Chevrolet bulletin 23-NA-132
What it saysThis service bulletin provides repair information to correct a customer concern of Turn Signals and/or Daytime Running Lights Intermittently Inoperable. NHTSA’s full summary ↓
Chevrolet filed this with NHTSA as a service bulletin dated Jan 11, 2024, received Aug 2, 2023, about the exterior lighting — 3 documents under this number. It names 2 model years (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.
Get the next Chevrolet bulletin for your model by email Weekly, only when something new is filed. Nothing else; one-click unsubscribe.
What the bulletin says
Source: NHTSA's summary of the manufacturer's communicationWhat it applies to, as the document itself states it — the build window in the manufacturer’s own words, read by machine from the PDF NHTSA serves. The build date is on the certification label in the driver’s door jamb; the dealer settles a borderline vehicle by its VIN.
This service bulletin provides repair information to correct a customer concern of Turn Signals and/or Daytime Running Lights Intermittently Inoperable.
Documents filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| 23-NA-132 | Service bulletin | Jan 11, 2024 | 10249452 | PDF, 133 KB |
| 23-NA-132 | Service bulletin | Oct 6, 2023 | 10244282 | PDF, 492 KB |
| 23-NA-132 | Service bulletin | Jul 26, 2023 | 10240248 | PDF, 487 KB |
What the document itself lists
The manufacturer titles it “Turn Signals and/or Daytime Running Lights Intermittently Inoperable”.
Labour operation and the time the manufacturer allows
| Operation | Description | Time |
|---|---|---|
| 2886008 | Reprogram the Lighting Control Module for Turn Signals and/or Daytime Lights Inoperable | 0.3 hrs |
Read by machine from the document NHTSA serves (7 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.
Affiliate disclosure: some links on this page are affiliate links. If you request a quote or buy through them we may earn a commission at no extra cost to you. Nothing on this page changes because of it.
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.
Doing the repair yourself, or pricing it before the shop does? Search the part by fitment on eBay Motors — the listing and the price are the seller’s.
Find the turn signal for the 2024 Silverado 2500HD →Affiliate disclosure: some links on this page are affiliate links. If you request a quote or buy through them we may earn a commission at no extra cost to you. Nothing on this page changes because of it.
Model years it names
Source: as the manufacturer filed themA vehicle page’s bulletin list shows the newest few communications filed against that model year; the count there is every one.
Email me new Chevrolet bulletins for one of these models
A weekly email, sent only in a week when Chevrolet files something new with NHTSA for the model you pick — service bulletins, campaigns, warranty extensions, over-the-air notices, every model year. Nothing else is sent; one-click unsubscribe in every message. Separate from recall alerts.
What owners reported
Source: NHTSA complaint databaseOwners of the 2 model years this bulletin names have filed 189 complaints with NHTSA since 2015. 76 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.
The GM brake controller will disconnect with the trailer being pulled. You get a message on the information center that the brake controller has lost connection with the trailer or no trailer brakes are available, something to that effect. This has happened up to 5 times in one day. You never know when this will happen.
2024 Chevrolet Silverado 2500HD · Electrical System · filed with NHTSA Nov 3, 2023
The integrate trailer brake control system malfunctions when a trailer equipped with solar panels is hooked up. I recently rented a newer travel trailer and kept on getting a warning that the brake control system was disengaging. Every 30-60 seconds the system would connect and the quickly disconnect.
2024 Chevrolet Silverado 2500HD · Electrical System · filed with NHTSA Nov 7, 2023
The contact owns a 2024 Chevrolet Silverado 3500. The contact stated that while operating the vehicle, no audible sound was coming from the infotainment center. During the failure, the audible turn signal was inoperable and the warning messages from the infotainment center could not be heard.
2024 Chevrolet Silverado 3500HD · Electrical System · filed with NHTSA Mar 10, 2025
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 group10 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. |
| 24-NA-152 | Service bulletin | Nov 9, 2024 | This bulletin offers Information on Intellibeam Inop, Auto High Beam Headlamps, Side Blind Zone Inop, and/or Side Object Detection Inop. |
| 24-NA-005 | Service bulletin | Jul 17, 2024 | This technical bulletin provides repair information to correct a customer concern of Headlamps Flashing and/or DTC P0606 Set in Lighting Con… |
| 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… |
| PIT6040 | Service bulletin | Jul 12, 2023 | This Preliminary information communicates an issue where the aux switch "on" LED indicators do not illuminate within the aux switch if more… |
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 23-NA-132 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 23-NA-132 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 23-NA-132 cover?
The manufacturer filed it against 2 model years: 2024 Chevrolet Silverado 2500HD, 2024 Chevrolet Silverado 3500HD. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone. The document itself sets the build window: built before 10 Apr 2023 — the build date is on the certification label in the driver’s door jamb.