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TSB: BUICK CAMARO, CT4, CT5, ENCORE GX, ENVISION, EQUINOX, SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SUBURBAN, TAHOE, TERRAIN, TRAILBLAZER, YUKON XL (2021)

Bulletin PIT5865B — April 27, 2023

Bulletin Details

Bulletin IDPIT5865B
ManufacturerBUICK
ModelsCAMARO, CT4, CT5, ENCORE GX, ENVISION, EQUINOX, SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SUBURBAN, TAHOE, TERRAIN, TRAILBLAZER, YUKON XL
Model Years2021
Date IssuedApril 27, 2023
Date Added to NHTSAMay 15, 2023
ComponentFORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL
Vehicles Affected34 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 an issue with adaptive cruise and lane keep assist inoperative due to an internal issue with the front view windshield camera. Dealers are to replace the camera.

Affected Vehicles

MakeModelYearComponent
CHEVROLET CAMARO 2021 263000 FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL
CHEVROLET CAMARO 2021 274100 LANE DEPARTURE: LANE KEEP: AUTOMATIC STEERING
CADILLAC CT4 2021 274100 LANE DEPARTURE: LANE KEEP: AUTOMATIC STEERING
CADILLAC CT4 2021 263000 FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL
CADILLAC CT5 2021 274100 LANE DEPARTURE: LANE KEEP: AUTOMATIC STEERING
CADILLAC CT5 2021 263000 FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL
BUICK ENCORE GX 2021 274100 LANE DEPARTURE: LANE KEEP: AUTOMATIC STEERING
BUICK ENCORE GX 2021 263000 FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL
BUICK ENVISION 2021 274100 LANE DEPARTURE: LANE KEEP: AUTOMATIC STEERING
BUICK ENVISION 2021 263000 FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL
CHEVROLET EQUINOX 2021 274100 LANE DEPARTURE: LANE KEEP: AUTOMATIC STEERING
CHEVROLET EQUINOX 2021 263000 FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL
GMC SIERRA 1500 2021 263000 FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL
GMC SIERRA 1500 2021 274100 LANE DEPARTURE: LANE KEEP: AUTOMATIC STEERING
GMC SIERRA 2500 2021 263000 FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL
GMC SIERRA 2500 2021 274100 LANE DEPARTURE: LANE KEEP: AUTOMATIC STEERING
GMC SIERRA 3500 2021 274100 LANE DEPARTURE: LANE KEEP: AUTOMATIC STEERING
GMC SIERRA 3500 2021 263000 FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL
CHEVROLET SILVERADO 1500 2021 263000 FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL
CHEVROLET SILVERADO 1500 2021 274100 LANE DEPARTURE: LANE KEEP: AUTOMATIC STEERING
CHEVROLET SILVERADO 2500 2021 274100 LANE DEPARTURE: LANE KEEP: AUTOMATIC STEERING
CHEVROLET SILVERADO 2500 2021 263000 FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL
CHEVROLET SILVERADO 3500 2021 274100 LANE DEPARTURE: LANE KEEP: AUTOMATIC STEERING
CHEVROLET SILVERADO 3500 2021 263000 FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL
CHEVROLET SUBURBAN 2021 274100 LANE DEPARTURE: LANE KEEP: AUTOMATIC STEERING
CHEVROLET SUBURBAN 2021 263000 FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL
CHEVROLET TAHOE 2021 274100 LANE DEPARTURE: LANE KEEP: AUTOMATIC STEERING
CHEVROLET TAHOE 2021 263000 FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL
GMC TERRAIN 2021 263000 FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL
GMC TERRAIN 2021 274100 LANE DEPARTURE: LANE KEEP: AUTOMATIC STEERING
CHEVROLET TRAILBLAZER 2021 274100 LANE DEPARTURE: LANE KEEP: AUTOMATIC STEERING
CHEVROLET TRAILBLAZER 2021 263000 FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL
GMC YUKON XL 2021 274100 LANE DEPARTURE: LANE KEEP: AUTOMATIC STEERING
GMC YUKON XL 2021 263000 FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL

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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 (PIT5865B) 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