TSB: BUICK ENVISION, EQUINOX, ESCALADE ESV, SIERRA, SIERRA 1500, SIERRA 3500, SILVERADO, SILVERADO 2500, SUBURBAN, TAHOE, TERRAIN, YUKON DENALI (2016–2018)
Bulletin PIT5481C — January 19, 2018
Bulletin Details
| Bulletin ID | PIT5481C |
| Manufacturer | BUICK |
| Models | ENVISION, EQUINOX, ESCALADE ESV, SIERRA, SIERRA 1500, SIERRA 3500, SILVERADO, SILVERADO 2500, SUBURBAN, TAHOE, TERRAIN, YUKON DENALI |
| Model Years | 2016–2018 |
| Date Issued | January 19, 2018 |
| Date Added to NHTSA | February 20, 2018 |
| Component | STEERING |
| Vehicles Affected | 138 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 communication provides information to the technician with additional information on the functionality of Lane Keep Assist.Starting with2016 model year Lane Keep Assist Regular Production Option Code (UHX) replac
Affected Vehicles
| Make | Model | Year | Component |
|---|---|---|---|
| BUICK | ENVISION | 2018 | 010000 STEERING |
| BUICK | ENVISION | 2018 | 251000 ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC) |
| BUICK | ENVISION | 2018 | 081100 FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY |
| BUICK | ENVISION | 2018 | 100000 POWER TRAIN |
| BUICK | ENVISION | 2018 | 140000 AIR BAGS |
| BUICK | ENVISION | 2018 | 270000 LANE DEPARTURE |
| CHEVROLET | EQUINOX | 2018 | 010000 STEERING |
| CHEVROLET | EQUINOX | 2018 | 251000 ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC) |
| CHEVROLET | EQUINOX | 2018 | 081100 FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY |
| CHEVROLET | EQUINOX | 2018 | 100000 POWER TRAIN |
| CHEVROLET | EQUINOX | 2018 | 140000 AIR BAGS |
| CHEVROLET | EQUINOX | 2018 | 270000 LANE DEPARTURE |
| CADILLAC | ESCALADE ESV | 2018 | 010000 STEERING |
| CADILLAC | ESCALADE ESV | 2018 | 251000 ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC) |
| CADILLAC | ESCALADE ESV | 2018 | 081100 FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY |
| CADILLAC | ESCALADE ESV | 2018 | 100000 POWER TRAIN |
| CADILLAC | ESCALADE ESV | 2018 | 140000 AIR BAGS |
| CADILLAC | ESCALADE ESV | 2018 | 270000 LANE DEPARTURE |
| GMC | SIERRA 3500 | 2018 | 010000 STEERING |
| GMC | SIERRA 3500 | 2018 | 251000 ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC) |
| GMC | SIERRA 3500 | 2018 | 081100 FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY |
| GMC | SIERRA 3500 | 2018 | 100000 POWER TRAIN |
| GMC | SIERRA 3500 | 2018 | 140000 AIR BAGS |
| GMC | SIERRA 3500 | 2018 | 270000 LANE DEPARTURE |
| CHEVROLET | SILVERADO 2500 | 2018 | 010000 STEERING |
| CHEVROLET | SILVERADO 2500 | 2018 | 251000 ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC) |
| CHEVROLET | SILVERADO 2500 | 2018 | 081100 FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY |
| CHEVROLET | SILVERADO 2500 | 2018 | 100000 POWER TRAIN |
| CHEVROLET | SILVERADO 2500 | 2018 | 140000 AIR BAGS |
| CHEVROLET | SILVERADO 2500 | 2018 | 270000 LANE DEPARTURE |
| CHEVROLET | SUBURBAN | 2018 | 010000 STEERING |
| CHEVROLET | SUBURBAN | 2018 | 251000 ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC) |
| CHEVROLET | SUBURBAN | 2018 | 081100 FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY |
| CHEVROLET | SUBURBAN | 2018 | 100000 POWER TRAIN |
| CHEVROLET | SUBURBAN | 2018 | 140000 AIR BAGS |
| CHEVROLET | SUBURBAN | 2018 | 270000 LANE DEPARTURE |
| CHEVROLET | TAHOE | 2018 | 010000 STEERING |
| CHEVROLET | TAHOE | 2018 | 251000 ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC) |
| CHEVROLET | TAHOE | 2018 | 081100 FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY |
| CHEVROLET | TAHOE | 2018 | 100000 POWER TRAIN |
| CHEVROLET | TAHOE | 2018 | 140000 AIR BAGS |
| CHEVROLET | TAHOE | 2018 | 270000 LANE DEPARTURE |
| GMC | TERRAIN | 2018 | 010000 STEERING |
| GMC | TERRAIN | 2018 | 251000 ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC) |
| GMC | TERRAIN | 2018 | 081100 FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY |
| GMC | TERRAIN | 2018 | 100000 POWER TRAIN |
| GMC | TERRAIN | 2018 | 140000 AIR BAGS |
| GMC | TERRAIN | 2018 | 270000 LANE DEPARTURE |
| GMC | YUKON DENALI | 2018 | 010000 STEERING |
| GMC | YUKON DENALI | 2018 | 251000 ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC) |
| GMC | YUKON DENALI | 2018 | 081100 FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY |
| GMC | YUKON DENALI | 2018 | 100000 POWER TRAIN |
| GMC | YUKON DENALI | 2018 | 140000 AIR BAGS |
| GMC | YUKON DENALI | 2018 | 270000 LANE DEPARTURE |
| BUICK | ENVISION | 2017 | 010000 STEERING |
| BUICK | ENVISION | 2017 | 251000 ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC) |
| BUICK | ENVISION | 2017 | 081100 FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY |
| BUICK | ENVISION | 2017 | 100000 POWER TRAIN |
| BUICK | ENVISION | 2017 | 140000 AIR BAGS |
| BUICK | ENVISION | 2017 | 270000 LANE DEPARTURE |
| CADILLAC | ESCALADE ESV | 2017 | 010000 STEERING |
| CADILLAC | ESCALADE ESV | 2017 | 251000 ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC) |
| CADILLAC | ESCALADE ESV | 2017 | 081100 FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY |
| CADILLAC | ESCALADE ESV | 2017 | 100000 POWER TRAIN |
| CADILLAC | ESCALADE ESV | 2017 | 140000 AIR BAGS |
| CADILLAC | ESCALADE ESV | 2017 | 270000 LANE DEPARTURE |
| GMC | SIERRA | 2017 | 010000 STEERING |
| GMC | SIERRA | 2017 | 251000 ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC) |
| GMC | SIERRA | 2017 | 081100 FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY |
| GMC | SIERRA | 2017 | 100000 POWER TRAIN |
| GMC | SIERRA | 2017 | 140000 AIR BAGS |
| GMC | SIERRA | 2017 | 270000 LANE DEPARTURE |
| CHEVROLET | SILVERADO | 2017 | 010000 STEERING |
| CHEVROLET | SILVERADO | 2017 | 251000 ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC) |
| CHEVROLET | SILVERADO | 2017 | 081100 FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY |
| CHEVROLET | SILVERADO | 2017 | 100000 POWER TRAIN |
| CHEVROLET | SILVERADO | 2017 | 140000 AIR BAGS |
| CHEVROLET | SILVERADO | 2017 | 270000 LANE DEPARTURE |
| CHEVROLET | SUBURBAN | 2017 | 010000 STEERING |
| CHEVROLET | SUBURBAN | 2017 | 251000 ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC) |
| CHEVROLET | SUBURBAN | 2017 | 081100 FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY |
| CHEVROLET | SUBURBAN | 2017 | 100000 POWER TRAIN |
| CHEVROLET | SUBURBAN | 2017 | 140000 AIR BAGS |
| CHEVROLET | SUBURBAN | 2017 | 270000 LANE DEPARTURE |
| CHEVROLET | TAHOE | 2017 | 010000 STEERING |
| CHEVROLET | TAHOE | 2017 | 251000 ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC) |
| CHEVROLET | TAHOE | 2017 | 081100 FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY |
| CHEVROLET | TAHOE | 2017 | 100000 POWER TRAIN |
| CHEVROLET | TAHOE | 2017 | 140000 AIR BAGS |
| CHEVROLET | TAHOE | 2017 | 270000 LANE DEPARTURE |
| GMC | YUKON DENALI | 2017 | 010000 STEERING |
| GMC | YUKON DENALI | 2017 | 251000 ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC) |
| GMC | YUKON DENALI | 2017 | 081100 FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY |
| GMC | YUKON DENALI | 2017 | 100000 POWER TRAIN |
| GMC | YUKON DENALI | 2017 | 140000 AIR BAGS |
| GMC | YUKON DENALI | 2017 | 270000 LANE DEPARTURE |
| BUICK | ENVISION | 2016 | 010000 STEERING |
| BUICK | ENVISION | 2016 | 251000 ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC) |
| BUICK | ENVISION | 2016 | 081100 FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY |
| BUICK | ENVISION | 2016 | 100000 POWER TRAIN |
| BUICK | ENVISION | 2016 | 140000 AIR BAGS |
| BUICK | ENVISION | 2016 | 270000 LANE DEPARTURE |
| CADILLAC | ESCALADE ESV | 2016 | 010000 STEERING |
| CADILLAC | ESCALADE ESV | 2016 | 251000 ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC) |
| CADILLAC | ESCALADE ESV | 2016 | 081100 FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY |
| CADILLAC | ESCALADE ESV | 2016 | 100000 POWER TRAIN |
| CADILLAC | ESCALADE ESV | 2016 | 140000 AIR BAGS |
| CADILLAC | ESCALADE ESV | 2016 | 270000 LANE DEPARTURE |
| GMC | SIERRA 1500 | 2016 | 010000 STEERING |
| GMC | SIERRA 1500 | 2016 | 251000 ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC) |
| GMC | SIERRA 1500 | 2016 | 081100 FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY |
| GMC | SIERRA 1500 | 2016 | 100000 POWER TRAIN |
| GMC | SIERRA 1500 | 2016 | 140000 AIR BAGS |
| GMC | SIERRA 1500 | 2016 | 270000 LANE DEPARTURE |
| CHEVROLET | SILVERADO 2500 | 2016 | 010000 STEERING |
| CHEVROLET | SILVERADO 2500 | 2016 | 251000 ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC) |
| CHEVROLET | SILVERADO 2500 | 2016 | 081100 FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY |
| CHEVROLET | SILVERADO 2500 | 2016 | 100000 POWER TRAIN |
| CHEVROLET | SILVERADO 2500 | 2016 | 140000 AIR BAGS |
| CHEVROLET | SILVERADO 2500 | 2016 | 270000 LANE DEPARTURE |
| CHEVROLET | SUBURBAN | 2016 | 010000 STEERING |
| CHEVROLET | SUBURBAN | 2016 | 251000 ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC) |
| CHEVROLET | SUBURBAN | 2016 | 081100 FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY |
| CHEVROLET | SUBURBAN | 2016 | 100000 POWER TRAIN |
| CHEVROLET | SUBURBAN | 2016 | 140000 AIR BAGS |
| CHEVROLET | SUBURBAN | 2016 | 270000 LANE DEPARTURE |
| CHEVROLET | TAHOE | 2016 | 010000 STEERING |
| CHEVROLET | TAHOE | 2016 | 251000 ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC) |
| CHEVROLET | TAHOE | 2016 | 081100 FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY |
| CHEVROLET | TAHOE | 2016 | 100000 POWER TRAIN |
| CHEVROLET | TAHOE | 2016 | 140000 AIR BAGS |
| CHEVROLET | TAHOE | 2016 | 270000 LANE DEPARTURE |
| GMC | YUKON DENALI | 2016 | 010000 STEERING |
| GMC | YUKON DENALI | 2016 | 251000 ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC) |
| GMC | YUKON DENALI | 2016 | 081100 FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY |
| GMC | YUKON DENALI | 2016 | 100000 POWER TRAIN |
| GMC | YUKON DENALI | 2016 | 140000 AIR BAGS |
| GMC | YUKON DENALI | 2016 | 270000 LANE DEPARTURE |
Related BUICK Recalls
What Should You Do?
If your vehicle is affected by this TSB, contact your authorized BUICK dealer. Bring this bulletin ID (PIT5481C) 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.