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TSB: BUICK ACADIA, ATS, CT6, CTS, ENVISION, EQUINOX, LACROSSE, TERRAIN, XT4, XT5, XTS (2015–2019)

Bulletin PIC6048J — November 19, 2018

Bulletin Details

Bulletin IDPIC6048J
ManufacturerBUICK
ModelsACADIA, ATS, CT6, CTS, ENVISION, EQUINOX, LACROSSE, TERRAIN, XT4, XT5, XTS
Model Years2015–2019
Date IssuedNovember 19, 2018
Date Added to NHTSADecember 17, 2018
ComponentSEATS
Vehicles Affected74 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 communicates to the technician that some customers may comment on the operation of their haptic seat during a Lane Keep Assist event. Lane Keep Assist works differently than Lane Departure Warning. The Lane Keep

Affected Vehicles

MakeModelYearComponent
GMC ACADIA 2019 270000 LANE DEPARTURE
GMC ACADIA 2019 220000 SEATS
CADILLAC ATS 2019 270000 LANE DEPARTURE
CADILLAC ATS 2019 220000 SEATS
CADILLAC CT6 2019 220000 SEATS
CADILLAC CT6 2019 270000 LANE DEPARTURE
CADILLAC CTS 2019 270000 LANE DEPARTURE
CADILLAC CTS 2019 220000 SEATS
BUICK ENVISION 2019 270000 LANE DEPARTURE
BUICK ENVISION 2019 220000 SEATS
CHEVROLET EQUINOX 2019 220000 SEATS
CHEVROLET EQUINOX 2019 270000 LANE DEPARTURE
BUICK LACROSSE 2019 220000 SEATS
BUICK LACROSSE 2019 270000 LANE DEPARTURE
GMC TERRAIN 2019 270000 LANE DEPARTURE
GMC TERRAIN 2019 220000 SEATS
CADILLAC XT4 2019 220000 SEATS
CADILLAC XT4 2019 270000 LANE DEPARTURE
CADILLAC XT5 2019 270000 LANE DEPARTURE
CADILLAC XT5 2019 220000 SEATS
CADILLAC XTS 2019 270000 LANE DEPARTURE
CADILLAC XTS 2019 220000 SEATS
GMC ACADIA 2018 270000 LANE DEPARTURE
GMC ACADIA 2018 220000 SEATS
CADILLAC ATS 2018 270000 LANE DEPARTURE
CADILLAC ATS 2018 220000 SEATS
CADILLAC CT6 2018 270000 LANE DEPARTURE
CADILLAC CT6 2018 220000 SEATS
CADILLAC CTS 2018 270000 LANE DEPARTURE
CADILLAC CTS 2018 220000 SEATS
BUICK ENVISION 2018 270000 LANE DEPARTURE
BUICK ENVISION 2018 220000 SEATS
CHEVROLET EQUINOX 2018 220000 SEATS
CHEVROLET EQUINOX 2018 270000 LANE DEPARTURE
BUICK LACROSSE 2018 220000 SEATS
BUICK LACROSSE 2018 270000 LANE DEPARTURE
GMC TERRAIN 2018 270000 LANE DEPARTURE
GMC TERRAIN 2018 220000 SEATS
CADILLAC XT5 2018 270000 LANE DEPARTURE
CADILLAC XT5 2018 220000 SEATS
CADILLAC XTS 2018 270000 LANE DEPARTURE
CADILLAC XTS 2018 220000 SEATS
GMC ACADIA 2017 270000 LANE DEPARTURE
GMC ACADIA 2017 220000 SEATS
CADILLAC ATS 2017 270000 LANE DEPARTURE
CADILLAC ATS 2017 220000 SEATS
CADILLAC CT6 2017 220000 SEATS
CADILLAC CT6 2017 270000 LANE DEPARTURE
CADILLAC CTS 2017 270000 LANE DEPARTURE
CADILLAC CTS 2017 220000 SEATS
BUICK ENVISION 2017 270000 LANE DEPARTURE
BUICK ENVISION 2017 220000 SEATS
BUICK LACROSSE 2017 270000 LANE DEPARTURE
BUICK LACROSSE 2017 220000 SEATS
CADILLAC XT5 2017 220000 SEATS
CADILLAC XT5 2017 270000 LANE DEPARTURE
CADILLAC XTS 2017 270000 LANE DEPARTURE
CADILLAC XTS 2017 220000 SEATS
CADILLAC ATS 2016 220000 SEATS
CADILLAC ATS 2016 270000 LANE DEPARTURE
CADILLAC CT6 2016 220000 SEATS
CADILLAC CT6 2016 270000 LANE DEPARTURE
CADILLAC CTS 2016 220000 SEATS
CADILLAC CTS 2016 270000 LANE DEPARTURE
BUICK ENVISION 2016 270000 LANE DEPARTURE
BUICK ENVISION 2016 220000 SEATS
CADILLAC XTS 2016 220000 SEATS
CADILLAC XTS 2016 270000 LANE DEPARTURE
CADILLAC ATS 2015 270000 LANE DEPARTURE
CADILLAC ATS 2015 220000 SEATS
CADILLAC CTS 2015 270000 LANE DEPARTURE
CADILLAC CTS 2015 220000 SEATS
CADILLAC XTS 2015 220000 SEATS
CADILLAC XTS 2015 270000 LANE DEPARTURE

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CampaignModelYearComponentSummary
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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 (PIC6048J) 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.

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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.

Back to All TSBs