EQUIPMENT:ELECTRICAL
CADILLAC XT4 2020 162300 STRUCTURE:BODY:DOOR
CADILLAC XT4 2020 171100 LATCHES/LOCKS/LINKAGES:DOORS:LATCH
CADILLAC XT4 2020 170000 LATCHES/LOCKS/LINKAGES
CADILLAC XT4 2020 110000 ELECTRICAL SYSTEM
CADILLAC XT4 2020 170000 LATCHES/LOCKS/LINKAGES
CADILLAC XT5 2020 353000 EQUIPMENT:ELECTRICAL
CADILLAC XT5 2020 162300 STRUCTURE:BODY:DOOR
CADILLAC XT5 2020 171100 LATCHES/LOCKS/LINKAGES:DOORS:LATCH
CADILLAC XT5 2020 170000 LATCHES/LOCKS/LINKAGES
CADILLAC XT5 2020 110000 ELECTRICAL SYSTEM
CADILLAC XT5 2020 170000 LATCHES/LOCKS/LINKAGES
CADILLAC XT6 2020 160000 STRUCTURE
CADILLAC XT6 2020 162300 STRUCTURE:BODY:DOOR
CADILLAC XT6 2020 170000 LATCHES/LOCKS/LINKAGES
CADILLAC XT6 2020 353000 EQUIPMENT:ELECTRICAL
CADILLAC XT6 2020 162300 STRUCTURE:BODY:DOOR
CADILLAC XT6 2020 171100 LATCHES/LOCKS/LINKAGES:DOORS:LATCH
CADILLAC XT6 2020 170000 LATCHES/LOCKS/LINKAGES
CADILLAC XT6 2020 110000 ELECTRICAL SYSTEM
CADILLAC XT6 2020 170000 LATCHES/LOCKS/LINKAGES
GMC YUKON 2020 353000 EQUIPMENT:ELECTRICAL
GMC YUKON 2020 162300 STRUCTURE:BODY:DOOR
GMC YUKON 2020 171100 LATCHES/LOCKS/LINKAGES:DOORS:LATCH
GMC YUKON 2020 170000 LATCHES/LOCKS/LINKAGES
GMC YUKON 2020 110000 ELECTRICAL SYSTEM
GMC YUKON 2020 170000 LATCHES/LOCKS/LINKAGES
GMC YUKON XL 2020 353000 EQUIPMENT:ELECTRICAL
GMC YUKON XL 2020 170000 LATCHES/LOCKS/LINKAGES
GMC YUKON XL 2020 110000 ELECTRICAL SYSTEM
GMC YUKON XL 2020 170000 LATCHES/LOCKS/LINKAGES
GMC ACADIA 2019 160000 STRUCTURE
GMC ACADIA 2019 162300 STRUCTURE:BODY:DOOR
GMC ACADIA 2019 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET BLAZER 2019 160000 STRUCTURE
CHEVROLET BLAZER 2019 162300 STRUCTURE:BODY:DOOR
CHEVROLET BLAZER 2019 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET BLAZER 2019 353000 EQUIPMENT:ELECTRICAL
CHEVROLET BLAZER 2019 162300 STRUCTURE:BODY:DOOR
CHEVROLET BLAZER 2019 171100 LATCHES/LOCKS/LINKAGES:DOORS:LATCH
CHEVROLET BLAZER 2019 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET BLAZER 2019 110000 ELECTRICAL SYSTEM
CHEVROLET BLAZER 2019 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET BOLT EV 2019 160000 STRUCTURE
CHEVROLET BOLT EV 2019 162300 STRUCTURE:BODY:DOOR
CHEVROLET BOLT EV 2019 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET BOLT EV 2019 353000 EQUIPMENT:ELECTRICAL
CHEVROLET BOLT EV 2019 162300 STRUCTURE:BODY:DOOR
CHEVROLET BOLT EV 2019 171100 LATCHES/LOCKS/LINKAGES:DOORS:LATCH
CHEVROLET BOLT EV 2019 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET BOLT EV 2019 110000 ELECTRICAL SYSTEM
CHEVROLET BOLT EV 2019 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET CAMARO 2019 160000 STRUCTURE
CHEVROLET CAMARO 2019 162300 STRUCTURE:BODY:DOOR
CHEVROLET CAMARO 2019 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET CAMARO 2019 353000 EQUIPMENT:ELECTRICAL
CHEVROLET CAMARO 2019 162300 STRUCTURE:BODY:DOOR
CHEVROLET CAMARO 2019 171100 LATCHES/LOCKS/LINKAGES:DOORS:LATCH
CHEVROLET CAMARO 2019 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET CAMARO 2019 110000 ELECTRICAL SYSTEM
CHEVROLET CAMARO 2019 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET CRUZE 2019 160000 STRUCTURE
CHEVROLET CRUZE 2019 162300 STRUCTURE:BODY:DOOR
CHEVROLET CRUZE 2019 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET CRUZE 2019 353000 EQUIPMENT:ELECTRICAL
CHEVROLET CRUZE 2019 162300 STRUCTURE:BODY:DOOR
CHEVROLET CRUZE 2019 171100 LATCHES/LOCKS/LINKAGES:DOORS:LATCH
CHEVROLET CRUZE 2019 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET CRUZE 2019 110000 ELECTRICAL SYSTEM
CHEVROLET CRUZE 2019 170000 LATCHES/LOCKS/LINKAGES
CADILLAC CT6 2019 160000 STRUCTURE
CADILLAC CT6 2019 162300 STRUCTURE:BODY:DOOR
CADILLAC CT6 2019 170000 LATCHES/LOCKS/LINKAGES
CADILLAC CT6 2019 353000 EQUIPMENT:ELECTRICAL
CADILLAC CT6 2019 162300 STRUCTURE:BODY:DOOR
CADILLAC CT6 2019 171100 LATCHES/LOCKS/LINKAGES:DOORS:LATCH
CADILLAC CT6 2019 170000 LATCHES/LOCKS/LINKAGES
CADILLAC CT6 2019 110000 ELECTRICAL SYSTEM
CADILLAC CT6 2019 170000 LATCHES/LOCKS/LINKAGES
BUICK ENCLAVE 2019 353000 EQUIPMENT:ELECTRICAL
BUICK ENCLAVE 2019 162300 STRUCTURE:BODY:DOOR
BUICK ENCLAVE 2019 171100 LATCHES/LOCKS/LINKAGES:DOORS:LATCH
BUICK ENCLAVE 2019 170000 LATCHES/LOCKS/LINKAGES
BUICK ENCLAVE 2019 110000 ELECTRICAL SYSTEM
BUICK ENCLAVE 2019 170000 LATCHES/LOCKS/LINKAGES
BUICK ENCORE 2019 353000 EQUIPMENT:ELECTRICAL
BUICK ENCORE 2019 162300 STRUCTURE:BODY:DOOR
BUICK ENCORE 2019 171100 LATCHES/LOCKS/LINKAGES:DOORS:LATCH
BUICK ENCORE 2019 170000 LATCHES/LOCKS/LINKAGES
BUICK ENCORE 2019 110000 ELECTRICAL SYSTEM
BUICK ENCORE 2019 170000 LATCHES/LOCKS/LINKAGES
BUICK ENVISION 2019 353000 EQUIPMENT:ELECTRICAL
BUICK ENVISION 2019 162300 STRUCTURE:BODY:DOOR
BUICK ENVISION 2019 171100 LATCHES/LOCKS/LINKAGES:DOORS:LATCH
BUICK ENVISION 2019 170000 LATCHES/LOCKS/LINKAGES
BUICK ENVISION 2019 110000 ELECTRICAL SYSTEM
BUICK ENVISION 2019 170000 LATCHES/LOCKS/LINKAGES
CADILLAC ESCALADE 2019 160000 STRUCTURE
CADILLAC ESCALADE 2019 162300 STRUCTURE:BODY:DOOR
CADILLAC ESCALADE 2019 170000 LATCHES/LOCKS/LINKAGES
CADILLAC ESCALADE 2019 353000 EQUIPMENT:ELECTRICAL
CADILLAC ESCALADE 2019 162300 STRUCTURE:BODY:DOOR
CADILLAC ESCALADE 2019 171100 LATCHES/LOCKS/LINKAGES:DOORS:LATCH
CADILLAC ESCALADE 2019 170000 LATCHES/LOCKS/LINKAGES
CADILLAC ESCALADE 2019 110000 ELECTRICAL SYSTEM
CADILLAC ESCALADE 2019 170000 LATCHES/LOCKS/LINKAGES
CADILLAC ESCALADE ESV 2019 160000 STRUCTURE
CADILLAC ESCALADE ESV 2019 162300 STRUCTURE:BODY:DOOR
CADILLAC ESCALADE ESV 2019 170000 LATCHES/LOCKS/LINKAGES
CADILLAC ESCALADE ESV 2019 353000 EQUIPMENT:ELECTRICAL
CADILLAC ESCALADE ESV 2019 162300 STRUCTURE:BODY:DOOR
CADILLAC ESCALADE ESV 2019 171100 LATCHES/LOCKS/LINKAGES:DOORS:LATCH
CADILLAC ESCALADE ESV 2019 170000 LATCHES/LOCKS/LINKAGES
CADILLAC ESCALADE ESV 2019 110000 ELECTRICAL SYSTEM
CADILLAC ESCALADE ESV 2019 170000 LATCHES/LOCKS/LINKAGES
BUICK LACROSSE 2019 353000 EQUIPMENT:ELECTRICAL
BUICK LACROSSE 2019 162300 STRUCTURE:BODY:DOOR
BUICK LACROSSE 2019 171100 LATCHES/LOCKS/LINKAGES:DOORS:LATCH
BUICK LACROSSE 2019 170000 LATCHES/LOCKS/LINKAGES
BUICK LACROSSE 2019 110000 ELECTRICAL SYSTEM
BUICK LACROSSE 2019 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET MALIBU 2019 160000 STRUCTURE
CHEVROLET MALIBU 2019 162300 STRUCTURE:BODY:DOOR
CHEVROLET MALIBU 2019 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET MALIBU 2019 353000 EQUIPMENT:ELECTRICAL
CHEVROLET MALIBU 2019 162300 STRUCTURE:BODY:DOOR
CHEVROLET MALIBU 2019 171100 LATCHES/LOCKS/LINKAGES:DOORS:LATCH
CHEVROLET MALIBU 2019 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET MALIBU 2019 110000 ELECTRICAL SYSTEM
CHEVROLET MALIBU 2019 170000 LATCHES/LOCKS/LINKAGES
GMC SIERRA 1500 2019 160000 STRUCTURE
GMC SIERRA 1500 2019 162300 STRUCTURE:BODY:DOOR
GMC SIERRA 1500 2019 170000 LATCHES/LOCKS/LINKAGES
GMC SIERRA 1500 2019 353000 EQUIPMENT:ELECTRICAL
GMC SIERRA 1500 2019 162300 STRUCTURE:BODY:DOOR
GMC SIERRA 1500 2019 171100 LATCHES/LOCKS/LINKAGES:DOORS:LATCH
GMC SIERRA 1500 2019 170000 LATCHES/LOCKS/LINKAGES
GMC SIERRA 1500 2019 110000 ELECTRICAL SYSTEM
GMC SIERRA 1500 2019 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SILVERADO 1500 2019 160000 STRUCTURE
CHEVROLET SILVERADO 1500 2019 162300 STRUCTURE:BODY:DOOR
CHEVROLET SILVERADO 1500 2019 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SILVERADO 1500 2019 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SILVERADO 1500 2019 162300 STRUCTURE:BODY:DOOR
CHEVROLET SILVERADO 1500 2019 171100 LATCHES/LOCKS/LINKAGES:DOORS:LATCH
CHEVROLET SILVERADO 1500 2019 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SILVERADO 1500 2019 110000 ELECTRICAL SYSTEM
CHEVROLET SILVERADO 1500 2019 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SPARK 2019 160000 STRUCTURE
CHEVROLET SPARK 2019 162300 STRUCTURE:BODY:DOOR
CHEVROLET SPARK 2019 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SPARK 2019 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SPARK 2019 162300 STRUCTURE:BODY:DOOR
CHEVROLET SPARK 2019 171100 LATCHES/LOCKS/LINKAGES:DOORS:LATCH
CHEVROLET SPARK 2019 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SPARK 2019 110000 ELECTRICAL SYSTEM
CHEVROLET SPARK 2019 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SUBURBAN 2019 160000 STRUCTURE
CHEVROLET SUBURBAN 2019 162300 STRUCTURE:BODY:DOOR
CHEVROLET SUBURBAN 2019 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SUBURBAN 2019 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SUBURBAN 2019 162300 STRUCTURE:BODY:DOOR
CHEVROLET SUBURBAN 2019 171100 LATCHES/LOCKS/LINKAGES:DOORS:LATCH
CHEVROLET SUBURBAN 2019 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET SUBURBAN 2019 110000 ELECTRICAL SYSTEM
CHEVROLET SUBURBAN 2019 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET TAHOE 2019 160000 STRUCTURE
CHEVROLET TAHOE 2019 162300 STRUCTURE:BODY:DOOR
CHEVROLET TAHOE 2019 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET TAHOE 2019 353000 EQUIPMENT:ELECTRICAL
CHEVROLET TAHOE 2019 162300 STRUCTURE:BODY:DOOR
CHEVROLET TAHOE 2019 171100 LATCHES/LOCKS/LINKAGES:DOORS:LATCH
CHEVROLET TAHOE 2019 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET TAHOE 2019 110000 ELECTRICAL SYSTEM
CHEVROLET TAHOE 2019 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET TRAVERSE 2019 353000 EQUIPMENT:ELECTRICAL
CHEVROLET TRAVERSE 2019 162300 STRUCTURE:BODY:DOOR
CHEVROLET TRAVERSE 2019 171100 LATCHES/LOCKS/LINKAGES:DOORS:LATCH
CHEVROLET TRAVERSE 2019 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET TRAVERSE 2019 110000 ELECTRICAL SYSTEM
CHEVROLET TRAVERSE 2019 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET TRAX 2019 160000 STRUCTURE
CHEVROLET TRAX 2019 162300 STRUCTURE:BODY:DOOR
CHEVROLET TRAX 2019 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET TRAX 2019 353000 EQUIPMENT:ELECTRICAL
CHEVROLET TRAX 2019 162300 STRUCTURE:BODY:DOOR
CHEVROLET TRAX 2019 171100 LATCHES/LOCKS/LINKAGES:DOORS:LATCH
CHEVROLET TRAX 2019 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET TRAX 2019 110000 ELECTRICAL SYSTEM
CHEVROLET TRAX 2019 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET VOLT 2019 160000 STRUCTURE
CHEVROLET VOLT 2019 162300 STRUCTURE:BODY:DOOR
CHEVROLET VOLT 2019 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET VOLT 2019 353000 EQUIPMENT:ELECTRICAL
CHEVROLET VOLT 2019 162300 STRUCTURE:BODY:DOOR
CHEVROLET VOLT 2019 171100 LATCHES/LOCKS/LINKAGES:DOORS:LATCH
CHEVROLET VOLT 2019 170000 LATCHES/LOCKS/LINKAGES
CHEVROLET VOLT 2019 110000 ELECTRICAL SYSTEM
CHEVROLET VOLT 2019 170000 LATCHES/LOCKS/LINKAGES
CADILLAC XT4 2019 160000 STRUCTURE
CADILLAC XT4 2019 162300 STRUCTURE:BODY:DOOR
CADILLAC XT4 2019 170000 LATCHES/LOCKS/LINKAGES
CADILLAC XT4 2019 353000 EQUIPMENT:ELECTRICAL
CADILLAC XT4 2019 162300 STRUCTURE:BODY:DOOR
CADILLAC XT4 2019 171100 LATCHES/LOCKS/LINKAGES:DOORS:LATCH
CADILLAC XT4 2019 170000 LATCHES/LOCKS/LINKAGES
CADILLAC XT4 2019 110000 ELECTRICAL SYSTEM
CADILLAC XT4 2019 170000 LATCHES/LOCKS/LINKAGES
CADILLAC XT5 2019 170000 LATCHES/LOCKS/LINKAGES
CADILLAC XT5 2019 110000 ELECTRICAL SYSTEM
CADILLAC XT5 2019 170000 LATCHES/LOCKS/LINKAGES
GMC YUKON 2019 160000 STRUCTURE
GMC YUKON 2019 162300 STRUCTURE:BODY:DOOR
GMC YUKON 2019 170000 LATCHES/LOCKS/LINKAGES
GMC YUKON 2019 353000 EQUIPMENT:ELECTRICAL
GMC YUKON 2019 162300 STRUCTURE:BODY:DOOR
GMC YUKON 2019 171100 LATCHES/LOCKS/LINKAGES:DOORS:LATCH
GMC YUKON 2019 170000 LATCHES/LOCKS/LINKAGES
GMC YUKON 2019 110000 ELECTRICAL SYSTEM
GMC YUKON 2019 170000 LATCHES/LOCKS/LINKAGES
GMC YUKON XL 2019 160000 STRUCTURE
GMC YUKON XL 2019 162300 STRUCTURE:BODY:DOOR
GMC YUKON XL 2019 170000 LATCHES/LOCKS/LINKAGES
GMC YUKON XL 2019 353000 EQUIPMENT:ELECTRICAL
GMC YUKON XL 2019 170000 LATCHES/LOCKS/LINKAGES
GMC YUKON XL 2019 110000 ELECTRICAL SYSTEM
GMC YUKON XL 2019 170000 LATCHES/LOCKS/LINKAGES

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 (18NA279) 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.