TSB: BUICK ACADIA, ATS, ATS-V, AVEO, CAMARO, CANYON, CAPRICE, CAPRICE POLICE PURSUIT, CAPTIVA, CITY EXPRESS, COBALT, COLORADO, CORVETTE, CRUZE, CT6, CTS, CTS-V, DENALI, ELR, ENCLAVE, ENCORE, EQUINOX, ESCALADE, ESCALADE ESV, EXPRESS, IMPALA, LACROSSE, MALIBU, N300, REGAL, SAVANA, SAVANA 1500, SAVANA 2500, SAVANA 3500, SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SONIC, SPARK, SPARK EV, SRX, SS, SUBURBAN, TAHOE, TAHOE POLICE PURSUIT, TERRAIN, TRAVERSE, TRAX, VERANO, VOLT, XT5, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2015)

Bulletin 15086A — June 22, 2017

Bulletin Details

Bulletin ID15086A
ManufacturerBUICK
ModelsACADIA, ATS, ATS-V, AVEO, CAMARO, CANYON, CAPRICE, CAPRICE POLICE PURSUIT, CAPTIVA, CITY EXPRESS, COBALT, COLORADO, CORVETTE, CRUZE, CT6, CTS, CTS-V, DENALI, ELR, ENCLAVE, ENCORE, EQUINOX, ESCALADE, ESCALADE ESV, EXPRESS, IMPALA, LACROSSE, MALIBU, N300, REGAL, SAVANA, SAVANA 1500, SAVANA 2500, SAVANA 3500, SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SONIC, SPARK, SPARK EV, SRX, SS, SUBURBAN, TAHOE, TAHOE POLICE PURSUIT, TERRAIN, TRAVERSE, TRAX, VERANO, VOLT, XT5, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL
Model Years2015
Date IssuedJune 22, 2017
Date Added to NHTSAApril 22, 2019
ComponentELECTRICAL SYSTEM
Vehicles Affected180 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

15086A - Customer Satisfaction Program. On certain passenger cars and light duty trucks, equipped with Gen 10 OnStar?, the embedded phone flash memory chip may become corrupted, causing the OnStar? system to become inoperative. Dealers a

Affected Vehicles

MakeModelYearComponent
GMC ACADIA 2015 110000 ELECTRICAL SYSTEM
GMC ACADIA 2015 350000 EQUIPMENT
GMC ACADIA 2015 356000 EQUIPMENT ADAPTIVE/MOBILITY
CADILLAC ATS 2015 110000 ELECTRICAL SYSTEM
CADILLAC ATS 2015 350000 EQUIPMENT
CADILLAC ATS 2015 356000 EQUIPMENT ADAPTIVE/MOBILITY
CADILLAC ATS-V 2015 110000 ELECTRICAL SYSTEM
CADILLAC ATS-V 2015 350000 EQUIPMENT
CADILLAC ATS-V 2015 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET AVEO 2015 110000 ELECTRICAL SYSTEM
CHEVROLET AVEO 2015 350000 EQUIPMENT
CHEVROLET AVEO 2015 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET CAMARO 2015 110000 ELECTRICAL SYSTEM
CHEVROLET CAMARO 2015 350000 EQUIPMENT
CHEVROLET CAMARO 2015 356000 EQUIPMENT ADAPTIVE/MOBILITY
GMC CANYON 2015 110000 ELECTRICAL SYSTEM
GMC CANYON 2015 350000 EQUIPMENT
GMC CANYON 2015 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET CAPRICE 2015 110000 ELECTRICAL SYSTEM
CHEVROLET CAPRICE 2015 350000 EQUIPMENT
CHEVROLET CAPRICE 2015 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET CAPRICE POLICE PURSUIT 2015 110000 ELECTRICAL SYSTEM
CHEVROLET CAPRICE POLICE PURSUIT 2015 350000 EQUIPMENT
CHEVROLET CAPRICE POLICE PURSUIT 2015 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET CAPTIVA 2015 110000 ELECTRICAL SYSTEM
CHEVROLET CAPTIVA 2015 350000 EQUIPMENT
CHEVROLET CAPTIVA 2015 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET CITY EXPRESS 2015 110000 ELECTRICAL SYSTEM
CHEVROLET CITY EXPRESS 2015 350000 EQUIPMENT
CHEVROLET CITY EXPRESS 2015 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET COBALT 2015 110000 ELECTRICAL SYSTEM
CHEVROLET COBALT 2015 350000 EQUIPMENT
CHEVROLET COBALT 2015 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET COLORADO 2015 110000 ELECTRICAL SYSTEM
CHEVROLET COLORADO 2015 350000 EQUIPMENT
CHEVROLET COLORADO 2015 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET CORVETTE 2015 110000 ELECTRICAL SYSTEM
CHEVROLET CORVETTE 2015 350000 EQUIPMENT
CHEVROLET CORVETTE 2015 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET CRUZE 2015 110000 ELECTRICAL SYSTEM
CHEVROLET CRUZE 2015 350000 EQUIPMENT
CHEVROLET CRUZE 2015 356000 EQUIPMENT ADAPTIVE/MOBILITY
CADILLAC CT6 2015 110000 ELECTRICAL SYSTEM
CADILLAC CT6 2015 350000 EQUIPMENT
CADILLAC CT6 2015 356000 EQUIPMENT ADAPTIVE/MOBILITY
CADILLAC CTS 2015 110000 ELECTRICAL SYSTEM
CADILLAC CTS 2015 350000 EQUIPMENT
CADILLAC CTS 2015 356000 EQUIPMENT ADAPTIVE/MOBILITY
CADILLAC CTS-V 2015 110000 ELECTRICAL SYSTEM
CADILLAC CTS-V 2015 350000 EQUIPMENT
CADILLAC CTS-V 2015 356000 EQUIPMENT ADAPTIVE/MOBILITY
GMC DENALI 2015 110000 ELECTRICAL SYSTEM
GMC DENALI 2015 350000 EQUIPMENT
GMC DENALI 2015 356000 EQUIPMENT ADAPTIVE/MOBILITY
CADILLAC ELR 2015 110000 ELECTRICAL SYSTEM
CADILLAC ELR 2015 350000 EQUIPMENT
CADILLAC ELR 2015 356000 EQUIPMENT ADAPTIVE/MOBILITY
BUICK ENCLAVE 2015 110000 ELECTRICAL SYSTEM
BUICK ENCLAVE 2015 350000 EQUIPMENT
BUICK ENCLAVE 2015 356000 EQUIPMENT ADAPTIVE/MOBILITY
BUICK ENCORE 2015 110000 ELECTRICAL SYSTEM
BUICK ENCORE 2015 350000 EQUIPMENT
BUICK ENCORE 2015 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET EQUINOX 2015 110000 ELECTRICAL SYSTEM
CHEVROLET EQUINOX 2015 350000 EQUIPMENT
CHEVROLET EQUINOX 2015 356000 EQUIPMENT ADAPTIVE/MOBILITY
CADILLAC ESCALADE 2015 110000 ELECTRICAL SYSTEM
CADILLAC ESCALADE 2015 350000 EQUIPMENT
CADILLAC ESCALADE 2015 356000 EQUIPMENT ADAPTIVE/MOBILITY
CADILLAC ESCALADE ESV 2015 110000 ELECTRICAL SYSTEM
CADILLAC ESCALADE ESV 2015 350000 EQUIPMENT
CADILLAC ESCALADE ESV 2015 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET EXPRESS 2015 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 2015 350000 EQUIPMENT
CHEVROLET EXPRESS 2015 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET IMPALA 2015 110000 ELECTRICAL SYSTEM
CHEVROLET IMPALA 2015 350000 EQUIPMENT
CHEVROLET IMPALA 2015 356000 EQUIPMENT ADAPTIVE/MOBILITY
BUICK LACROSSE 2015 110000 ELECTRICAL SYSTEM
BUICK LACROSSE 2015 350000 EQUIPMENT
BUICK LACROSSE 2015 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET MALIBU 2015 110000 ELECTRICAL SYSTEM
CHEVROLET MALIBU 2015 350000 EQUIPMENT
CHEVROLET MALIBU 2015 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET N300 2015 110000 ELECTRICAL SYSTEM
CHEVROLET N300 2015 350000 EQUIPMENT
CHEVROLET N300 2015 356000 EQUIPMENT ADAPTIVE/MOBILITY
BUICK REGAL 2015 110000 ELECTRICAL SYSTEM
BUICK REGAL 2015 350000 EQUIPMENT
BUICK REGAL 2015 356000 EQUIPMENT ADAPTIVE/MOBILITY
GMC SAVANA 2015 110000 ELECTRICAL SYSTEM
GMC SAVANA 2015 350000 EQUIPMENT
GMC SAVANA 2015 356000 EQUIPMENT ADAPTIVE/MOBILITY
GMC SAVANA 1500 2015 110000 ELECTRICAL SYSTEM
GMC SAVANA 1500 2015 350000 EQUIPMENT
GMC SAVANA 1500 2015 356000 EQUIPMENT ADAPTIVE/MOBILITY
GMC SAVANA 2500 2015 110000 ELECTRICAL SYSTEM
GMC SAVANA 2500 2015 350000 EQUIPMENT
GMC SAVANA 2500 2015 356000 EQUIPMENT ADAPTIVE/MOBILITY
GMC SAVANA 3500 2015 110000 ELECTRICAL SYSTEM
GMC SAVANA 3500 2015 350000 EQUIPMENT
GMC SAVANA 3500 2015 356000 EQUIPMENT ADAPTIVE/MOBILITY
GMC SIERRA 1500 2015 110000 ELECTRICAL SYSTEM
GMC SIERRA 1500 2015 350000 EQUIPMENT
GMC SIERRA 1500 2015 356000 EQUIPMENT ADAPTIVE/MOBILITY
GMC SIERRA 2500 2015 110000 ELECTRICAL SYSTEM
GMC SIERRA 2500 2015 350000 EQUIPMENT
GMC SIERRA 2500 2015 356000 EQUIPMENT ADAPTIVE/MOBILITY
GMC SIERRA 3500 2015 110000 ELECTRICAL SYSTEM
GMC SIERRA 3500 2015 350000 EQUIPMENT
GMC SIERRA 3500 2015 356000 EQUIPMENT ADAPTIVE/MOBILITY
GMC SIERRA DENALI 2015 110000 ELECTRICAL SYSTEM
GMC SIERRA DENALI 2015 350000 EQUIPMENT
GMC SIERRA DENALI 2015 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET SILVERADO 1500 2015 110000 ELECTRICAL SYSTEM
CHEVROLET SILVERADO 1500 2015 350000 EQUIPMENT
CHEVROLET SILVERADO 1500 2015 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET SILVERADO 2500 2015 110000 ELECTRICAL SYSTEM
CHEVROLET SILVERADO 2500 2015 350000 EQUIPMENT
CHEVROLET SILVERADO 2500 2015 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET SILVERADO 3500 2015 110000 ELECTRICAL SYSTEM
CHEVROLET SILVERADO 3500 2015 350000 EQUIPMENT
CHEVROLET SILVERADO 3500 2015 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET SONIC 2015 110000 ELECTRICAL SYSTEM
CHEVROLET SONIC 2015 350000 EQUIPMENT
CHEVROLET SONIC 2015 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET SPARK 2015 110000 ELECTRICAL SYSTEM
CHEVROLET SPARK 2015 350000 EQUIPMENT
CHEVROLET SPARK 2015 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET SPARK EV 2015 110000 ELECTRICAL SYSTEM
CHEVROLET SPARK EV 2015 350000 EQUIPMENT
CHEVROLET SPARK EV 2015 356000 EQUIPMENT ADAPTIVE/MOBILITY
CADILLAC SRX 2015 110000 ELECTRICAL SYSTEM
CADILLAC SRX 2015 350000 EQUIPMENT
CADILLAC SRX 2015 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET SS 2015 110000 ELECTRICAL SYSTEM
CHEVROLET SS 2015 350000 EQUIPMENT
CHEVROLET SS 2015 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET SUBURBAN 2015 110000 ELECTRICAL SYSTEM
CHEVROLET SUBURBAN 2015 350000 EQUIPMENT
CHEVROLET SUBURBAN 2015 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET TAHOE 2015 110000 ELECTRICAL SYSTEM
CHEVROLET TAHOE 2015 350000 EQUIPMENT
CHEVROLET TAHOE 2015 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET TAHOE POLICE PURSUIT 2015 110000 ELECTRICAL SYSTEM
CHEVROLET TAHOE POLICE PURSUIT 2015 350000 EQUIPMENT
CHEVROLET TAHOE POLICE PURSUIT 2015 356000 EQUIPMENT ADAPTIVE/MOBILITY
GMC TERRAIN 2015 110000 ELECTRICAL SYSTEM
GMC TERRAIN 2015 350000 EQUIPMENT
GMC TERRAIN 2015 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET TRAVERSE 2015 110000 ELECTRICAL SYSTEM
CHEVROLET TRAVERSE 2015 350000 EQUIPMENT
CHEVROLET TRAVERSE 2015 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET TRAX 2015 110000 ELECTRICAL SYSTEM
CHEVROLET TRAX 2015 350000 EQUIPMENT
CHEVROLET TRAX 2015 356000 EQUIPMENT ADAPTIVE/MOBILITY
BUICK VERANO 2015 110000 ELECTRICAL SYSTEM
BUICK VERANO 2015 350000 EQUIPMENT
BUICK VERANO 2015 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET VOLT 2015 110000 ELECTRICAL SYSTEM
CHEVROLET VOLT 2015 350000 EQUIPMENT
CHEVROLET VOLT 2015 356000 EQUIPMENT ADAPTIVE/MOBILITY
CADILLAC XT5 2015 110000 ELECTRICAL SYSTEM
CADILLAC XT5 2015 350000 EQUIPMENT
CADILLAC XT5 2015 356000 EQUIPMENT ADAPTIVE/MOBILITY
CADILLAC XTS 2015 110000 ELECTRICAL SYSTEM
CADILLAC XTS 2015 350000 EQUIPMENT
CADILLAC XTS 2015 356000 EQUIPMENT ADAPTIVE/MOBILITY
GMC YUKON 2015 110000 ELECTRICAL SYSTEM
GMC YUKON 2015 350000 EQUIPMENT
GMC YUKON 2015 356000 EQUIPMENT ADAPTIVE/MOBILITY
GMC YUKON DENALI 2015 110000 ELECTRICAL SYSTEM
GMC YUKON DENALI 2015 350000 EQUIPMENT
GMC YUKON DENALI 2015 356000 EQUIPMENT ADAPTIVE/MOBILITY
GMC YUKON DENALI XL 2015 110000 ELECTRICAL SYSTEM
GMC YUKON DENALI XL 2015 350000 EQUIPMENT
GMC YUKON DENALI XL 2015 356000 EQUIPMENT ADAPTIVE/MOBILITY
GMC YUKON XL 2015 110000 ELECTRICAL SYSTEM
GMC YUKON XL 2015 350000 EQUIPMENT
GMC YUKON XL 2015 356000 EQUIPMENT ADAPTIVE/MOBILITY

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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 (15086A) 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.