NHTSA service bulletin

NHTSA Service Bulletin 10188351: 2020 Harley-davidson/livewire Elw (Livewire)

Official manufacturer communication context for 2020 Harley-davidson/livewire Elw (Livewire), with affected products, buyer checks and links into Carchieve recall, problem and VIN research.

NHTSA service bulletin 10188351 summary graphic for 2020 Harley-davidson/livewire Elw (Livewire)
10188351NHTSA document ID
Warranty program / extensioncommunication type
1affected product rows
82/100quality 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 M1504: LIVEWIRE MODULES UPDATES. PURPOSE: Revision. This bulletin informs dealers that Harley-Davidson has made a software update to the LiveWire related to the following modules: On-Board Charger (OBC), Vehicle Supervisory Controller (VSC), Rechargeable Energy Storage System (RESS), Motor Control Module (MCM). This software update is required for all LiveWire vehicles and will be reimbursed under warranty. Perform this update as soon as possible on any affected units in dealer inventory, and on all units sold and delivered to customers. Dealers should contact their LiveWire customers and arrange to perform this update. Updated release dates for OBC Software Updates, VSC Software Updates. OBC Software Updates - New Software Update Version: Control Board: 2.8.95.2; Power Board: 6.18.64.2; Charger: 0.92.158.2 Release Date: Week of September 28, 2020. VSC Software Updates - New Software Update Version 7.4.28.2 Release Date: Week of September 28, 2020.

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-davidson/livewireElw (Livewire)2020Ask 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 10188351?

SERVICE BULLETIN M1504: LIVEWIRE MODULES UPDATES. PURPOSE: Revision. This bulletin informs dealers that Harley-Davidson has made a software update to the LiveWire related to the following modules: On-Board Charger (OBC), Vehicle Supervisory Controller (VSC), Rechargeable Energy Storage System (RESS), Motor Control Module (MCM). This software update is required for all LiveWire vehicles and will be reimbursed under.

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