NHTSA service bulletin

NHTSA Service Bulletin 11028624: 2023-2026 Harley-davidson Flhx

Official manufacturer communication context for 2023-2026 Harley-davidson Flhx, with affected products, buyer checks and links into Carchieve recall, problem and VIN research.

NHTSA service bulletin 11028624 summary graphic for 2023-2026 Harley-davidson Flhx
11028624NHTSA document ID
Over-the-air software updatecommunication type
11affected product rows
90/100quality score

Reviewed June 2026 from NHTSA manufacturer communication and service bulletin records. Carchieve is independent and not affiliated with any vehicle manufacturer or government agency.

Quick answer

GENUINE MOTOR PARTS AND ACCESSORIES BULLETIN PAB1175: LOWER FAIRING AND TOUR-PAK SPEAKER CONFIGURATION. PURPOSE: Initial Release. This bulletin informs dealers that due to a delay in the release of Skyline OS software version (260005054D), the installation of Parts and Accessories (P&A) audio speakers in the Fairing Lowers and Tour-Pak will require an amplifier update to software version (1610). Refer to: Infotainment Support Resources Digital Technician II (DT II) is required for proper configuration. See Figure 1

What this bulletin may mean before buying

Treat this as service research, not a verdict on one car. Before you buy, compare this communication with official recall campaigns, model-level owner complaint patterns, and the exact vehicle’s VIN-decoded specifications. A bulletin can help you ask a seller or dealer sharper questions about software updates, known repairs, warranty extensions and service history.

Affected products listed in this communication

MakeModelModel yearsBuyer note
Harley-davidsonFlhx2024-2026Ask for service records and run the exact VIN before purchase.
Harley-davidsonFlhxl2026Ask for service records and run the exact VIN before purchase.
Harley-davidsonFlhxlse2026Ask for service records and run the exact VIN before purchase.
Harley-davidsonFlhxse2023-2026Ask for service records and run the exact VIN before purchase.
Harley-davidsonFlhxstse2026Ask for service records and run the exact VIN before purchase.
Harley-davidsonFlhxu2025Ask for service records and run the exact VIN before purchase.
Harley-davidsonFltrx2024-2026Ask for service records and run the exact VIN before purchase.
Harley-davidsonFltrxl2026Ask for service records and run the exact VIN before purchase.
Harley-davidsonFltrxrrse2025Ask for service records and run the exact VIN before purchase.
Harley-davidsonFltrxse2023-2025Ask for service records and run the exact VIN before purchase.
Harley-davidsonFltrxstse2024-2026Ask for service records and run the exact VIN before purchase.

Buyer checklist

  1. Run the 17-character VIN and confirm the year, make, model, engine and equipment match the listing.
  2. Check recall campaign pages for safety actions that may require dealer repair.
  3. Compare this bulletin with common problem pages for the same model and component area.
  4. Ask the seller or dealer whether the bulletin procedure, update or inspection has already been completed.
  5. Use the used-car buying checklist and get an independent inspection.

Frequently asked questions

What is NHTSA service bulletin 11028624?

GENUINE MOTOR PARTS AND ACCESSORIES BULLETIN PAB1175: LOWER FAIRING AND TOUR-PAK SPEAKER CONFIGURATION. PURPOSE: Initial Release. This bulletin informs dealers that due to a delay in the release of Skyline OS software version (260005054D), the installation of Parts and Accessories (P&A) audio speakers in the Fairing Lowers and Tour-Pak will require an amplifier update to software version (1610). Refer to:.

Is a service bulletin the same as a recall?

No. A recall is a safety campaign with a required remedy for affected VINs. A service bulletin or manufacturer communication usually describes diagnostic, repair, software, warranty or service information.

How should a used-car buyer use this bulletin?

Use it as a research signal. Compare it with recalls, owner complaints, service records, a VIN report and an independent inspection before buying.

Check the exact VIN before you buy

Model-level pages show public safety patterns. A full VIN report helps confirm the exact vehicle, decoded specs, recall applicability and buyer checks.

Get Full Report