GM bulletin PIP6037
What it saysThis Preliminary information communicates a potential for dtc p0496 to fail due to damaged purge solenoid valve O-rings. NHTSA’s full summary ↓
GM filed this with NHTSA as a service bulletin dated Jan 16, 2025, received Jan 20, 2025, about the fuel/propulsion system. It names 11 model years across Chevrolet and Buick (2020–2025). 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 a potential for dtc p0496 to fail due to damaged purge solenoid valve O-rings.
Trouble codes it names: P0496
Document filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| PIP6037 | Service bulletin | Jan 16, 2025 | 11012961 | PDF, 28 KB |
What the document itself lists
Labour operation and the time the manufacturer allows
| Operation | Description | Time |
|---|---|---|
| 4089838 | Turbocharger Inlet Duct & Evaporative Emission Canister Purge Solenoid Valve… | 0.7 hrs |
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 5 model years
Buick 6 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 11 model years this bulletin names have filed 692 complaints with NHTSA since 2015. 29 of them name Fuel/Propulsion System — 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.
I've been dealing with a frustrating car issue lately where my vehicle keeps stalling and hesitating during acceleration - whether I'm pulling away from a stop or trying to pick up speed on the road. After getting it checked out, my mechanic determined that the high pressure fuel pump control module is the culprit and needs replacement.
2020 Buick Encore · Fuel/Propulsion System · filed with NHTSA Oct 3, 2025
Vehicle was started and started misfiring and then shut off, no check engine lights came on. Tried to restart the car and it continued to misfire but eventually stopped. Car also misfires sometimes after refueling. Car was taken to dealership to be looked at and there were no findings of any issues, they suggested it was bad gas
2024 Buick Encore · Fuel/Propulsion System · filed with NHTSA Nov 20, 2025
The contact owns a 2025 Buick Encore GX. The contact stated that after refueling the vehicle, the gas pump nozzle was difficult to remove from the fuel filler neck when the vehicle was done refueling. The contact stated that there was one fueling station that he avoided due to the spring that was wrapped around the nozzle.
2025 Buick Encore · Fuel/Propulsion System · filed with NHTSA Jan 7, 2026
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 fuel/propulsion system
Source: same model, same component group8 other manufacturer communications filed against these GM models under the same component group (fuel/propulsion system), newest first.
| Number | Kind | Dated | NHTSA’s summary |
|---|---|---|---|
| 24-NA-139 | Service bulletin | Apr 12, 2025 | This bulletin provides a procedure to replace the FPDCM if found to cause customers concerns of Crank No Start, Stalling, Loss of Power, Fue… |
| PIP5929A | Service bulletin | Dec 16, 2024 | This Preliminary information communicates to the dealers diagnostic tips related to MIL on with P219A. |
| 05-06-04-022V | Service bulletin | Aug 7, 2024 | This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are… |
| 04-06-04-051I | Service bulletin | Jun 29, 2024 | This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive. |
| N232433890 | Service campaign | May 16, 2024 | Customer Satisfaction Program - Various vehicle makes and models listed may have a condition in which the transmission case leaks fluid due… |
| N232432960 | Service bulletin | Mar 20, 2024 | Service Update. On certain vehicles, the fuel rail pressure sensors may have been built with output shifts at various temperature and press… |
| 19-NA-044 | Service bulletin | Feb 7, 2024 | This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel ec… |
| 04-06-04-051H | Service bulletin | Aug 1, 2023 | This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive. |
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 PIP6037 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 PIP6037 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 PIP6037 cover?
The manufacturer filed it against 11 model years across 2 brands (Chevrolet and Buick): 2025 Buick Encore, 2024 Buick Encore, 2023 Buick Encore, 2022 Buick Encore, 2021 Buick Encore, 2020 Buick Encore and more. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.