Chevrolet bulletin 24-NA-115
What it saysInformation on Low Beam Headlamp Bulb Diagnosis/Replacement (Inspect Bulb and Connector). NHTSA’s full summary ↓
Chevrolet filed this with NHTSA as a service bulletin dated Jun 25, 2024, received Jul 18, 2024, about the exterior lighting. It names 8 model years (2019–2025). 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.
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What the bulletin says
Source: NHTSA's summary of the manufacturer's communicationInformation on Low Beam Headlamp Bulb Diagnosis/Replacement (Inspect Bulb and Connector).
Document filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| 24-NA-115 | Service bulletin | Jun 25, 2024 | 11004935 | PDF, 222 KB |
What the document itself lists
Parts the bulletin names
| Part number | Description | Qty | Find it |
|---|---|---|---|
| 22855316 | bulb | — | eBay Motors → |
| 12355010 | Other splice sleeves and heat shrink | — | eBay Motors → |
| 12085116 | shrink and seal the heat shrink tube properly over | — | eBay Motors → |
Labour operation and the time the manufacturer allows
| Operation | Description | Time |
|---|---|---|
| 5486018 | Replace Low Beam Headlamp Pigtail Connector | 0.9 hrs |
Read by machine from the document NHTSA serves (2 pages), read Sep 30, 2026. A part number is shown only where it matches Chevrolet’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 themAlso filed against model years this site has no page for: 2019 Chevrolet 6500.
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 7 model years this bulletin names have filed 4,232 complaints with NHTSA since 2015. 713 of them name Electrical 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.
On the 2019 Chevrolet Silverado, the 72 owners who gave an odometer reading for Electrical System reported it at a median of 11,750 miles. That figure is one model year’s, not the whole range this bulletin covers — medians from different model years are not averaged.
The vehicle experienced repeated high-voltage system warnings and battery conditioning system failures. On multiple occasions the “Service High Voltage System” message appeared along with codes P0530 and P1C26 related to the lithium-ion battery conditioning system that controls heating and cooling of the high-voltage battery pack.
2025 Chevrolet Silverado · Electrical System · filed with NHTSA Jul 15, 2026 · ODI 11750505
This is my second compliant, on 5/7/20, after my shift ended. The truck would not start. I call the sales person, we went over several steps and it still would not start. I called on star. She said will do a diagnostic. When she started every thing well out. I call back by phone after an half hour..they sent me a jumper.
2020 Chevrolet Silverado · Electrical System · filed with NHTSA May 12, 2020 · ODI 11324334
On XXX, at midday, in the Haggen parking lot in , I unlocked the passenger door with the silver exterior door button. At that moment the side-view camera display glitched, and afterwards the exterior door buttons stopped working. The key fob and the interior door buttons still worked.
2024 Chevrolet Silverado · Electrical System · filed with NHTSA Oct 17, 2026 · ODI 11771845
In depth: 2024 Chevrolet Silverado electrical problems → · 2023 Chevrolet Silverado electrical problems → · 2022 Chevrolet Silverado electrical problems → · 2021 Chevrolet Silverado electrical problems →
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 exterior lighting
Source: same model, same component group11 other manufacturer communications filed against these Chevrolet models under the same component group (exterior lighting), newest first. The eight newest are listed; the rest are on the Chevrolet list.
| Number | Kind | Dated | NHTSA’s summary |
|---|---|---|---|
| 07-08-42-006U | Service bulletin | Jun 2, 2025 | This service bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produ… |
| 07-08-42-006T | Service bulletin | Mar 25, 2025 | This service bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produ… |
| 01-08-42-001Q | Service bulletin | Jan 27, 2025 | This service bulletin provides information on Exterior Lamp Condensation and Water Leak Information and Replacement Guidelines. |
| PIT6280 | Service bulletin | Nov 8, 2024 | This Preliminary information communicates that a dealer may install the perimeter rocker lighting kit and find that it will not illuminate.… |
| PIP5843D | Service bulletin | Mar 6, 2024 | This Preliminary information communicates to the dealers information related to a Malfunction Indicator Lamp (MIL) Illuminated During Cold A… |
| 02-08-42-001J | Service bulletin | Jan 12, 2024 | This informational bulletin provides information for dealers/technicians on Headlamp, Tail Lamp, License Lamp or Fog/Driving Lamp Damage. |
| PIT5733D | Service bulletin | Jan 9, 2024 | This Preliminary information provides information to the technician on installing a roof beacon light. Technician will need to reference the… |
| 07-08-42-006S | Service bulletin | Jul 13, 2023 | This service bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produ… |
Quote the number at the service desk. It is what the dealer’s system is keyed on.
Every manufacturer communication NHTSA holds for Chevrolet, by the number printed on the letter.
Common questions
Source: NHTSA, 49 CFR 579.5Is Chevrolet 24-NA-115 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 24-NA-115 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 24-NA-115 cover?
The manufacturer filed it against 8 model years: 2025 Chevrolet Silverado, 2024 Chevrolet Silverado, 2023 Chevrolet Silverado, 2022 Chevrolet Silverado, 2021 Chevrolet Silverado, 2020 Chevrolet Silverado and more. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.