GM bulletin PIC6539
What it saysThis Preliminary information communicates to the technician the normal operation of the heated steering wheel during a remote start event. NHTSA’s full summary ↓
GM filed this with NHTSA as a service bulletin dated Feb 14, 2024, received Mar 18, 2024, about the steering. It names 4 model years across Chevrolet and Buick (2024). 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 · Buick.
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What the bulletin says
Source: NHTSA's summary of the manufacturer's communicationThis Preliminary information communicates to the technician the normal operation of the heated steering wheel during a remote start event.
Document filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| PIC6539 | Service bulletin | Feb 14, 2024 | 10251695 | 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.
Model years it names
Source: as the manufacturer filed themChevrolet 2 model years
Buick 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 4 model years this bulletin names have filed 309 complaints with NHTSA since 2015.
The contact leased a 2024 Buick Encore. The contact stated that while driving 70 MPH, the steering wheel was pulling to the left and to the right. The contact was able to remain in the middle lane. The contact had to use both hands while driving the vehicle. There were no warning lights illuminated.
2024 Buick Encore · Steering · filed with NHTSA Sep 8, 2025 · ODI 11685624
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 steering
Source: same model, same component group6 other manufacturer communications filed against these GM models under the same component group (steering), newest first.
| Number | Kind | Dated | NHTSA’s summary |
|---|---|---|---|
| PI0281L | Service bulletin | Apr 17, 2025 | This preliminary informational (PI) bulletin provides information to dealership personnel that may be helpful when addressing underbody comp… |
| 13-02-32-001H | Service bulletin | Apr 11, 2025 | This service bulletin provides a procedure to flush and bleed power steering system to correct a power steering noise or fluid leak concern… |
| 25-NA-065 | Service bulletin | Mar 21, 2025 | This informational bulletin instructs the tech when fuel/fluid is needed to be tested and where it can be sent for analysis. |
| 16-NA-109 | Service bulletin | Feb 18, 2025 | This technical bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear due to seeing grea… |
| 15-00-89-004F | Service bulletin | Aug 7, 2023 | This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak… |
| N222371150-03 | Service bulletin | Jun 5, 2023 | Customer Satisfaction Program. Message sent to dealers to announce the final VINs were released. |
Quote the number at the service desk. It is what the dealer’s system is keyed on.
Every manufacturer communication NHTSA holds for Chevrolet and Buick, by the number printed on the letter.
Common questions
Source: NHTSA, 49 CFR 579.5Is GM PIC6539 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 PIC6539 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. Every GM warranty extension on file lists the ones GM has filed.
Which vehicles does PIC6539 cover?
The manufacturer filed it against 4 model years across 2 brands (Chevrolet and Buick): 2024 Buick Encore, 2024 Buick Envista, 2024 Chevrolet Trailblazer, 2024 Chevrolet Trax. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.