TSB: BUICK ACADIA, ATS, BLAZER, BOLT EV, CT6, CTS, ENCLAVE, EQUINOX, ESCALADE, ESCALADE ESV, MALIBU, SIERRA 1500, SIERRA 2500, SILVERADO 1500, SILVERADO 2500, SUBURBAN, TAHOE, TERRAIN, TRAVERSE, VOLT, XT4, XT5, XTS, YUKON DENALI, YUKON XL (2013–2021)

Bulletin PIT5551F — October 7, 2020

Bulletin Details

Bulletin IDPIT5551F
ManufacturerBUICK
ModelsACADIA, ATS, BLAZER, BOLT EV, CT6, CTS, ENCLAVE, EQUINOX, ESCALADE, ESCALADE ESV, MALIBU, SIERRA 1500, SIERRA 2500, SILVERADO 1500, SILVERADO 2500, SUBURBAN, TAHOE, TERRAIN, TRAVERSE, VOLT, XT4, XT5, XTS, YUKON DENALI, YUKON XL
Model Years2013–2021
Date IssuedOctober 7, 2020
Date Added to NHTSANovember 16, 2020
ComponentFORWARD COLLISION AVOIDANCE
Vehicles Affected98 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 a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert".

Affected Vehicles

MakeModelYearComponent
GMC ACADIA 2021 260000 FORWARD COLLISION AVOIDANCE
CHEVROLET BLAZER 2021 260000 FORWARD COLLISION AVOIDANCE
CHEVROLET BOLT EV 2021 260000 FORWARD COLLISION AVOIDANCE
BUICK ENCLAVE 2021 260000 FORWARD COLLISION AVOIDANCE
CHEVROLET EQUINOX 2021 260000 FORWARD COLLISION AVOIDANCE
CADILLAC ESCALADE 2021 260000 FORWARD COLLISION AVOIDANCE
CHEVROLET MALIBU 2021 260000 FORWARD COLLISION AVOIDANCE
GMC SIERRA 1500 2021 260000 FORWARD COLLISION AVOIDANCE
CHEVROLET SILVERADO 1500 2021 260000 FORWARD COLLISION AVOIDANCE
CHEVROLET SUBURBAN 2021 260000 FORWARD COLLISION AVOIDANCE
CHEVROLET TAHOE 2021 260000 FORWARD COLLISION AVOIDANCE
GMC TERRAIN 2021 260000 FORWARD COLLISION AVOIDANCE
CHEVROLET TRAVERSE 2021 260000 FORWARD COLLISION AVOIDANCE
CADILLAC XT4 2021 260000 FORWARD COLLISION AVOIDANCE
CADILLAC XT5 2021 260000 FORWARD COLLISION AVOIDANCE
GMC YUKON XL 2021 260000 FORWARD COLLISION AVOIDANCE
GMC ACADIA 2020 260000 FORWARD COLLISION AVOIDANCE
CHEVROLET BLAZER 2020 260000 FORWARD COLLISION AVOIDANCE
CHEVROLET BOLT EV 2020 260000 FORWARD COLLISION AVOIDANCE
CADILLAC CT6 2020 260000 FORWARD COLLISION AVOIDANCE
BUICK ENCLAVE 2020 260000 FORWARD COLLISION AVOIDANCE
CHEVROLET EQUINOX 2020 260000 FORWARD COLLISION AVOIDANCE
CADILLAC ESCALADE ESV 2020 260000 FORWARD COLLISION AVOIDANCE
CHEVROLET MALIBU 2020 260000 FORWARD COLLISION AVOIDANCE
GMC SIERRA 2500 2020 260000 FORWARD COLLISION AVOIDANCE
CHEVROLET SILVERADO 2500 2020 260000 FORWARD COLLISION AVOIDANCE
CHEVROLET SUBURBAN 2020 260000 FORWARD COLLISION AVOIDANCE
CHEVROLET TAHOE 2020 260000 FORWARD COLLISION AVOIDANCE
GMC TERRAIN 2020 260000 FORWARD COLLISION AVOIDANCE
CHEVROLET TRAVERSE 2020 260000 FORWARD COLLISION AVOIDANCE
CADILLAC XT4 2020 260000 FORWARD COLLISION AVOIDANCE
CADILLAC XT5 2020 260000 FORWARD COLLISION AVOIDANCE
GMC YUKON XL 2020 260000 FORWARD COLLISION AVOIDANCE
GMC ACADIA 2019 260000 FORWARD COLLISION AVOIDANCE
CADILLAC ATS 2019 260000 FORWARD COLLISION AVOIDANCE
CHEVROLET BLAZER 2019 260000 FORWARD COLLISION AVOIDANCE
CHEVROLET BOLT EV 2019 260000 FORWARD COLLISION AVOIDANCE
CADILLAC CT6 2019 260000 FORWARD COLLISION AVOIDANCE
CADILLAC CTS 2019 260000 FORWARD COLLISION AVOIDANCE
BUICK ENCLAVE 2019 260000 FORWARD COLLISION AVOIDANCE
CHEVROLET EQUINOX 2019 260000 FORWARD COLLISION AVOIDANCE
CADILLAC ESCALADE ESV 2019 260000 FORWARD COLLISION AVOIDANCE
CHEVROLET MALIBU 2019 260000 FORWARD COLLISION AVOIDANCE
GMC SIERRA 1500 2019 260000 FORWARD COLLISION AVOIDANCE
CHEVROLET SILVERADO 1500 2019 260000 FORWARD COLLISION AVOIDANCE
CHEVROLET SUBURBAN 2019 260000 FORWARD COLLISION AVOIDANCE
CHEVROLET TAHOE 2019 260000 FORWARD COLLISION AVOIDANCE
GMC TERRAIN 2019 260000 FORWARD COLLISION AVOIDANCE
CHEVROLET TRAVERSE 2019 260000 FORWARD COLLISION AVOIDANCE
CHEVROLET VOLT 2019 260000 FORWARD COLLISION AVOIDANCE
CADILLAC XT4 2019 260000 FORWARD COLLISION AVOIDANCE
CADILLAC XT5 2019 260000 FORWARD COLLISION AVOIDANCE
CADILLAC XTS 2019 260000 FORWARD COLLISION AVOIDANCE
GMC YUKON DENALI 2019 260000 FORWARD COLLISION AVOIDANCE
GMC ACADIA 2018 260000 FORWARD COLLISION AVOIDANCE
CADILLAC ATS 2018 260000 FORWARD COLLISION AVOIDANCE
CHEVROLET BOLT EV 2018 260000 FORWARD COLLISION AVOIDANCE
CADILLAC CT6 2018 260000 FORWARD COLLISION AVOIDANCE
CADILLAC CTS 2018 260000 FORWARD COLLISION AVOIDANCE
BUICK ENCLAVE 2018 260000 FORWARD COLLISION AVOIDANCE
CHEVROLET EQUINOX 2018 260000 FORWARD COLLISION AVOIDANCE
CADILLAC ESCALADE ESV 2018 260000 FORWARD COLLISION AVOIDANCE
CHEVROLET MALIBU 2018 260000 FORWARD COLLISION AVOIDANCE
GMC SIERRA 1500 2018 260000 FORWARD COLLISION AVOIDANCE
CHEVROLET SILVERADO 1500 2018 260000 FORWARD COLLISION AVOIDANCE
CHEVROLET SUBURBAN 2018 260000 FORWARD COLLISION AVOIDANCE
CHEVROLET TAHOE 2018 260000 FORWARD COLLISION AVOIDANCE
GMC TERRAIN 2018 260000 FORWARD COLLISION AVOIDANCE
CHEVROLET TRAVERSE 2018 260000 FORWARD COLLISION AVOIDANCE
CHEVROLET VOLT 2018 260000 FORWARD COLLISION AVOIDANCE
CADILLAC XT5 2018 260000 FORWARD COLLISION AVOIDANCE
CADILLAC XTS 2018 260000 FORWARD COLLISION AVOIDANCE
GMC YUKON DENALI 2018 260000 FORWARD COLLISION AVOIDANCE
GMC ACADIA 2017 260000 FORWARD COLLISION AVOIDANCE
CADILLAC ATS 2017 260000 FORWARD COLLISION AVOIDANCE
CHEVROLET BOLT EV 2017 260000 FORWARD COLLISION AVOIDANCE
CADILLAC CT6 2017 260000 FORWARD COLLISION AVOIDANCE
CADILLAC CTS 2017 260000 FORWARD COLLISION AVOIDANCE
CADILLAC ESCALADE ESV 2017 260000 FORWARD COLLISION AVOIDANCE
CHEVROLET MALIBU 2017 260000 FORWARD COLLISION AVOIDANCE
GMC SIERRA 1500 2017 260000 FORWARD COLLISION AVOIDANCE
CHEVROLET SILVERADO 1500 2017 260000 FORWARD COLLISION AVOIDANCE
CHEVROLET SUBURBAN 2017 260000 FORWARD COLLISION AVOIDANCE
CHEVROLET TAHOE 2017 260000 FORWARD COLLISION AVOIDANCE
CHEVROLET VOLT 2017 260000 FORWARD COLLISION AVOIDANCE
CADILLAC XT5 2017 260000 FORWARD COLLISION AVOIDANCE
GMC YUKON DENALI 2017 260000 FORWARD COLLISION AVOIDANCE
CADILLAC ATS 2016 260000 FORWARD COLLISION AVOIDANCE
CADILLAC CT6 2016 260000 FORWARD COLLISION AVOIDANCE
CADILLAC CTS 2016 260000 FORWARD COLLISION AVOIDANCE
CADILLAC ESCALADE ESV 2016 260000 FORWARD COLLISION AVOIDANCE
CHEVROLET MALIBU 2016 260000 FORWARD COLLISION AVOIDANCE
CHEVROLET VOLT 2016 260000 FORWARD COLLISION AVOIDANCE
CADILLAC ATS 2015 260000 FORWARD COLLISION AVOIDANCE
CADILLAC CTS 2015 260000 FORWARD COLLISION AVOIDANCE
CADILLAC ATS 2014 260000 FORWARD COLLISION AVOIDANCE
CADILLAC CTS 2014 260000 FORWARD COLLISION AVOIDANCE
CADILLAC ATS 2013 260000 FORWARD COLLISION AVOIDANCE

Related BUICK Recalls

CampaignModelYearComponentSummary
REGAL 2013 SUSPENSION:REAR General Motors, LLC (GM) is recalling certain 2012–2013 Buick Regal Turbo and...
REGAL 2012 SUSPENSION:REAR General Motors, LLC (GM) is recalling certain 2012–2013 Buick Regal Turbo and...
ENCLAVE 2026 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER ... General Motors has decided that certain 2027 Chevrolet Bolt EV, 2025-2026 Cad...
ENVISION 2026 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER ... General Motors has decided that certain 2027 Chevrolet Bolt EV, 2025-2026 Cad...
VERANO 2014 AIR BAGS:SIDE/WINDOW General Motors, LLC (GM) is recalling certain 2014 Buick Verano and Chevrolet...

What Should You Do?

If your vehicle is affected by this TSB, contact your authorized BUICK dealer. Bring this bulletin ID (PIT5551F) 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.