NHTSA service bulletin

NHTSA Service Bulletin 11029737: 2021-2026 Harley-davidson Flhfb

Official manufacturer communication context for 2021-2026 Harley-davidson Flhfb, with affected products, buyer checks and links into Carchieve recall, problem and VIN research.

NHTSA service bulletin 11029737 summary graphic for 2021-2026 Harley-davidson Flhfb
11029737NHTSA document ID
Technical service bulletincommunication type
39affected product rows
80/100quality 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

SERVICE BULLETIN PAB1177: HARLEY-DAVIDSON AUDIO POWERED BY ROCKFORD FOSGATE P&A WIRING SCHEMATICS. PURPOSE: Initial Release. This bulletin informs dealers and technicians that there are Parts and Accessories (P&A) Wiring Schematics for Harley-Davidson Audio Powered by Rockford Fosgate components. Schematics are available for both Non Center-Cooled and Center-Cooled models.

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-davidsonFlhfb2023Ask for service records and run the exact VIN before purchase.
Harley-davidsonFlhlt2026Ask for service records and run the exact VIN before purchase.
Harley-davidsonFlhltse2026Ask for service records and run the exact VIN before purchase.
Harley-davidsonFlhp2021-2025Ask for service records and run the exact VIN before purchase.
Harley-davidsonFlhr2021, 2022Ask for service records and run the exact VIN before purchase.
Harley-davidsonFlhrxs2021-2025Ask for service records and run the exact VIN before purchase.
Harley-davidsonFlht2021, 2022Ask for service records and run the exact VIN before purchase.
Harley-davidsonFlhtcutg2021-2025Ask for service records and run the exact VIN before purchase.
Harley-davidsonFlhtcutganv2023Ask for service records and run the exact VIN before purchase.
Harley-davidsonFlhtcutgse2021, 2022Ask for service records and run the exact VIN before purchase.
Harley-davidsonFlhtk2021-2024Ask for service records and run the exact VIN before purchase.
Harley-davidsonFlhtk Shrine2021-2023Ask for service records and run the exact VIN before purchase.
Harley-davidsonFlhtkanv2023Ask for service records and run the exact VIN before purchase.
Harley-davidsonFlhtkse2021Ask for service records and run the exact VIN before purchase.
Harley-davidsonFlhtp2021-2025Ask for service records and run the exact VIN before purchase.
Harley-davidsonFlhx2021-2026Ask 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.

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 11029737?

SERVICE BULLETIN PAB1177: HARLEY-DAVIDSON AUDIO POWERED BY ROCKFORD FOSGATE P&A WIRING SCHEMATICS. PURPOSE: Initial Release. This bulletin informs dealers and technicians that there are Parts and Accessories (P&A) Wiring Schematics for Harley-Davidson Audio Powered by Rockford Fosgate components. Schematics are available for both Non Center-Cooled and Center-Cooled models.

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