TSB: BUICK ACADIA, AVALANCHE, ENCLAVE, ESCALADE, ESCALADE ESV, ESCALADE EXT, SIERRA, SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILVERADO, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SUBURBAN, TAHOE, TRAVERSE, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON HYBRID, YUKON XL, YUKON XL 1500, YUKON XL 2500 (2012)
Bulletin PIT5170 — October 1, 2012
Bulletin Details
| Bulletin ID | PIT5170 |
| Manufacturer | BUICK |
| Models | ACADIA, AVALANCHE, ENCLAVE, ESCALADE, ESCALADE ESV, ESCALADE EXT, SIERRA, SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILVERADO, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SUBURBAN, TAHOE, TRAVERSE, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON HYBRID, YUKON XL, YUKON XL 1500, YUKON XL 2500 |
| Model Years | 2012 |
| Date Issued | October 1, 2012 |
| Date Added to NHTSA | December 25, 2023 |
| Component | ELECTRICAL SYSTEM |
| Vehicles Affected | 104 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
Power Seat Moves In Short Bursts and/or Heated Seats
Affected Vehicles
| Make | Model | Year | Component |
|---|---|---|---|
| GMC | ACADIA | 2012 | 221700 SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER |
| GMC | ACADIA | 2012 | 353000 EQUIPMENT:ELECTRICAL |
| GMC | ACADIA | 2012 | 110000 ELECTRICAL SYSTEM |
| GMC | ACADIA | 2012 | 221600 SEATS:FRONT ASSEMBLY:POWER ADJUST |
| GMC | ACADIA | 2012 | 110000 ELECTRICAL SYSTEM |
| GMC | ACADIA | 2012 | 220000 SEATS |
| CHEVROLET | AVALANCHE | 2012 | 221700 SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER |
| CHEVROLET | AVALANCHE | 2012 | 353000 EQUIPMENT:ELECTRICAL |
| CHEVROLET | AVALANCHE | 2012 | 110000 ELECTRICAL SYSTEM |
| CHEVROLET | AVALANCHE | 2012 | 221600 SEATS:FRONT ASSEMBLY:POWER ADJUST |
| CHEVROLET | AVALANCHE | 2012 | 110000 ELECTRICAL SYSTEM |
| CHEVROLET | AVALANCHE | 2012 | 220000 SEATS |
| BUICK | ENCLAVE | 2012 | 221700 SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER |
| BUICK | ENCLAVE | 2012 | 353000 EQUIPMENT:ELECTRICAL |
| BUICK | ENCLAVE | 2012 | 110000 ELECTRICAL SYSTEM |
| BUICK | ENCLAVE | 2012 | 221600 SEATS:FRONT ASSEMBLY:POWER ADJUST |
| BUICK | ENCLAVE | 2012 | 110000 ELECTRICAL SYSTEM |
| BUICK | ENCLAVE | 2012 | 220000 SEATS |
| CADILLAC | ESCALADE | 2012 | 221700 SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER |
| CADILLAC | ESCALADE | 2012 | 353000 EQUIPMENT:ELECTRICAL |
| CADILLAC | ESCALADE ESV | 2012 | 221700 SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER |
| CADILLAC | ESCALADE ESV | 2012 | 353000 EQUIPMENT:ELECTRICAL |
| CADILLAC | ESCALADE ESV | 2012 | 110000 ELECTRICAL SYSTEM |
| CADILLAC | ESCALADE ESV | 2012 | 221600 SEATS:FRONT ASSEMBLY:POWER ADJUST |
| CADILLAC | ESCALADE ESV | 2012 | 110000 ELECTRICAL SYSTEM |
| CADILLAC | ESCALADE ESV | 2012 | 220000 SEATS |
| CADILLAC | ESCALADE EXT | 2012 | 221700 SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER |
| CADILLAC | ESCALADE EXT | 2012 | 353000 EQUIPMENT:ELECTRICAL |
| GMC | SIERRA | 2012 | 221700 SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER |
| GMC | SIERRA | 2012 | 353000 EQUIPMENT:ELECTRICAL |
| GMC | SIERRA 1500 | 2012 | 110000 ELECTRICAL SYSTEM |
| GMC | SIERRA 1500 | 2012 | 221600 SEATS:FRONT ASSEMBLY:POWER ADJUST |
| GMC | SIERRA 1500 | 2012 | 110000 ELECTRICAL SYSTEM |
| GMC | SIERRA 1500 | 2012 | 220000 SEATS |
| GMC | SIERRA 2500 | 2012 | 110000 ELECTRICAL SYSTEM |
| GMC | SIERRA 2500 | 2012 | 221600 SEATS:FRONT ASSEMBLY:POWER ADJUST |
| GMC | SIERRA 2500 | 2012 | 110000 ELECTRICAL SYSTEM |
| GMC | SIERRA 2500 | 2012 | 220000 SEATS |
| GMC | SIERRA 3500 | 2012 | 110000 ELECTRICAL SYSTEM |
| GMC | SIERRA 3500 | 2012 | 221600 SEATS:FRONT ASSEMBLY:POWER ADJUST |
| GMC | SIERRA 3500 | 2012 | 110000 ELECTRICAL SYSTEM |
| GMC | SIERRA 3500 | 2012 | 220000 SEATS |
| GMC | SIERRA DENALI | 2012 | 221700 SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER |
| GMC | SIERRA DENALI | 2012 | 353000 EQUIPMENT:ELECTRICAL |
| CHEVROLET | SILVERADO | 2012 | 221700 SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER |
| CHEVROLET | SILVERADO | 2012 | 353000 EQUIPMENT:ELECTRICAL |
| CHEVROLET | SILVERADO 1500 | 2012 | 110000 ELECTRICAL SYSTEM |
| CHEVROLET | SILVERADO 1500 | 2012 | 221600 SEATS:FRONT ASSEMBLY:POWER ADJUST |
| CHEVROLET | SILVERADO 1500 | 2012 | 110000 ELECTRICAL SYSTEM |
| CHEVROLET | SILVERADO 1500 | 2012 | 220000 SEATS |
| CHEVROLET | SILVERADO 2500 | 2012 | 110000 ELECTRICAL SYSTEM |
| CHEVROLET | SILVERADO 2500 | 2012 | 220000 SEATS |
| CHEVROLET | SILVERADO 3500 | 2012 | 110000 ELECTRICAL SYSTEM |
| CHEVROLET | SILVERADO 3500 | 2012 | 220000 SEATS |
| CHEVROLET | SUBURBAN | 2012 | 221700 SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER |
| CHEVROLET | SUBURBAN | 2012 | 353000 EQUIPMENT:ELECTRICAL |
| CHEVROLET | SUBURBAN | 2012 | 110000 ELECTRICAL SYSTEM |
| CHEVROLET | SUBURBAN | 2012 | 221600 SEATS:FRONT ASSEMBLY:POWER ADJUST |
| CHEVROLET | SUBURBAN | 2012 | 110000 ELECTRICAL SYSTEM |
| CHEVROLET | SUBURBAN | 2012 | 220000 SEATS |
| CHEVROLET | TAHOE | 2012 | 221700 SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER |
| CHEVROLET | TAHOE | 2012 | 353000 EQUIPMENT:ELECTRICAL |
| CHEVROLET | TAHOE | 2012 | 110000 ELECTRICAL SYSTEM |
| CHEVROLET | TAHOE | 2012 | 221600 SEATS:FRONT ASSEMBLY:POWER ADJUST |
| CHEVROLET | TAHOE | 2012 | 110000 ELECTRICAL SYSTEM |
| CHEVROLET | TAHOE | 2012 | 220000 SEATS |
| CHEVROLET | TRAVERSE | 2012 | 221700 SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER |
| CHEVROLET | TRAVERSE | 2012 | 353000 EQUIPMENT:ELECTRICAL |
| CHEVROLET | TRAVERSE | 2012 | 110000 ELECTRICAL SYSTEM |
| CHEVROLET | TRAVERSE | 2012 | 221600 SEATS:FRONT ASSEMBLY:POWER ADJUST |
| CHEVROLET | TRAVERSE | 2012 | 110000 ELECTRICAL SYSTEM |
| CHEVROLET | TRAVERSE | 2012 | 220000 SEATS |
| GMC | YUKON | 2012 | 221700 SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER |
| GMC | YUKON | 2012 | 353000 EQUIPMENT:ELECTRICAL |
| GMC | YUKON | 2012 | 110000 ELECTRICAL SYSTEM |
| GMC | YUKON | 2012 | 221600 SEATS:FRONT ASSEMBLY:POWER ADJUST |
| GMC | YUKON | 2012 | 110000 ELECTRICAL SYSTEM |
| GMC | YUKON | 2012 | 220000 SEATS |
| GMC | YUKON DENALI | 2012 | 221700 SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER |
| GMC | YUKON DENALI | 2012 | 353000 EQUIPMENT:ELECTRICAL |
| GMC | YUKON DENALI | 2012 | 110000 ELECTRICAL SYSTEM |
| GMC | YUKON DENALI | 2012 | 221600 SEATS:FRONT ASSEMBLY:POWER ADJUST |
| GMC | YUKON DENALI | 2012 | 110000 ELECTRICAL SYSTEM |
| GMC | YUKON DENALI | 2012 | 220000 SEATS |
| GMC | YUKON DENALI XL | 2012 | 221700 SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER |
| GMC | YUKON DENALI XL | 2012 | 353000 EQUIPMENT:ELECTRICAL |
| GMC | YUKON DENALI XL | 2012 | 110000 ELECTRICAL SYSTEM |
| GMC | YUKON DENALI XL | 2012 | 221600 SEATS:FRONT ASSEMBLY:POWER ADJUST |
| GMC | YUKON DENALI XL | 2012 | 110000 ELECTRICAL SYSTEM |
| GMC | YUKON DENALI XL | 2012 | 220000 SEATS |
| GMC | YUKON HYBRID | 2012 | 110000 ELECTRICAL SYSTEM |
| GMC | YUKON HYBRID | 2012 | 221600 SEATS:FRONT ASSEMBLY:POWER ADJUST |
| GMC | YUKON HYBRID | 2012 | 110000 ELECTRICAL SYSTEM |
| GMC | YUKON HYBRID | 2012 | 220000 SEATS |
| GMC | YUKON XL | 2012 | 221700 SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER |
| GMC | YUKON XL | 2012 | 353000 EQUIPMENT:ELECTRICAL |
| GMC | YUKON XL | 2012 | 110000 ELECTRICAL SYSTEM |
| GMC | YUKON XL | 2012 | 221600 SEATS:FRONT ASSEMBLY:POWER ADJUST |
| GMC | YUKON XL | 2012 | 110000 ELECTRICAL SYSTEM |
| GMC | YUKON XL | 2012 | 220000 SEATS |
| GMC | YUKON XL 1500 | 2012 | 110000 ELECTRICAL SYSTEM |
| GMC | YUKON XL 1500 | 2012 | 220000 SEATS |
| GMC | YUKON XL 2500 | 2012 | 110000 ELECTRICAL SYSTEM |
| GMC | YUKON XL 2500 | 2012 | 220000 SEATS |
Related BUICK Recalls
What Should You Do?
If your vehicle is affected by this TSB, contact your authorized BUICK dealer. Bring this bulletin ID (PIT5170) 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.