TSB: BUICK 4500XD, ACADIA, ATS, BLAZER, BOLT EV, CAMARO, CANYON, CAPRICE, CASCADA, CITY EXPRESS, COLORADO, CORVETTE, CRUZE, CT4, CT5, CT6, CTS, ELR, ENCLAVE, ENCORE, ENCORE GX, ENVISION, EQUINOX, ESCALADE, ESCALADE ESV, EXPRESS, IMPALA, LACROSSE, MALIBU, N300, N300 MAX, REGAL, SAVANA, SIERRA 1500, SIERRA 2500, SIERRA DENALI, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SILVERADO 4500HD, SONIC, SPARK, SPARK EV, SS, SUBURBAN, TAHOE, TERRAIN, TRAILBLAZER, TRAVERSE, TRAX, VERANO, VOLT, XT4, XT5, XT6, XTS, YUKON, YUKON XL (2017–2022)

Bulletin 21NA068 — March 17, 2021

Bulletin Details

Bulletin ID21NA068
ManufacturerBUICK
Models4500XD, ACADIA, ATS, BLAZER, BOLT EV, CAMARO, CANYON, CAPRICE, CASCADA, CITY EXPRESS, COLORADO, CORVETTE, CRUZE, CT4, CT5, CT6, CTS, ELR, ENCLAVE, ENCORE, ENCORE GX, ENVISION, EQUINOX, ESCALADE, ESCALADE ESV, EXPRESS, IMPALA, LACROSSE, MALIBU, N300, N300 MAX, REGAL, SAVANA, SIERRA 1500, SIERRA 2500, SIERRA DENALI, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SILVERADO 4500HD, SONIC, SPARK, SPARK EV, SS, SUBURBAN, TAHOE, TERRAIN, TRAILBLAZER, TRAVERSE, TRAX, VERANO, VOLT, XT4, XT5, XT6, XTS, YUKON, YUKON XL
Model Years2017–2022
Date IssuedMarch 17, 2021
Date Added to NHTSAMay 24, 2021
ComponentELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER
Vehicles Affected241 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 warranty administration bulletin provides policy information requirements applicable to key fob replacement under the New Vehicle Limited Warranty or under a Replacement Parts Warranty on 2017-2022 and newer model year vehicles with RP

Affected Vehicles

MakeModelYearComponent
CHEVROLET BOLT EV 2022 116340 ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER
CHEVROLET BOLT EV 2022 353000 EQUIPMENT:ELECTRICAL
CHEVROLET 4500XD 2021 116340 ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER
GMC ACADIA 2021 116340 ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER
GMC ACADIA 2021 353000 EQUIPMENT:ELECTRICAL
CHEVROLET BLAZER 2021 116340 ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER
CHEVROLET BLAZER 2021 353000 EQUIPMENT:ELECTRICAL
CHEVROLET BOLT EV 2021 116340 ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER
CHEVROLET BOLT EV 2021 353000 EQUIPMENT:ELECTRICAL
CHEVROLET CAMARO 2021 116340 ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER
CHEVROLET CAMARO 2021 353000 EQUIPMENT:ELECTRICAL
GMC CANYON 2021 116340 ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER
GMC CANYON 2021 353000 EQUIPMENT:ELECTRICAL
CHEVROLET COLORADO 2021 116340 ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER
CHEVROLET COLORADO 2021 353000 EQUIPMENT:ELECTRICAL
CHEVROLET CORVETTE 2021 116340 ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER
CHEVROLET CORVETTE 2021 353000 EQUIPMENT:ELECTRICAL
CADILLAC CT4 2021 116340 ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER
CADILLAC CT4 2021 353000 EQUIPMENT:ELECTRICAL
CADILLAC CT5 2021 116340 ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER
CADILLAC CT5 2021 353000 EQUIPMENT:ELECTRICAL
BUICK ENCLAVE 2021 116340 ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER
BUICK ENCLAVE 2021 353000 EQUIPMENT:ELECTRICAL
BUICK ENCORE 2021 116340 ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER
BUICK ENCORE 2021 353000 EQUIPMENT:ELECTRICAL
BUICK ENCORE GX 2021 116340 ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER
BUICK ENCORE GX 2021 353000 EQUIPMENT:ELECTRICAL
BUICK ENVISION 2021 116340 ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER
BUICK ENVISION 2021 353000 EQUIPMENT:ELECTRICAL
CHEVROLET EQUINOX 2021 116340 ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER
CHEVROLET EQUINOX 2021 353000 EQUIPMENT:ELECTRICAL
CADILLAC ESCALADE 2021 116340 ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER
CADILLAC ESCALADE 2021 353000 EQUIPMENT:ELECTRICAL
CADILLAC ESCALADE ESV 2021 116340 ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER
CADILLAC ESCALADE ESV 2021 353000 EQUIPMENT:ELECTRICAL
CHEVROLET EXPRESS 2021 116340 ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER
CHEVROLET EXPRESS 2021 353000 EQUIPMENT:ELECTRICAL
CHEVROLET MALIBU 2021 116340 ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER
CHEVROLET MALIBU 2021 353000 EQUIPMENT:ELECTRICAL
GMC SAVANA 2021 116340 ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER
GMC SAVANA 2021 353000 EQUIPMENT:ELECTRICAL
GMC SIERRA 1500 2021 116340 ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER
GMC SIERRA 1500 2021 353000 EQUIPMENT:ELECTRICAL
GMC SIERRA 2500 2021 116340 ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER
GMC SIERRA 2500 2021 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SILVERADO 1500 2021 116340 ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER
CHEVROLET SILVERADO 1500 2021 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SILVERADO 2500 2021 116340 ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER
CHEVROLET SILVERADO 2500 2021 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SILVERADO 3500 2021 116340 ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER
CHEVROLET SPARK 2021 116340 ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER
CHEVROLET SPARK 2021 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SUBURBAN 2021 116340 ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER
CHEVROLET SUBURBAN 2021 353000 EQUIPMENT:ELECTRICAL
CHEVROLET TAHOE 2021 116340 ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER
CHEVROLET TAHOE 2021 353000 EQUIPMENT:ELECTRICAL
GMC TERRAIN 2021 116340 ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER
GMC TERRAIN 2021 353000 EQUIPMENT:ELECTRICAL
CHEVROLET TRAILBLAZER 2021 116340 ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER
CHEVROLET TRAILBLAZER 2021 353000 EQUIPMENT:ELECTRICAL
CHEVROLET TRAVERSE 2021 116340 ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER
CHEVROLET TRAVERSE 2021 353000 EQUIPMENT:ELECTRICAL
CHEVROLET TRAX 2021 116340 ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER
CHEVROLET TRAX 2021 353000 EQUIPMENT:ELECTRICAL
CADILLAC XT4 2021 116340 ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER
CADILLAC XT4 2021 353000 EQUIPMENT:ELECTRICAL
CADILLAC XT5 2021 116340 ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER
CADILLAC XT5 2021 353000 EQUIPMENT:ELECTRICAL
CADILLAC XT6 2021 116340 ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER
CADILLAC XT6 2021 353000 EQUIPMENT:ELECTRICAL
GMC YUKON 2021 116340 ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER
GMC YUKON 2021 353000 EQUIPMENT:ELECTRICAL
GMC YUKON XL 2021 116340 ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER
GMC YUKON XL 2021 353000 EQUIPMENT:ELECTRICAL
GMC ACADIA 2020 353000 EQUIPMENT:ELECTRICAL
CHEVROLET BLAZER 2020 353000 EQUIPMENT:ELECTRICAL
CHEVROLET BOLT EV 2020 353000 EQUIPMENT:ELECTRICAL
CHEVROLET CAMARO 2020 353000 EQUIPMENT:ELECTRICAL
GMC CANYON 2020 353000 EQUIPMENT:ELECTRICAL
CHEVROLET COLORADO 2020 353000 EQUIPMENT:ELECTRICAL
CHEVROLET CORVETTE 2020 353000 EQUIPMENT:ELECTRICAL
CADILLAC CT4 2020 353000 EQUIPMENT:ELECTRICAL
CADILLAC CT5 2020 353000 EQUIPMENT:ELECTRICAL
CADILLAC CT6 2020 353000 EQUIPMENT:ELECTRICAL
BUICK ENCLAVE 2020 353000 EQUIPMENT:ELECTRICAL
BUICK ENCORE 2020 353000 EQUIPMENT:ELECTRICAL
BUICK ENCORE GX 2020 353000 EQUIPMENT:ELECTRICAL
BUICK ENVISION 2020 353000 EQUIPMENT:ELECTRICAL
CHEVROLET EQUINOX 2020 353000 EQUIPMENT:ELECTRICAL
CADILLAC ESCALADE 2020 353000 EQUIPMENT:ELECTRICAL
CADILLAC ESCALADE ESV 2020 353000 EQUIPMENT:ELECTRICAL
CHEVROLET EXPRESS 2020 353000 EQUIPMENT:ELECTRICAL
CHEVROLET IMPALA 2020 353000 EQUIPMENT:ELECTRICAL
CHEVROLET MALIBU 2020 353000 EQUIPMENT:ELECTRICAL
BUICK REGAL 2020 353000 EQUIPMENT:ELECTRICAL
GMC SAVANA 2020 353000 EQUIPMENT:ELECTRICAL
GMC SIERRA 1500 2020 353000 EQUIPMENT:ELECTRICAL
GMC SIERRA 2500 2020 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SILVERADO 1500 2020 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SILVERADO 2500 2020 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SILVERADO 4500HD 2020 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SONIC 2020 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SPARK 2020 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SUBURBAN 2020 353000 EQUIPMENT:ELECTRICAL
CHEVROLET TAHOE 2020 353000 EQUIPMENT:ELECTRICAL
GMC TERRAIN 2020 353000 EQUIPMENT:ELECTRICAL
CHEVROLET TRAVERSE 2020 353000 EQUIPMENT:ELECTRICAL
CHEVROLET TRAX 2020 353000 EQUIPMENT:ELECTRICAL
CADILLAC XT4 2020 353000 EQUIPMENT:ELECTRICAL
CADILLAC XT5 2020 353000 EQUIPMENT:ELECTRICAL
CADILLAC XT6 2020 353000 EQUIPMENT:ELECTRICAL
GMC YUKON 2020 353000 EQUIPMENT:ELECTRICAL
GMC YUKON XL 2020 353000 EQUIPMENT:ELECTRICAL
GMC ACADIA 2019 353000 EQUIPMENT:ELECTRICAL
CADILLAC ATS 2019 353000 EQUIPMENT:ELECTRICAL
CHEVROLET BLAZER 2019 353000 EQUIPMENT:ELECTRICAL
CHEVROLET BOLT EV 2019 353000 EQUIPMENT:ELECTRICAL
CHEVROLET CAMARO 2019 353000 EQUIPMENT:ELECTRICAL
GMC CANYON 2019 353000 EQUIPMENT:ELECTRICAL
BUICK CASCADA 2019 353000 EQUIPMENT:ELECTRICAL
CHEVROLET COLORADO 2019 353000 EQUIPMENT:ELECTRICAL
CHEVROLET CORVETTE 2019 353000 EQUIPMENT:ELECTRICAL
CHEVROLET CRUZE 2019 353000 EQUIPMENT:ELECTRICAL
CADILLAC CT6 2019 353000 EQUIPMENT:ELECTRICAL
CADILLAC CTS 2019 353000 EQUIPMENT:ELECTRICAL
BUICK ENCLAVE 2019 353000 EQUIPMENT:ELECTRICAL
BUICK ENCORE 2019 353000 EQUIPMENT:ELECTRICAL
BUICK ENVISION 2019 353000 EQUIPMENT:ELECTRICAL
CHEVROLET EQUINOX 2019 353000 EQUIPMENT:ELECTRICAL
CADILLAC ESCALADE 2019 353000 EQUIPMENT:ELECTRICAL
CADILLAC ESCALADE ESV 2019 353000 EQUIPMENT:ELECTRICAL
CHEVROLET EXPRESS 2019 353000 EQUIPMENT:ELECTRICAL
CHEVROLET IMPALA 2019 353000 EQUIPMENT:ELECTRICAL
BUICK LACROSSE 2019 353000 EQUIPMENT:ELECTRICAL
CHEVROLET MALIBU 2019 353000 EQUIPMENT:ELECTRICAL
BUICK REGAL 2019 353000 EQUIPMENT:ELECTRICAL
GMC SAVANA 2019 353000 EQUIPMENT:ELECTRICAL
GMC SIERRA 1500 2019 353000 EQUIPMENT:ELECTRICAL
GMC SIERRA 2500 2019 353000 EQUIPMENT:ELECTRICAL
GMC SIERRA DENALI 2019 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SILVERADO 1500 2019 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SILVERADO 2500 2019 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SILVERADO 4500HD 2019 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SONIC 2019 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SPARK 2019 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SUBURBAN 2019 353000 EQUIPMENT:ELECTRICAL
CHEVROLET TAHOE 2019 353000 EQUIPMENT:ELECTRICAL
GMC TERRAIN 2019 353000 EQUIPMENT:ELECTRICAL
CHEVROLET TRAVERSE 2019 353000 EQUIPMENT:ELECTRICAL
CHEVROLET TRAX 2019 353000 EQUIPMENT:ELECTRICAL
CHEVROLET VOLT 2019 353000 EQUIPMENT:ELECTRICAL
CADILLAC XT4 2019 353000 EQUIPMENT:ELECTRICAL
CADILLAC XT5 2019 353000 EQUIPMENT:ELECTRICAL
CADILLAC XTS 2019 353000 EQUIPMENT:ELECTRICAL
GMC YUKON 2019 353000 EQUIPMENT:ELECTRICAL
GMC YUKON XL 2019 353000 EQUIPMENT:ELECTRICAL
GMC ACADIA 2018 353000 EQUIPMENT:ELECTRICAL
CADILLAC ATS 2018 353000 EQUIPMENT:ELECTRICAL
CHEVROLET BOLT EV 2018 353000 EQUIPMENT:ELECTRICAL
CHEVROLET CAMARO 2018 353000 EQUIPMENT:ELECTRICAL
GMC CANYON 2018 353000 EQUIPMENT:ELECTRICAL
BUICK CASCADA 2018 353000 EQUIPMENT:ELECTRICAL
CHEVROLET COLORADO 2018 353000 EQUIPMENT:ELECTRICAL
CHEVROLET CORVETTE 2018 353000 EQUIPMENT:ELECTRICAL
CHEVROLET CRUZE 2018 353000 EQUIPMENT:ELECTRICAL
CADILLAC CT6 2018 353000 EQUIPMENT:ELECTRICAL
CADILLAC CTS 2018 353000 EQUIPMENT:ELECTRICAL
BUICK ENCLAVE 2018 353000 EQUIPMENT:ELECTRICAL
BUICK ENCORE 2018 353000 EQUIPMENT:ELECTRICAL
BUICK ENVISION 2018 353000 EQUIPMENT:ELECTRICAL
CHEVROLET EQUINOX 2018 353000 EQUIPMENT:ELECTRICAL
CADILLAC ESCALADE 2018 353000 EQUIPMENT:ELECTRICAL
CADILLAC ESCALADE ESV 2018 353000 EQUIPMENT:ELECTRICAL
CHEVROLET EXPRESS 2018 353000 EQUIPMENT:ELECTRICAL
CHEVROLET IMPALA 2018 353000 EQUIPMENT:ELECTRICAL
BUICK LACROSSE 2018 353000 EQUIPMENT:ELECTRICAL
CHEVROLET MALIBU 2018 353000 EQUIPMENT:ELECTRICAL
CHEVROLET N300 2018 353000 EQUIPMENT:ELECTRICAL
BUICK REGAL 2018 353000 EQUIPMENT:ELECTRICAL
GMC SAVANA 2018 353000 EQUIPMENT:ELECTRICAL
GMC SIERRA 2500 2018 353000 EQUIPMENT:ELECTRICAL
GMC SIERRA DENALI 2018 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SILVERADO 1500 2018 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SILVERADO 2500 2018 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SONIC 2018 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SPARK 2018 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SUBURBAN 2018 353000 EQUIPMENT:ELECTRICAL
CHEVROLET TAHOE 2018 353000 EQUIPMENT:ELECTRICAL
GMC TERRAIN 2018 353000 EQUIPMENT:ELECTRICAL
CHEVROLET TRAVERSE 2018 353000 EQUIPMENT:ELECTRICAL
CHEVROLET TRAX 2018 353000 EQUIPMENT:ELECTRICAL
CHEVROLET VOLT 2018 353000 EQUIPMENT:ELECTRICAL
CADILLAC XT5 2018 353000 EQUIPMENT:ELECTRICAL
CADILLAC XTS 2018 353000 EQUIPMENT:ELECTRICAL
GMC YUKON 2018 353000 EQUIPMENT:ELECTRICAL
GMC YUKON XL 2018 353000 EQUIPMENT:ELECTRICAL
GMC ACADIA 2017 353000 EQUIPMENT:ELECTRICAL
CADILLAC ATS 2017 353000 EQUIPMENT:ELECTRICAL
CHEVROLET BOLT EV 2017 353000 EQUIPMENT:ELECTRICAL
CHEVROLET CAMARO 2017 353000 EQUIPMENT:ELECTRICAL
GMC CANYON 2017 353000 EQUIPMENT:ELECTRICAL
CHEVROLET CAPRICE 2017 353000 EQUIPMENT:ELECTRICAL
BUICK CASCADA 2017 353000 EQUIPMENT:ELECTRICAL
CHEVROLET CITY EXPRESS 2017 353000 EQUIPMENT:ELECTRICAL
CHEVROLET COLORADO 2017 353000 EQUIPMENT:ELECTRICAL
CHEVROLET CORVETTE 2017 353000 EQUIPMENT:ELECTRICAL
CHEVROLET CRUZE 2017 353000 EQUIPMENT:ELECTRICAL
CADILLAC CT6 2017 353000 EQUIPMENT:ELECTRICAL
CADILLAC CTS 2017 353000 EQUIPMENT:ELECTRICAL
CADILLAC ELR 2017 353000 EQUIPMENT:ELECTRICAL
BUICK ENCLAVE 2017 353000 EQUIPMENT:ELECTRICAL
BUICK ENCORE 2017 353000 EQUIPMENT:ELECTRICAL
BUICK ENVISION 2017 353000 EQUIPMENT:ELECTRICAL
CHEVROLET EQUINOX 2017 353000 EQUIPMENT:ELECTRICAL
CADILLAC ESCALADE 2017 353000 EQUIPMENT:ELECTRICAL
CADILLAC ESCALADE ESV 2017 353000 EQUIPMENT:ELECTRICAL
CHEVROLET EXPRESS 2017 353000 EQUIPMENT:ELECTRICAL
CHEVROLET IMPALA 2017 353000 EQUIPMENT:ELECTRICAL
BUICK LACROSSE 2017 353000 EQUIPMENT:ELECTRICAL
CHEVROLET MALIBU 2017 353000 EQUIPMENT:ELECTRICAL
CHEVROLET N300 MAX 2017 353000 EQUIPMENT:ELECTRICAL
BUICK REGAL 2017 353000 EQUIPMENT:ELECTRICAL
GMC SAVANA 2017 353000 EQUIPMENT:ELECTRICAL
GMC SIERRA 2500 2017 353000 EQUIPMENT:ELECTRICAL
GMC SIERRA DENALI 2017 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SILVERADO 1500 2017 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SILVERADO 2500 2017 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SONIC 2017 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SPARK EV 2017 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SS 2017 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SUBURBAN 2017 353000 EQUIPMENT:ELECTRICAL
CHEVROLET TAHOE 2017 353000 EQUIPMENT:ELECTRICAL
GMC TERRAIN 2017 353000 EQUIPMENT:ELECTRICAL
CHEVROLET TRAVERSE 2017 353000 EQUIPMENT:ELECTRICAL
CHEVROLET TRAX 2017 353000 EQUIPMENT:ELECTRICAL
BUICK VERANO 2017 353000 EQUIPMENT:ELECTRICAL
CHEVROLET VOLT 2017 353000 EQUIPMENT:ELECTRICAL
CADILLAC XT5 2017 353000 EQUIPMENT:ELECTRICAL
CADILLAC XTS 2017 353000 EQUIPMENT:ELECTRICAL
GMC YUKON 2017 353000 EQUIPMENT:ELECTRICAL
GMC YUKON XL 2017 353000 EQUIPMENT:ELECTRICAL

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 (21NA068) 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.