TSB: BUICK ACADIA, ATS, CAMARO, CANYON, CITY EXPRESS, COLORADO, CORVETTE, CRUZE, CTS, ENCLAVE, ENCORE, EQUINOX, ESCALADE, ESCALADE ESV, EXPRESS, IMPALA, LACROSSE, MALIBU, REGAL, SAVANA, SAVANA 1500, SAVANA 2500, SAVANA 3500, SIERRA, SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA HD, SILVERADO, SILVERADO 2500, SILVERADO 3500, SILVERADO HD, SONIC, SPARK, SRX, SUBURBAN, TAHOE, TERRAIN, TRAVERSE, TRAX, VERANO, VOLT, XTS, YUKON (2015)
Bulletin PB-15086 — July 1, 2015
Bulletin Details
| Bulletin ID | PB-15086 |
| Manufacturer | BUICK |
| Models | ACADIA, ATS, CAMARO, CANYON, CITY EXPRESS, COLORADO, CORVETTE, CRUZE, CTS, ENCLAVE, ENCORE, EQUINOX, ESCALADE, ESCALADE ESV, EXPRESS, IMPALA, LACROSSE, MALIBU, REGAL, SAVANA, SAVANA 1500, SAVANA 2500, SAVANA 3500, SIERRA, SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA HD, SILVERADO, SILVERADO 2500, SILVERADO 3500, SILVERADO HD, SONIC, SPARK, SRX, SUBURBAN, TAHOE, TERRAIN, TRAVERSE, TRAX, VERANO, VOLT, XTS, YUKON |
| Model Years | 2015 |
| Date Issued | July 1, 2015 |
| Date Added to NHTSA | November 12, 2015 |
| Component | EQUIPMENT |
| Vehicles Affected | 88 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
GENERAL MOTORS: TSB CONTAINS AN OWNER'S NOTIFICATION LETTER. SELECT DOCUMENT SEARCH BUTTON BELOW. ON CERTAIN TRUCKS AND VEHICLES, THE ONSTAR SYSTEM IS INOPERATIVE DUE TO EMBEDDED PHONE FLASH MEMORY CHIP AND VEHICLE COMMUNICATION INTERFAC
Affected Vehicles
| Make | Model | Year | Component |
|---|---|---|---|
| GMC | ACADIA | 2015 | 356000 EQUIPMENT ADAPTIVE/MOBILITY |
| GMC | ACADIA | 2015 | 350000 EQUIPMENT |
| CADILLAC | ATS | 2015 | 350000 EQUIPMENT |
| CADILLAC | ATS | 2015 | 356000 EQUIPMENT ADAPTIVE/MOBILITY |
| CHEVROLET | CAMARO | 2015 | 356000 EQUIPMENT ADAPTIVE/MOBILITY |
| CHEVROLET | CAMARO | 2015 | 350000 EQUIPMENT |
| GMC | CANYON | 2015 | 356000 EQUIPMENT ADAPTIVE/MOBILITY |
| GMC | CANYON | 2015 | 350000 EQUIPMENT |
| CHEVROLET | CITY EXPRESS | 2015 | 350000 EQUIPMENT |
| CHEVROLET | CITY EXPRESS | 2015 | 356000 EQUIPMENT ADAPTIVE/MOBILITY |
| CHEVROLET | COLORADO | 2015 | 356000 EQUIPMENT ADAPTIVE/MOBILITY |
| CHEVROLET | COLORADO | 2015 | 350000 EQUIPMENT |
| CHEVROLET | CORVETTE | 2015 | 356000 EQUIPMENT ADAPTIVE/MOBILITY |
| CHEVROLET | CORVETTE | 2015 | 350000 EQUIPMENT |
| CHEVROLET | CRUZE | 2015 | 350000 EQUIPMENT |
| CHEVROLET | CRUZE | 2015 | 356000 EQUIPMENT ADAPTIVE/MOBILITY |
| CADILLAC | CTS | 2015 | 350000 EQUIPMENT |
| CADILLAC | CTS | 2015 | 356000 EQUIPMENT ADAPTIVE/MOBILITY |
| BUICK | ENCLAVE | 2015 | 356000 EQUIPMENT ADAPTIVE/MOBILITY |
| BUICK | ENCLAVE | 2015 | 350000 EQUIPMENT |
| BUICK | ENCORE | 2015 | 350000 EQUIPMENT |
| BUICK | ENCORE | 2015 | 356000 EQUIPMENT ADAPTIVE/MOBILITY |
| CHEVROLET | EQUINOX | 2015 | 356000 EQUIPMENT ADAPTIVE/MOBILITY |
| CHEVROLET | EQUINOX | 2015 | 350000 EQUIPMENT |
| CADILLAC | ESCALADE | 2015 | 356000 EQUIPMENT ADAPTIVE/MOBILITY |
| CADILLAC | ESCALADE | 2015 | 350000 EQUIPMENT |
| CADILLAC | ESCALADE ESV | 2015 | 356000 EQUIPMENT ADAPTIVE/MOBILITY |
| CADILLAC | ESCALADE ESV | 2015 | 350000 EQUIPMENT |
| CHEVROLET | EXPRESS | 2015 | 356000 EQUIPMENT ADAPTIVE/MOBILITY |
| CHEVROLET | EXPRESS | 2015 | 350000 EQUIPMENT |
| CHEVROLET | IMPALA | 2015 | 356000 EQUIPMENT ADAPTIVE/MOBILITY |
| CHEVROLET | IMPALA | 2015 | 350000 EQUIPMENT |
| BUICK | LACROSSE | 2015 | 350000 EQUIPMENT |
| BUICK | LACROSSE | 2015 | 356000 EQUIPMENT ADAPTIVE/MOBILITY |
| CHEVROLET | MALIBU | 2015 | 350000 EQUIPMENT |
| CHEVROLET | MALIBU | 2015 | 356000 EQUIPMENT ADAPTIVE/MOBILITY |
| BUICK | REGAL | 2015 | 350000 EQUIPMENT |
| BUICK | REGAL | 2015 | 356000 EQUIPMENT ADAPTIVE/MOBILITY |
| GMC | SAVANA | 2015 | 356000 EQUIPMENT ADAPTIVE/MOBILITY |
| GMC | SAVANA | 2015 | 350000 EQUIPMENT |
| GMC | SAVANA 1500 | 2015 | 356000 EQUIPMENT ADAPTIVE/MOBILITY |
| GMC | SAVANA 1500 | 2015 | 350000 EQUIPMENT |
| GMC | SAVANA 2500 | 2015 | 356000 EQUIPMENT ADAPTIVE/MOBILITY |
| GMC | SAVANA 2500 | 2015 | 350000 EQUIPMENT |
| GMC | SAVANA 3500 | 2015 | 350000 EQUIPMENT |
| GMC | SAVANA 3500 | 2015 | 356000 EQUIPMENT ADAPTIVE/MOBILITY |
| GMC | SIERRA | 2015 | 350000 EQUIPMENT |
| GMC | SIERRA | 2015 | 356000 EQUIPMENT ADAPTIVE/MOBILITY |
| GMC | SIERRA 1500 | 2015 | 350000 EQUIPMENT |
| GMC | SIERRA 1500 | 2015 | 356000 EQUIPMENT ADAPTIVE/MOBILITY |
| GMC | SIERRA 2500 | 2015 | 350000 EQUIPMENT |
| GMC | SIERRA 2500 | 2015 | 356000 EQUIPMENT ADAPTIVE/MOBILITY |
| GMC | SIERRA 3500 | 2015 | 350000 EQUIPMENT |
| GMC | SIERRA 3500 | 2015 | 356000 EQUIPMENT ADAPTIVE/MOBILITY |
| GMC | SIERRA HD | 2015 | 356000 EQUIPMENT ADAPTIVE/MOBILITY |
| GMC | SIERRA HD | 2015 | 350000 EQUIPMENT |
| CHEVROLET | SILVERADO | 2015 | 350000 EQUIPMENT |
| CHEVROLET | SILVERADO | 2015 | 356000 EQUIPMENT ADAPTIVE/MOBILITY |
| CHEVROLET | SILVERADO 2500 | 2015 | 356000 EQUIPMENT ADAPTIVE/MOBILITY |
| CHEVROLET | SILVERADO 2500 | 2015 | 350000 EQUIPMENT |
| CHEVROLET | SILVERADO 3500 | 2015 | 356000 EQUIPMENT ADAPTIVE/MOBILITY |
| CHEVROLET | SILVERADO 3500 | 2015 | 350000 EQUIPMENT |
| CHEVROLET | SILVERADO HD | 2015 | 356000 EQUIPMENT ADAPTIVE/MOBILITY |
| CHEVROLET | SILVERADO HD | 2015 | 350000 EQUIPMENT |
| CHEVROLET | SONIC | 2015 | 350000 EQUIPMENT |
| CHEVROLET | SONIC | 2015 | 356000 EQUIPMENT ADAPTIVE/MOBILITY |
| CHEVROLET | SPARK | 2015 | 356000 EQUIPMENT ADAPTIVE/MOBILITY |
| CHEVROLET | SPARK | 2015 | 350000 EQUIPMENT |
| CADILLAC | SRX | 2015 | 350000 EQUIPMENT |
| CADILLAC | SRX | 2015 | 356000 EQUIPMENT ADAPTIVE/MOBILITY |
| CHEVROLET | SUBURBAN | 2015 | 350000 EQUIPMENT |
| CHEVROLET | SUBURBAN | 2015 | 356000 EQUIPMENT ADAPTIVE/MOBILITY |
| CHEVROLET | TAHOE | 2015 | 350000 EQUIPMENT |
| CHEVROLET | TAHOE | 2015 | 356000 EQUIPMENT ADAPTIVE/MOBILITY |
| GMC | TERRAIN | 2015 | 350000 EQUIPMENT |
| GMC | TERRAIN | 2015 | 356000 EQUIPMENT ADAPTIVE/MOBILITY |
| CHEVROLET | TRAVERSE | 2015 | 356000 EQUIPMENT ADAPTIVE/MOBILITY |
| CHEVROLET | TRAVERSE | 2015 | 350000 EQUIPMENT |
| CHEVROLET | TRAX | 2015 | 356000 EQUIPMENT ADAPTIVE/MOBILITY |
| CHEVROLET | TRAX | 2015 | 350000 EQUIPMENT |
| BUICK | VERANO | 2015 | 356000 EQUIPMENT ADAPTIVE/MOBILITY |
| BUICK | VERANO | 2015 | 350000 EQUIPMENT |
| CHEVROLET | VOLT | 2015 | 350000 EQUIPMENT |
| CHEVROLET | VOLT | 2015 | 356000 EQUIPMENT ADAPTIVE/MOBILITY |
| CADILLAC | XTS | 2015 | 356000 EQUIPMENT ADAPTIVE/MOBILITY |
| CADILLAC | XTS | 2015 | 350000 EQUIPMENT |
| GMC | YUKON | 2015 | 356000 EQUIPMENT ADAPTIVE/MOBILITY |
| GMC | YUKON | 2015 | 350000 EQUIPMENT |
Related BUICK Recalls
What Should You Do?
If your vehicle is affected by this TSB, contact your authorized BUICK dealer. Bring this bulletin ID (PB-15086) 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.