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TSB: BUICK ACADIA, ATS, BLAZER, BOLT EV, CAMARO, CANYON, CAPRICE, CAPTIVA, CASCADA, CITY EXPRESS, COLORADO, CORVETTE, CRUZE, CT4, CT5, CT6, CTS, ELR, ENCLAVE, ENCORE, ENVISION, EQUINOX, ESCALADE, ESCALADE ESV, EXPRESS, EXPRESS 4500, IMPALA, LACROSSE, MALIBU, REGAL, SAVANA, SIERRA 1500, SIERRA 2500, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SONIC, SPARK, SRX, SS, SUBURBAN, TAHOE, TERRAIN, TRAILBLAZER, TRAVERSE, TRAX, VERANO, VOLT, XT4, XT5, XT6, XTS, YUKON (2015–2022)

Bulletin PIC6450 — February 24, 2022

Bulletin Details

Bulletin IDPIC6450
ManufacturerBUICK
ModelsACADIA, ATS, BLAZER, BOLT EV, CAMARO, CANYON, CAPRICE, CAPTIVA, CASCADA, CITY EXPRESS, COLORADO, CORVETTE, CRUZE, CT4, CT5, CT6, CTS, ELR, ENCLAVE, ENCORE, ENVISION, EQUINOX, ESCALADE, ESCALADE ESV, EXPRESS, EXPRESS 4500, IMPALA, LACROSSE, MALIBU, REGAL, SAVANA, SIERRA 1500, SIERRA 2500, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SONIC, SPARK, SRX, SS, SUBURBAN, TAHOE, TERRAIN, TRAILBLAZER, TRAVERSE, TRAX, VERANO, VOLT, XT4, XT5, XT6, XTS, YUKON
Model Years2015–2022
Date IssuedFebruary 24, 2022
Date Added to NHTSAMarch 14, 2022
ComponentELECTRICAL SYSTEM
Vehicles Affected283 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 Preliminary information communicates a process to correct the concern of Unable to contact OnStar after the 3G EOL on 2015-2022 model year vehicles in the United States.

Affected Vehicles

MakeModelYearComponent
GMC ACADIA 2022 110000 ELECTRICAL SYSTEM
CHEVROLET BLAZER 2022 110000 ELECTRICAL SYSTEM
CHEVROLET BOLT EV 2022 110000 ELECTRICAL SYSTEM
CHEVROLET CAMARO 2022 110000 ELECTRICAL SYSTEM
GMC CANYON 2022 110000 ELECTRICAL SYSTEM
CHEVROLET COLORADO 2022 110000 ELECTRICAL SYSTEM
CADILLAC CT4 2022 110000 ELECTRICAL SYSTEM
CADILLAC CT5 2022 110000 ELECTRICAL SYSTEM
BUICK ENCLAVE 2022 110000 ELECTRICAL SYSTEM
BUICK ENCORE 2022 110000 ELECTRICAL SYSTEM
BUICK ENVISION 2022 110000 ELECTRICAL SYSTEM
CHEVROLET EQUINOX 2022 110000 ELECTRICAL SYSTEM
CADILLAC ESCALADE 2022 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 2022 110000 ELECTRICAL SYSTEM
CHEVROLET MALIBU 2022 110000 ELECTRICAL SYSTEM
GMC SAVANA 2022 110000 ELECTRICAL SYSTEM
GMC SIERRA 1500 2022 110000 ELECTRICAL SYSTEM
CHEVROLET SILVERADO 2500 2022 110000 ELECTRICAL SYSTEM
CHEVROLET SUBURBAN 2022 110000 ELECTRICAL SYSTEM
CHEVROLET TAHOE 2022 110000 ELECTRICAL SYSTEM
GMC TERRAIN 2022 110000 ELECTRICAL SYSTEM
CHEVROLET TRAILBLAZER 2022 110000 ELECTRICAL SYSTEM
CHEVROLET TRAVERSE 2022 110000 ELECTRICAL SYSTEM
CHEVROLET TRAX 2022 110000 ELECTRICAL SYSTEM
CADILLAC XT4 2022 110000 ELECTRICAL SYSTEM
CADILLAC XT5 2022 110000 ELECTRICAL SYSTEM
CADILLAC XT6 2022 110000 ELECTRICAL SYSTEM
GMC YUKON 2022 110000 ELECTRICAL SYSTEM
GMC ACADIA 2021 110000 ELECTRICAL SYSTEM
CHEVROLET BLAZER 2021 110000 ELECTRICAL SYSTEM
CHEVROLET BOLT EV 2021 110000 ELECTRICAL SYSTEM
CHEVROLET CAMARO 2021 110000 ELECTRICAL SYSTEM
GMC CANYON 2021 110000 ELECTRICAL SYSTEM
CHEVROLET COLORADO 2021 110000 ELECTRICAL SYSTEM
CADILLAC CT4 2021 110000 ELECTRICAL SYSTEM
CADILLAC CT5 2021 110000 ELECTRICAL SYSTEM
BUICK ENCLAVE 2021 110000 ELECTRICAL SYSTEM
BUICK ENCORE 2021 110000 ELECTRICAL SYSTEM
BUICK ENVISION 2021 110000 ELECTRICAL SYSTEM
CHEVROLET EQUINOX 2021 110000 ELECTRICAL SYSTEM
CADILLAC ESCALADE 2021 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 2021 110000 ELECTRICAL SYSTEM
CHEVROLET MALIBU 2021 110000 ELECTRICAL SYSTEM
GMC SAVANA 2021 110000 ELECTRICAL SYSTEM
GMC SIERRA 1500 2021 110000 ELECTRICAL SYSTEM
CHEVROLET SILVERADO 1500 2021 110000 ELECTRICAL SYSTEM
CHEVROLET SPARK 2021 110000 ELECTRICAL SYSTEM
CHEVROLET SUBURBAN 2021 110000 ELECTRICAL SYSTEM
CHEVROLET TAHOE 2021 110000 ELECTRICAL SYSTEM
GMC TERRAIN 2021 110000 ELECTRICAL SYSTEM
CHEVROLET TRAILBLAZER 2021 110000 ELECTRICAL SYSTEM
CHEVROLET TRAVERSE 2021 110000 ELECTRICAL SYSTEM
CHEVROLET TRAX 2021 110000 ELECTRICAL SYSTEM
CADILLAC XT4 2021 110000 ELECTRICAL SYSTEM
CADILLAC XT5 2021 110000 ELECTRICAL SYSTEM
CADILLAC XT6 2021 110000 ELECTRICAL SYSTEM
GMC YUKON 2021 110000 ELECTRICAL SYSTEM
GMC ACADIA 2020 110000 ELECTRICAL SYSTEM
CHEVROLET BLAZER 2020 110000 ELECTRICAL SYSTEM
CHEVROLET BOLT EV 2020 110000 ELECTRICAL SYSTEM
CHEVROLET CAMARO 2020 110000 ELECTRICAL SYSTEM
GMC CANYON 2020 110000 ELECTRICAL SYSTEM
CHEVROLET COLORADO 2020 110000 ELECTRICAL SYSTEM
CHEVROLET CORVETTE 2020 110000 ELECTRICAL SYSTEM
CADILLAC CT4 2020 110000 ELECTRICAL SYSTEM
CADILLAC CT5 2020 110000 ELECTRICAL SYSTEM
CADILLAC CT6 2020 110000 ELECTRICAL SYSTEM
BUICK ENCLAVE 2020 110000 ELECTRICAL SYSTEM
BUICK ENCORE 2020 110000 ELECTRICAL SYSTEM
BUICK ENVISION 2020 110000 ELECTRICAL SYSTEM
CHEVROLET EQUINOX 2020 110000 ELECTRICAL SYSTEM
CADILLAC ESCALADE 2020 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 2020 110000 ELECTRICAL SYSTEM
CHEVROLET IMPALA 2020 110000 ELECTRICAL SYSTEM
CHEVROLET MALIBU 2020 110000 ELECTRICAL SYSTEM
BUICK REGAL 2020 110000 ELECTRICAL SYSTEM
GMC SAVANA 2020 110000 ELECTRICAL SYSTEM
GMC SIERRA 2500 2020 110000 ELECTRICAL SYSTEM
CHEVROLET SILVERADO 2500 2020 110000 ELECTRICAL SYSTEM
CHEVROLET SONIC 2020 110000 ELECTRICAL SYSTEM
CHEVROLET SPARK 2020 110000 ELECTRICAL SYSTEM
CHEVROLET SUBURBAN 2020 110000 ELECTRICAL SYSTEM
CHEVROLET TAHOE 2020 110000 ELECTRICAL SYSTEM
GMC TERRAIN 2020 110000 ELECTRICAL SYSTEM
CHEVROLET TRAVERSE 2020 110000 ELECTRICAL SYSTEM
CHEVROLET TRAX 2020 110000 ELECTRICAL SYSTEM
CADILLAC XT4 2020 110000 ELECTRICAL SYSTEM
CADILLAC XT5 2020 110000 ELECTRICAL SYSTEM
CADILLAC XT6 2020 110000 ELECTRICAL SYSTEM
GMC YUKON 2020 110000 ELECTRICAL SYSTEM
GMC ACADIA 2019 110000 ELECTRICAL SYSTEM
CADILLAC ATS 2019 110000 ELECTRICAL SYSTEM
CHEVROLET BLAZER 2019 110000 ELECTRICAL SYSTEM
CHEVROLET BOLT EV 2019 110000 ELECTRICAL SYSTEM
CHEVROLET CAMARO 2019 110000 ELECTRICAL SYSTEM
GMC CANYON 2019 110000 ELECTRICAL SYSTEM
BUICK CASCADA 2019 110000 ELECTRICAL SYSTEM
CHEVROLET COLORADO 2019 110000 ELECTRICAL SYSTEM
CHEVROLET CORVETTE 2019 110000 ELECTRICAL SYSTEM
CHEVROLET CRUZE 2019 110000 ELECTRICAL SYSTEM
CADILLAC CT6 2019 110000 ELECTRICAL SYSTEM
CADILLAC CTS 2019 110000 ELECTRICAL SYSTEM
BUICK ENCLAVE 2019 110000 ELECTRICAL SYSTEM
BUICK ENCORE 2019 110000 ELECTRICAL SYSTEM
BUICK ENVISION 2019 110000 ELECTRICAL SYSTEM
CHEVROLET EQUINOX 2019 110000 ELECTRICAL SYSTEM
CADILLAC ESCALADE 2019 110000 ELECTRICAL SYSTEM
CADILLAC ESCALADE ESV 2019 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 2019 110000 ELECTRICAL SYSTEM
CHEVROLET IMPALA 2019 110000 ELECTRICAL SYSTEM
BUICK LACROSSE 2019 110000 ELECTRICAL SYSTEM
CHEVROLET MALIBU 2019 110000 ELECTRICAL SYSTEM
BUICK REGAL 2019 110000 ELECTRICAL SYSTEM
GMC SAVANA 2019 110000 ELECTRICAL SYSTEM
GMC SIERRA 1500 2019 110000 ELECTRICAL SYSTEM
CHEVROLET SILVERADO 1500 2019 110000 ELECTRICAL SYSTEM
CHEVROLET SILVERADO 2500 2019 110000 ELECTRICAL SYSTEM
CHEVROLET SONIC 2019 110000 ELECTRICAL SYSTEM
CHEVROLET SPARK 2019 110000 ELECTRICAL SYSTEM
CHEVROLET SUBURBAN 2019 110000 ELECTRICAL SYSTEM
CHEVROLET TAHOE 2019 110000 ELECTRICAL SYSTEM
GMC TERRAIN 2019 110000 ELECTRICAL SYSTEM
CHEVROLET TRAILBLAZER 2019 110000 ELECTRICAL SYSTEM
CHEVROLET TRAVERSE 2019 110000 ELECTRICAL SYSTEM
CHEVROLET TRAX 2019 110000 ELECTRICAL SYSTEM
CHEVROLET VOLT 2019 110000 ELECTRICAL SYSTEM
CADILLAC XT4 2019 110000 ELECTRICAL SYSTEM
CADILLAC XT5 2019 110000 ELECTRICAL SYSTEM
CADILLAC XTS 2019 110000 ELECTRICAL SYSTEM
GMC YUKON 2019 110000 ELECTRICAL SYSTEM
GMC ACADIA 2018 110000 ELECTRICAL SYSTEM
CADILLAC ATS 2018 110000 ELECTRICAL SYSTEM
CHEVROLET BOLT EV 2018 110000 ELECTRICAL SYSTEM
CHEVROLET CAMARO 2018 110000 ELECTRICAL SYSTEM
GMC CANYON 2018 110000 ELECTRICAL SYSTEM
BUICK CASCADA 2018 110000 ELECTRICAL SYSTEM
CHEVROLET COLORADO 2018 110000 ELECTRICAL SYSTEM
CHEVROLET CORVETTE 2018 110000 ELECTRICAL SYSTEM
CHEVROLET CRUZE 2018 110000 ELECTRICAL SYSTEM
CADILLAC CT6 2018 110000 ELECTRICAL SYSTEM
CADILLAC CTS 2018 110000 ELECTRICAL SYSTEM
BUICK ENCLAVE 2018 110000 ELECTRICAL SYSTEM
BUICK ENCORE 2018 110000 ELECTRICAL SYSTEM
BUICK ENVISION 2018 110000 ELECTRICAL SYSTEM
CHEVROLET EQUINOX 2018 110000 ELECTRICAL SYSTEM
CADILLAC ESCALADE 2018 110000 ELECTRICAL SYSTEM
CADILLAC ESCALADE ESV 2018 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 2018 110000 ELECTRICAL SYSTEM
CHEVROLET IMPALA 2018 110000 ELECTRICAL SYSTEM
BUICK LACROSSE 2018 110000 ELECTRICAL SYSTEM
CHEVROLET MALIBU 2018 110000 ELECTRICAL SYSTEM
BUICK REGAL 2018 110000 ELECTRICAL SYSTEM
GMC SAVANA 2018 110000 ELECTRICAL SYSTEM
GMC SIERRA 1500 2018 110000 ELECTRICAL SYSTEM
CHEVROLET SILVERADO 1500 2018 110000 ELECTRICAL SYSTEM
CHEVROLET SILVERADO 2500 2018 110000 ELECTRICAL SYSTEM
CHEVROLET SONIC 2018 110000 ELECTRICAL SYSTEM
CHEVROLET SPARK 2018 110000 ELECTRICAL SYSTEM
CHEVROLET SUBURBAN 2018 110000 ELECTRICAL SYSTEM
CHEVROLET TAHOE 2018 110000 ELECTRICAL SYSTEM
GMC TERRAIN 2018 110000 ELECTRICAL SYSTEM
CHEVROLET TRAVERSE 2018 110000 ELECTRICAL SYSTEM
CHEVROLET TRAX 2018 110000 ELECTRICAL SYSTEM
CHEVROLET VOLT 2018 110000 ELECTRICAL SYSTEM
CADILLAC XT5 2018 110000 ELECTRICAL SYSTEM
CADILLAC XTS 2018 110000 ELECTRICAL SYSTEM
GMC YUKON 2018 110000 ELECTRICAL SYSTEM
GMC ACADIA 2017 110000 ELECTRICAL SYSTEM
CADILLAC ATS 2017 110000 ELECTRICAL SYSTEM
CHEVROLET BOLT EV 2017 110000 ELECTRICAL SYSTEM
CHEVROLET CAMARO 2017 110000 ELECTRICAL SYSTEM
GMC CANYON 2017 110000 ELECTRICAL SYSTEM
BUICK CASCADA 2017 110000 ELECTRICAL SYSTEM
CHEVROLET CITY EXPRESS 2017 110000 ELECTRICAL SYSTEM
CHEVROLET COLORADO 2017 110000 ELECTRICAL SYSTEM
CHEVROLET CORVETTE 2017 110000 ELECTRICAL SYSTEM
CHEVROLET CRUZE 2017 110000 ELECTRICAL SYSTEM
CADILLAC CT6 2017 110000 ELECTRICAL SYSTEM
CADILLAC CTS 2017 110000 ELECTRICAL SYSTEM
BUICK ENCLAVE 2017 110000 ELECTRICAL SYSTEM
BUICK ENCORE 2017 110000 ELECTRICAL SYSTEM
BUICK ENVISION 2017 110000 ELECTRICAL SYSTEM
CHEVROLET EQUINOX 2017 110000 ELECTRICAL SYSTEM
CADILLAC ESCALADE 2017 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 2017 110000 ELECTRICAL SYSTEM
CHEVROLET IMPALA 2017 110000 ELECTRICAL SYSTEM
BUICK LACROSSE 2017 110000 ELECTRICAL SYSTEM
CHEVROLET MALIBU 2017 110000 ELECTRICAL SYSTEM
BUICK REGAL 2017 110000 ELECTRICAL SYSTEM
GMC SAVANA 2017 110000 ELECTRICAL SYSTEM
GMC SIERRA 1500 2017 110000 ELECTRICAL SYSTEM
CHEVROLET SILVERADO 1500 2017 110000 ELECTRICAL SYSTEM
CHEVROLET SILVERADO 2500 2017 110000 ELECTRICAL SYSTEM
CHEVROLET SONIC 2017 110000 ELECTRICAL SYSTEM
CHEVROLET SPARK 2017 110000 ELECTRICAL SYSTEM
CHEVROLET SS 2017 110000 ELECTRICAL SYSTEM
CHEVROLET SUBURBAN 2017 110000 ELECTRICAL SYSTEM
CHEVROLET TAHOE 2017 110000 ELECTRICAL SYSTEM
GMC TERRAIN 2017 110000 ELECTRICAL SYSTEM
CHEVROLET TRAVERSE 2017 110000 ELECTRICAL SYSTEM
CHEVROLET TRAX 2017 110000 ELECTRICAL SYSTEM
BUICK VERANO 2017 110000 ELECTRICAL SYSTEM
CHEVROLET VOLT 2017 110000 ELECTRICAL SYSTEM
CADILLAC XT5 2017 110000 ELECTRICAL SYSTEM
CADILLAC XTS 2017 110000 ELECTRICAL SYSTEM
GMC YUKON 2017 110000 ELECTRICAL SYSTEM
GMC ACADIA 2016 110000 ELECTRICAL SYSTEM
CADILLAC ATS 2016 110000 ELECTRICAL SYSTEM
CHEVROLET CAMARO 2016 110000 ELECTRICAL SYSTEM
GMC CANYON 2016 110000 ELECTRICAL SYSTEM
BUICK CASCADA 2016 110000 ELECTRICAL SYSTEM
CHEVROLET COLORADO 2016 110000 ELECTRICAL SYSTEM
CHEVROLET CORVETTE 2016 110000 ELECTRICAL SYSTEM
CHEVROLET CRUZE 2016 110000 ELECTRICAL SYSTEM
CADILLAC CT6 2016 110000 ELECTRICAL SYSTEM
CADILLAC CTS 2016 110000 ELECTRICAL SYSTEM
CADILLAC ELR 2016 110000 ELECTRICAL SYSTEM
BUICK ENCLAVE 2016 110000 ELECTRICAL SYSTEM
BUICK ENCORE 2016 110000 ELECTRICAL SYSTEM
BUICK ENVISION 2016 110000 ELECTRICAL SYSTEM
CHEVROLET EQUINOX 2016 110000 ELECTRICAL SYSTEM
CADILLAC ESCALADE 2016 110000 ELECTRICAL SYSTEM
CADILLAC ESCALADE ESV 2016 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 2016 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 4500 2016 110000 ELECTRICAL SYSTEM
CHEVROLET IMPALA 2016 110000 ELECTRICAL SYSTEM
BUICK LACROSSE 2016 110000 ELECTRICAL SYSTEM
CHEVROLET MALIBU 2016 110000 ELECTRICAL SYSTEM
BUICK REGAL 2016 110000 ELECTRICAL SYSTEM
GMC SAVANA 2016 110000 ELECTRICAL SYSTEM
GMC SIERRA 2500 2016 110000 ELECTRICAL SYSTEM
CHEVROLET SILVERADO 2500 2016 110000 ELECTRICAL SYSTEM
CHEVROLET SONIC 2016 110000 ELECTRICAL SYSTEM
CHEVROLET SPARK 2016 110000 ELECTRICAL SYSTEM
CADILLAC SRX 2016 110000 ELECTRICAL SYSTEM
CHEVROLET SS 2016 110000 ELECTRICAL SYSTEM
CHEVROLET SUBURBAN 2016 110000 ELECTRICAL SYSTEM
CHEVROLET TAHOE 2016 110000 ELECTRICAL SYSTEM
GMC TERRAIN 2016 110000 ELECTRICAL SYSTEM
CHEVROLET TRAVERSE 2016 110000 ELECTRICAL SYSTEM
CHEVROLET TRAX 2016 110000 ELECTRICAL SYSTEM
BUICK VERANO 2016 110000 ELECTRICAL SYSTEM
CHEVROLET VOLT 2016 110000 ELECTRICAL SYSTEM
CADILLAC XTS 2016 110000 ELECTRICAL SYSTEM
GMC YUKON 2016 110000 ELECTRICAL SYSTEM
GMC ACADIA 2015 110000 ELECTRICAL SYSTEM
CADILLAC ATS 2015 110000 ELECTRICAL SYSTEM
CHEVROLET CAMARO 2015 110000 ELECTRICAL SYSTEM
GMC CANYON 2015 110000 ELECTRICAL SYSTEM
CHEVROLET CAPRICE 2015 110000 ELECTRICAL SYSTEM
CHEVROLET CAPTIVA 2015 110000 ELECTRICAL SYSTEM
CHEVROLET CITY EXPRESS 2015 110000 ELECTRICAL SYSTEM
CHEVROLET COLORADO 2015 110000 ELECTRICAL SYSTEM
CHEVROLET CORVETTE 2015 110000 ELECTRICAL SYSTEM
CHEVROLET CRUZE 2015 110000 ELECTRICAL SYSTEM
CADILLAC CTS 2015 110000 ELECTRICAL SYSTEM
CADILLAC ELR 2015 110000 ELECTRICAL SYSTEM
BUICK ENCLAVE 2015 110000 ELECTRICAL SYSTEM
BUICK ENCORE 2015 110000 ELECTRICAL SYSTEM
CHEVROLET EQUINOX 2015 110000 ELECTRICAL SYSTEM
CADILLAC ESCALADE 2015 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 2015 110000 ELECTRICAL SYSTEM
CHEVROLET IMPALA 2015 110000 ELECTRICAL SYSTEM
BUICK LACROSSE 2015 110000 ELECTRICAL SYSTEM
CHEVROLET MALIBU 2015 110000 ELECTRICAL SYSTEM
BUICK REGAL 2015 110000 ELECTRICAL SYSTEM
GMC SAVANA 2015 110000 ELECTRICAL SYSTEM
GMC SIERRA 2500 2015 110000 ELECTRICAL SYSTEM
CHEVROLET SILVERADO 2500 2015 110000 ELECTRICAL SYSTEM
CHEVROLET SILVERADO 3500 2015 110000 ELECTRICAL SYSTEM
CHEVROLET SONIC 2015 110000 ELECTRICAL SYSTEM
CHEVROLET SPARK 2015 110000 ELECTRICAL SYSTEM
CADILLAC SRX 2015 110000 ELECTRICAL SYSTEM
CHEVROLET SS 2015 110000 ELECTRICAL SYSTEM
CHEVROLET SUBURBAN 2015 110000 ELECTRICAL SYSTEM
CHEVROLET TAHOE 2015 110000 ELECTRICAL SYSTEM
GMC TERRAIN 2015 110000 ELECTRICAL SYSTEM
CHEVROLET TRAVERSE 2015 110000 ELECTRICAL SYSTEM
CHEVROLET TRAX 2015 110000 ELECTRICAL SYSTEM
BUICK VERANO 2015 110000 ELECTRICAL SYSTEM
CHEVROLET VOLT 2015 110000 ELECTRICAL SYSTEM
CADILLAC XTS 2015 110000 ELECTRICAL SYSTEM
GMC YUKON 2015 110000 ELECTRICAL SYSTEM

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What Should You Do?

If your vehicle is affected by this TSB, contact your authorized BUICK dealer. Bring this bulletin ID (PIC6450) 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.

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21-NA-245  · Mar 28, 2024
This service bulletin provides repair information to correct a customer concern of seeing a Shift to Park Message Dis...
3500, 3500HD, 4500, 4500HD, 4500XD, 5500HD, 5500XD, 6500HD, 9-2X, 9-3, 9-5, 9-7X, ACADIA, ALERO, ALERO EXPORT, ALLURE, ASTRA, ASTRO, ATS, ATS-V, AURA, AURA HYBRID, AURORA, AVALANCHE, AVALANCHE 1500, AVALANCHE 2500, AVEO, AZTEK, B7, BERETTA, BLAZER, BLAZER EV, BOLT EUV, BOLT EV, BONNEVILLE, BRAVADA, C SERIES, C3500, C4500, C5500, C6500, C7500, C8500, CAMARO, CANYON, CAPRICE, CAPRICE POLICE PURSUIT, CAPTIVA, CAPTIVA SPORT, CASCADA, CATERA, CAVALIER, CENTURY, CHEVY VAN, CITY EXPRESS, CLASSIC, COBALT, COBALT SS, COLORADO, CONVENTIONAL, CORVETTE, CORVETTE E-RAY, CORVETTE Z06, CORVETTE ZR1, CRUZE, CT4, CT5, CT6, CTS, CTS-V, DENALI, DEVILLE, DTS, ELDORADO, ELR, ENCLAVE, ENCORE, ENCORE GX, ENVISION, ENVISTA, ENVOY, ENVOY 360, ENVOY DENALI, ENVOY DENALI XL, ENVOY XL, ENVOY XL 370, ENVOY XUV, EPICA, EQUINOX, EQUINOX EV, ESCALADE, ESCALADE ESV, ESCALADE EXT, ESCALADE EXT 1500, ESCALADE HYBRID, EXPLORER, EXPRESS, EXPRESS 1500, EXPRESS 2500, EXPRESS 3500, EXPRESS 4500, EXPRESS CUTAWAY, EXPRESS CUTAWAY VAN, F SERIES, FIREBIRD, G SERIES, G VAN, G VAN BUS, G1500, G25, G2500, G3, G30, G35, G3500, G4, G4500, G5, G6, G8, GM, GRAND AM, GRAND PRIX, GTO, H1, H2, H2 SUT, H3, H3 SUT, H4, HHR, HUMMER EV, IMPALA, IMPALA (GMX 211), INCOMPLETE/CUTAWAY C3, INTRIGUE, ION, JIMMY, JIMMY CLASSIC, L SERIES, L VAN, L200, L300, LACROSSE, LESABRE, LOW CAB 3500, LOW CAB 4500, LOW CAB 5500, LOW CAB FORWARD 6500, LS, LUCERNE, LUMINA, LW200, LW300, LYRIQ, LYRIQ EV, M SERIES, M VAN, M/L, M/L SERIES, MALIBU, MALIBU CLASSIC, MALIBU ECO, MALIBU HYBRID, MALIBU MAXX, MONTANA, MONTE CARLO, MOTOR HOME, N300, N300 MAX, OPTRA, OUTLOOK, P SERIES, PARK AVENUE, PRIZM, PURSUIT, RAINIER, REGAL, REGAL TOURX, RELAY, RENDEZVOUS, ROADTREK, S/T BLAZER, S10, S15, SAFARI, SAFARI (GMC), SAVANA, SAVANA 1500, SAVANA 2500, SAVANA 3500, SC, SEVILLE, SIERRA 1500, SIERRA 1500 HD, SIERRA 2500, SIERRA 2500 HD, SIERRA 3500, SIERRA DENALI, SILHOUETTE, SILVERADO 1500, SILVERADO 1500 HD, SILVERADO 2500, SILVERADO 2500 HD, SILVERADO 3500, SILVERADO 4500HD, SILVERADO 5500HD, SILVERADO 6500HD, SILVERADO EV, SILVERADO LT, SKY, SL, SLS, SOLSTICE, SONIC, SONOMA, SONOMA CREW, SPARK, SPARK EV, SRX, SS, SSR, STS, SUBURBAN, SUBURBAN 1500, SUBURBAN 2500, SUNFIRE, T SERIES, T4500, T6500, T7500, T8500, TAHOE, TAHOE HYBRID, TAHOE POLICE PURSUIT, TERRAIN, TERRAZA, TOPKICK, TOPKICK 6500, TOPKICK 8500, TORRENT, TRACKER, TRAILBLAZER, TRAILBLAZER 360, TRAILBLAZER EXT, TRAILBLAZER EXT 370, TRANS AM, TRANS SPORT, TRAVERSE, TRAX, UPLANDER, VAN, VENTURE, VERANO, VIBE, VOLT, VUE, VUE HYBRID, W SERIES C3 3500, W-SERIES, W3500, W4500, W5500, W5500HD, XLR, XT4, XT5, XT6, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON HYBRID, YUKON XL, YUKON XL 1500, YUKON XL 2500, YUKON XL DENALI (2002–2024)
10-08-45-001H  · Mar 28, 2024
This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with ...
ACADIA, BLAZER, CAMARO, ENCLAVE, ENCORE, ENCORE GX, ENVISION, EQUINOX, ESCALADE, EXPRESS, EXPRESS 3500, MALIBU, SAVANA, SAVANA 3500, SIERRA 1500, SILVERADO 1500, TAHOE, TERRAIN, TRAVERSE, XT4, XT5, XT6, YUKON (2021–2023)
PIP5964C  · Mar 26, 2024
This Preliminary information communicates a vehicle may come to the dealer with a complaint of no start, stalling, ro...
ACADIA, BLAZER, CAMARO, ENCORE GX, EQUINOX, MALIBU, SIERRA 1500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SILVERADO EV, TERRAIN, TRAILBLAZER, TRAVERSE, TRAX (2019–2024)
PIC6486E  · Mar 22, 2024
This Preliminary information communicates to dealer that GM is aware of the issue and is working on a resolution.
ACADIA, BLAZER, CAMARO, ENCLAVE, ENCORE, ENCORE GX, ENVISION, EQUINOX, ESCALADE, EXPRESS, EXPRESS 3500, MALIBU, SAVANA, SAVANA 3500, SIERRA 1500, SILVERADO 1500, TAHOE, TERRAIN, TRAVERSE, XT4, XT5, XT6, YUKON (2021–2023)
PIP5964B  · Mar 21, 2024
This Preliminary information communicates a vehicle may come to the dealer with a complaint of no start, stalling, ro...

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.

Back to All TSBs