GM bulletin PIT5865B
What it saysThis Preliminary information communicates an issue with adaptive cruise and lane keep assist inoperative due to an internal issue with the front view windshield camera. NHTSA’s full summary ↓
GM filed this with NHTSA as a service bulletin dated Apr 27, 2023, received May 15, 2023, about the forward collision avoidance. It names 17 model years across Chevrolet, GMC, Buick and Cadillac (2021). A service bulletin is not a safety recall: it is the manufacturer telling its dealers how to diagnose or repair a condition, and whether the work is paid for depends on the warranty in force. Quoting the number at a service desk can save a diagnosis.
One page for every brand it was filed under. Each brand’s bulletins: Chevrolet · GMC · Buick · Cadillac.
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What the bulletin says
Source: NHTSA's summary of the manufacturer's communicationPicked out of NHTSA’s summary below, word for word. The document itself is the record, and the dealer checks the VIN.
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.
Document filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| PIT5865B | Service bulletin | Apr 27, 2023 | 10236171 | not found |
The summary is NHTSA’s abstract of the document, as filed under 49 CFR 579.5. One communication is usually filed as several documents — the bulletin, a dealer notice, an owner letter — and the number on any of them finds this page. A PDF link is shown only once NHTSA’s own server has been seen to serve that document; the rest are checked over the following nights. Quote the number at a service desk; it is what the dealer’s system is keyed on.
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Model years it names
Source: as the manufacturer filed themChevrolet 8 model years
GMC 5 model years
Buick 2 model years
Cadillac 2 model years
A vehicle page’s bulletin list shows the newest few communications filed against that model year; the count there is every one.
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What owners reported
Source: NHTSA complaint databaseOwners of the 17 model years this bulletin names have filed 3,288 complaints with NHTSA since 2015. 52 of them name Forward Collision Avoidance — the same broad component group this bulletin is filed under. NHTSA groups complaints coarsely, so that means the same area of the vehicle, not necessarily the same fault.
Front Park Assist (FPA) system did not provide any level of advanced alert until after impact when all conditions were fully met as stated in the user's manual for the Park Assist system. NOTE: Text after bullets are extracts from user's manual while test in () are owner's feedback during incident when FPA failed to alert.
2021 Chevrolet Silverado 2500HD · Forward Collision Avoidance · filed with NHTSA Jul 9, 2021
Purchased my 2021 Chevy Trailblazer in August 2021 with less than 100 miles. After about 500 miles the Lane assist, forward collision assistant and the automatic breaking features all stopped working. Factory reset has been set several times with no fix. The buttons on the steering wheel do not do anything when pressed.
2021 Chevrolet Trailblazer · Forward Collision Avoidance · filed with NHTSA Feb 9, 2022
With cruise control activated, at least 10 times since I bought this expensive vehicle the automated emergency braking activated at highway speeds - causing the vehicle to full brake without warning and nearly causing an accident each time (handling risk and risk of being impacted from behind by a following vehicle).
2021 Chevrolet Suburban · Forward Collision Avoidance · filed with NHTSA Sep 19, 2022
A complaint is one owner’s account, not a defect finding, and a bulletin is not a recall. Nothing here says this bulletin was issued because of these complaints, or that the repair it describes fixed them. Complaint files on this site begin in 2015.
More bulletins about the forward collision avoidance
Source: same model, same component group21 other manufacturer communications filed against these GM models under the same component group (forward collision avoidance), newest first. The eight newest are listed; the rest are on the Chevrolet list.
| Number | Kind | Dated | NHTSA’s summary |
|---|---|---|---|
| 25-NA-118 | Service bulletin | May 8, 2025 | This service bulletin provides information for the technicians to use a Customer Concern Verification sheet to facilitate the questions need… |
| 25-NA-070 | Service bulletin | Mar 21, 2025 | This service bulletin provides information on Super Cruise IME Recognition. |
| 25-NA-060 | Service bulletin | Mar 11, 2025 | This service bulletin provides information for dealers/technicians on Diagnostic Aid - Super Cruise Unavailable. |
| 25-NA-026 | Service bulletin | Feb 11, 2025 | This service bulletin provides repair information to correct a customer concern of Service Drivers Assist Message Illuminated, Super Cruise… |
| PIT6185A | Service bulletin | Jan 14, 2025 | This Preliminary information communicates information to reprogram the Frontview Camera Module for the AEB forward collision icon lamp illum… |
| PIT6186D | Service bulletin | Dec 16, 2024 | This Preliminary information communicates that a customer may see a Super Cruise Unavailable message with multiple codes setting and Enginee… |
| PIC6556G | Service bulletin | Dec 6, 2024 | This Preliminary information communicates to check the drivers monitoring camera for a B1DD0 SYM57 or B0126 SYM82 setting with no other DTCs… |
| PIT6268 | Service bulletin | Oct 29, 2024 | This Preliminary information communicates where the driver is unable to activate Super Cruise along with a DIC message stating "Super Cruise… |
Quote the number at the service desk. It is what the dealer’s system is keyed on.
Every manufacturer communication NHTSA holds for Chevrolet, GMC, Buick and Cadillac, by the number printed on the letter.
Common questions
Source: NHTSA, 49 CFR 579.5Is GM PIT5865B a recall?
No. A service bulletin is a manufacturer communication filed with NHTSA under 49 CFR 579.5; a safety recall carries an NHTSA campaign number (two digits, a letter, six digits) and a federal duty to repair for free. Check the vehicle’s recalls by VIN at nhtsa.gov/recalls, or on its page here.
Is the PIT5865B repair free?
Not automatically. A service bulletin describes how to diagnose or repair a condition; who pays depends on the warranty in force, any extension, and the dealer. Quoting the number can save a diagnosis either way.
Which vehicles does PIT5865B cover?
The manufacturer filed it against 17 model years across 4 brands (Chevrolet, GMC, Buick and Cadillac): 2021 Buick Encore, 2021 Buick Envision, 2021 Cadillac CT4, 2021 Cadillac CT5, 2021 Chevrolet Camaro, 2021 Chevrolet Equinox and more. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.