TSB: BUICK ACADIA, ATS, AVALANCHE, AVALANCHE 1500, AVALANCHE 2500, CAMARO, CANYON, CAPRICE, CAPRICE POLICE PURSUIT, CAPTIVA, CAPTIVA SPORT, COBALT, COLORADO, CORVETTE, CRUZE, CT6, CTS, ENCLAVE, ENCORE, ENVOY, EQUINOX, ESCALADE, ESCALADE ESV, ESCALADE EXT, ESCALADE HYBRID, EXPRESS, EXPRESS CUTAWAY, EXPRESS CUTAWAY VAN, IMPALA, LACROSSE, LESABRE, MALIBU, MALIBU ECO, REGAL, SAVANA, SAVANA 1500, SAVANA 2500, SAVANA 3500, SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SONIC, SPARK, SRX, SUBURBAN, TAHOE, TAHOE HYBRID, TAHOE POLICE PURSUIT, TERRAIN, TOPKICK, TRAILBLAZER, TRAVERSE, TRAX, VERANO, VOLT, XT5, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON HYBRID, YUKON XL, YUKON XL 2500 (2013)
Bulletin 14D115 — November 21, 2014
Bulletin Details
| Bulletin ID | 14D115 |
| Manufacturer | BUICK |
| Models | ACADIA, ATS, AVALANCHE, AVALANCHE 1500, AVALANCHE 2500, CAMARO, CANYON, CAPRICE, CAPRICE POLICE PURSUIT, CAPTIVA, CAPTIVA SPORT, COBALT, COLORADO, CORVETTE, CRUZE, CT6, CTS, ENCLAVE, ENCORE, ENVOY, EQUINOX, ESCALADE, ESCALADE ESV, ESCALADE EXT, ESCALADE HYBRID, EXPRESS, EXPRESS CUTAWAY, EXPRESS CUTAWAY VAN, IMPALA, LACROSSE, LESABRE, MALIBU, MALIBU ECO, REGAL, SAVANA, SAVANA 1500, SAVANA 2500, SAVANA 3500, SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SONIC, SPARK, SRX, SUBURBAN, TAHOE, TAHOE HYBRID, TAHOE POLICE PURSUIT, TERRAIN, TOPKICK, TRAILBLAZER, TRAVERSE, TRAX, VERANO, VOLT, XT5, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON HYBRID, YUKON XL, YUKON XL 2500 |
| Model Years | 2013 |
| Date Issued | November 21, 2014 |
| Date Added to NHTSA | February 12, 2024 |
| Component | EQUIPMENT |
| Vehicles Affected | 134 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
Please return service inventory of ACDelco part numbers 20964305, 20964306, 20877116, and 20898936 (Date Codes 077 13166 - 077 13228, June 15, 2013?August 16, 2013).
Affected Vehicles
| Make | Model | Year | Component |
|---|---|---|---|
| GMC | ACADIA | 2013 | 350000 EQUIPMENT |
| GMC | ACADIA | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| CADILLAC | ATS | 2013 | 350000 EQUIPMENT |
| CADILLAC | ATS | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| CHEVROLET | AVALANCHE | 2013 | 350000 EQUIPMENT |
| CHEVROLET | AVALANCHE | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| CHEVROLET | AVALANCHE 1500 | 2013 | 350000 EQUIPMENT |
| CHEVROLET | AVALANCHE 1500 | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| CHEVROLET | AVALANCHE 2500 | 2013 | 350000 EQUIPMENT |
| CHEVROLET | AVALANCHE 2500 | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| CHEVROLET | CAMARO | 2013 | 350000 EQUIPMENT |
| CHEVROLET | CAMARO | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| GMC | CANYON | 2013 | 350000 EQUIPMENT |
| GMC | CANYON | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| CHEVROLET | CAPRICE | 2013 | 350000 EQUIPMENT |
| CHEVROLET | CAPRICE | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| CHEVROLET | CAPRICE POLICE PURSUIT | 2013 | 350000 EQUIPMENT |
| CHEVROLET | CAPRICE POLICE PURSUIT | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| CHEVROLET | CAPTIVA | 2013 | 350000 EQUIPMENT |
| CHEVROLET | CAPTIVA | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| CHEVROLET | CAPTIVA SPORT | 2013 | 350000 EQUIPMENT |
| CHEVROLET | CAPTIVA SPORT | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| CHEVROLET | COBALT | 2013 | 350000 EQUIPMENT |
| CHEVROLET | COBALT | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| CHEVROLET | COLORADO | 2013 | 350000 EQUIPMENT |
| CHEVROLET | COLORADO | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| CHEVROLET | CORVETTE | 2013 | 350000 EQUIPMENT |
| CHEVROLET | CORVETTE | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| CHEVROLET | CRUZE | 2013 | 350000 EQUIPMENT |
| CHEVROLET | CRUZE | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| CADILLAC | CT6 | 2013 | 350000 EQUIPMENT |
| CADILLAC | CT6 | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| CADILLAC | CTS | 2013 | 350000 EQUIPMENT |
| CADILLAC | CTS | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| BUICK | ENCLAVE | 2013 | 350000 EQUIPMENT |
| BUICK | ENCLAVE | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| BUICK | ENCORE | 2013 | 350000 EQUIPMENT |
| BUICK | ENCORE | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| GMC | ENVOY | 2013 | 350000 EQUIPMENT |
| GMC | ENVOY | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| CHEVROLET | EQUINOX | 2013 | 350000 EQUIPMENT |
| CHEVROLET | EQUINOX | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| CADILLAC | ESCALADE | 2013 | 350000 EQUIPMENT |
| CADILLAC | ESCALADE | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| CADILLAC | ESCALADE ESV | 2013 | 350000 EQUIPMENT |
| CADILLAC | ESCALADE ESV | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| CADILLAC | ESCALADE EXT | 2013 | 350000 EQUIPMENT |
| CADILLAC | ESCALADE EXT | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| CADILLAC | ESCALADE HYBRID | 2013 | 350000 EQUIPMENT |
| CADILLAC | ESCALADE HYBRID | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| CHEVROLET | EXPRESS | 2013 | 350000 EQUIPMENT |
| CHEVROLET | EXPRESS | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| CHEVROLET | EXPRESS CUTAWAY | 2013 | 350000 EQUIPMENT |
| CHEVROLET | EXPRESS CUTAWAY | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| CHEVROLET | EXPRESS CUTAWAY VAN | 2013 | 350000 EQUIPMENT |
| CHEVROLET | EXPRESS CUTAWAY VAN | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| CHEVROLET | IMPALA | 2013 | 350000 EQUIPMENT |
| CHEVROLET | IMPALA | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| BUICK | LACROSSE | 2013 | 350000 EQUIPMENT |
| BUICK | LACROSSE | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| BUICK | LESABRE | 2013 | 350000 EQUIPMENT |
| BUICK | LESABRE | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| CHEVROLET | MALIBU | 2013 | 350000 EQUIPMENT |
| CHEVROLET | MALIBU | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| CHEVROLET | MALIBU ECO | 2013 | 350000 EQUIPMENT |
| CHEVROLET | MALIBU ECO | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| BUICK | REGAL | 2013 | 350000 EQUIPMENT |
| BUICK | REGAL | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| GMC | SAVANA | 2013 | 350000 EQUIPMENT |
| GMC | SAVANA | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| GMC | SAVANA 1500 | 2013 | 350000 EQUIPMENT |
| GMC | SAVANA 1500 | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| GMC | SAVANA 2500 | 2013 | 350000 EQUIPMENT |
| GMC | SAVANA 2500 | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| GMC | SAVANA 3500 | 2013 | 350000 EQUIPMENT |
| GMC | SAVANA 3500 | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| GMC | SIERRA 1500 | 2013 | 350000 EQUIPMENT |
| GMC | SIERRA 1500 | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| GMC | SIERRA 2500 | 2013 | 350000 EQUIPMENT |
| GMC | SIERRA 2500 | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| GMC | SIERRA 3500 | 2013 | 350000 EQUIPMENT |
| GMC | SIERRA 3500 | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| GMC | SIERRA DENALI | 2013 | 350000 EQUIPMENT |
| GMC | SIERRA DENALI | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| CHEVROLET | SILVERADO 1500 | 2013 | 350000 EQUIPMENT |
| CHEVROLET | SILVERADO 1500 | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| CHEVROLET | SILVERADO 2500 | 2013 | 350000 EQUIPMENT |
| CHEVROLET | SILVERADO 2500 | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| CHEVROLET | SILVERADO 3500 | 2013 | 350000 EQUIPMENT |
| CHEVROLET | SILVERADO 3500 | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| CHEVROLET | SONIC | 2013 | 350000 EQUIPMENT |
| CHEVROLET | SONIC | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| CHEVROLET | SPARK | 2013 | 350000 EQUIPMENT |
| CHEVROLET | SPARK | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| CADILLAC | SRX | 2013 | 350000 EQUIPMENT |
| CADILLAC | SRX | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| CHEVROLET | SUBURBAN | 2013 | 350000 EQUIPMENT |
| CHEVROLET | SUBURBAN | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| CHEVROLET | TAHOE | 2013 | 350000 EQUIPMENT |
| CHEVROLET | TAHOE | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| CHEVROLET | TAHOE HYBRID | 2013 | 350000 EQUIPMENT |
| CHEVROLET | TAHOE HYBRID | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| CHEVROLET | TAHOE POLICE PURSUIT | 2013 | 350000 EQUIPMENT |
| CHEVROLET | TAHOE POLICE PURSUIT | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| GMC | TERRAIN | 2013 | 350000 EQUIPMENT |
| GMC | TERRAIN | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| GMC | TOPKICK | 2013 | 350000 EQUIPMENT |
| GMC | TOPKICK | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| CHEVROLET | TRAILBLAZER | 2013 | 350000 EQUIPMENT |
| CHEVROLET | TRAILBLAZER | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| CHEVROLET | TRAVERSE | 2013 | 350000 EQUIPMENT |
| CHEVROLET | TRAVERSE | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| CHEVROLET | TRAX | 2013 | 350000 EQUIPMENT |
| CHEVROLET | TRAX | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| BUICK | VERANO | 2013 | 350000 EQUIPMENT |
| BUICK | VERANO | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| CHEVROLET | VOLT | 2013 | 350000 EQUIPMENT |
| CHEVROLET | VOLT | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| CADILLAC | XT5 | 2013 | 350000 EQUIPMENT |
| CADILLAC | XT5 | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| CADILLAC | XTS | 2013 | 350000 EQUIPMENT |
| CADILLAC | XTS | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| GMC | YUKON | 2013 | 350000 EQUIPMENT |
| GMC | YUKON | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| GMC | YUKON DENALI | 2013 | 350000 EQUIPMENT |
| GMC | YUKON DENALI | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| GMC | YUKON DENALI XL | 2013 | 350000 EQUIPMENT |
| GMC | YUKON DENALI XL | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| GMC | YUKON HYBRID | 2013 | 350000 EQUIPMENT |
| GMC | YUKON HYBRID | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| GMC | YUKON XL | 2013 | 350000 EQUIPMENT |
| GMC | YUKON XL | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| GMC | YUKON XL 2500 | 2013 | 350000 EQUIPMENT |
| GMC | YUKON XL 2500 | 2013 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
Related BUICK Recalls
What Should You Do?
If your vehicle is affected by this TSB, contact your authorized BUICK dealer. Bring this bulletin ID (14D115) 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.