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 IDPIT5481C
ManufacturerBUICK
ModelsENVISION, EQUINOX, ESCALADE ESV, SIERRA, SIERRA 1500, SIERRA 3500, SILVERADO, SILVERADO 2500, SUBURBAN, TAHOE, TERRAIN, YUKON DENALI
Model Years2016–2018
Date IssuedJanuary 19, 2018
Date Added to NHTSAFebruary 20, 2018
ComponentSTEERING
Vehicles Affected138 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

MakeModelYearComponent
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

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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 (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.