GM bulletin PIT6184C
What it saysThis Preliminary information communicates a vehicle may be encountered with a third row seat that will not fold. NHTSA’s full summary ↓
GM filed this with NHTSA as a service bulletin dated Sep 11, 2024, about the seats. It names 2 model years across Chevrolet and GMC (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 · GMC.
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What the bulletin says
Source: NHTSA's summary of the manufacturer's communicationThis Preliminary information communicates a vehicle may be encountered with a third row seat that will not fold. The technician is advised to order headrests through EPC and to have the parts department open a SPAC on the parts.
Document filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| PIT6184C | Service bulletin | Sep 11, 2024 | 11007685 | PDF, 30 KB |
What the document itself lists
Parts the bulletin names
| Part number | Description | Qty | Find it |
|---|---|---|---|
| 85735301 | Traverse with H41 & 3ST & 4LF | 2 | eBay Motors → |
| 85735302 | Traverse with H8K & 3ST & 4G | 2 | eBay Motors → |
| 85735303 | Traverse with HQB & 3ST & 4MB | 2 | eBay Motors → |
| 85735307 | Traverse with HHJ & 3ST & 4MB | 2 | eBay Motors → |
| 85735308 | Traverse with HQC/HQF & 3ST & 4G | 2 | eBay Motors → |
| 85735310 | Acadia with H6Y/H7K & 3ST & 4LK | 2 | eBay Motors → |
| 85735311 | Acadia with H7L & 3ST & 4LG | 2 | eBay Motors → |
| 85735312 | Acadia with H6V & 3ST & 4LH | 2 | eBay Motors → |
| 85735313 | Acadia with H6Z & 3ST & 4LW | 2 | eBay Motors → |
Read by machine from the document NHTSA serves (2 pages), read Sep 30, 2026. A part number is shown only where it matches GM’s own catalogue shape, an operation only with its code and time, and a description only where the reader got it whole; anything it could not settle is left out, and the PDF is the record. Times are the manufacturer’s warranty allowances, not a quote. Listings and prices on eBay Motors are the seller’s.
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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 1 model year
GMC 1 model year
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 2 model years this bulletin names have filed 198 complaints with NHTSA since 2015.
The contact owns a 2024 Chevrolet Traverse. The contact stated that after lifting the third-row driver’s side seat from the down position, the head restraint remained in the folded position and could not be adjusted. The cause of the failure was not yet determined.
2024 Chevrolet Traverse · Seats · filed with NHTSA Dec 9, 2024
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 seats
Source: same model, same component group15 other manufacturer communications filed against these GM models under the same component group (seats), newest first. The eight newest are listed; the rest are on the Chevrolet list.
| Number | Kind | Dated | NHTSA’s summary |
|---|---|---|---|
| N262558680 | Service campaign | Sep 1, 2026 | Customer Satisfaction Program. Certain vehicles listed above may have a condition in which the 3rd row head restraints may not lock in the… |
| 24-NA-140 | Service bulletin | Nov 8, 2024 | This technical bulletin provides repair information to correct a customer concern of One or Both 3rd Row Headrests will not Fold Down Preven… |
| PIT6184F | Service bulletin | Oct 25, 2024 | This Preliminary information communicates a vehicle may be encountered with a third row seat that will not fold. The technician is advised t… |
| PIT6184E | Service bulletin | Oct 24, 2024 | This Preliminary information communicates a vehicle may be encountered with a third row seat that will not fold. The technician is advised t… |
| PIT6184D | Service bulletin | Oct 21, 2024 | This Preliminary information communicates a vehicle may be encountered with a third row seat that will not fold. The technician is advised t… |
| 24-NA-163 | Service bulletin | Sep 23, 2024 | This technical bulletin provides a procedure to correct the condition of 2nd Row Bench High Effort for Easy Entry When Tipping the Seat Back… |
| PIT6184B | Service bulletin | Sep 9, 2024 | This Preliminary information communicates a vehicle may be encountered with a third row seat that will not fold. The technician is advised t… |
| PIT6180 | Service bulletin | Aug 13, 2024 | This Preliminary information communicates assistance in locating the Rear seat belt comfort guides in the parts catalog. |
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 GMC, by the number printed on the letter.
Common questions
Source: NHTSA, 49 CFR 579.5Is GM PIT6184C 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 PIT6184C 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 PIT6184C cover?
The manufacturer filed it against 2 model years across 2 brands (Chevrolet and GMC): 2024 Chevrolet Traverse, 2024 GMC Acadia. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.