Technical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.
M1555
Warranty Program/Extension
SERVICE BULLETIN M1555 (REV E): BATTERY WARRANTY GUIDELINES. PURPOSE: Revision E. Added: Added procedures for the DCA-8000 E Battery Tester.* Updated: All sections. This bulletin informs the dealership network that Harley-Davidson has provided guidelines for battery warranty.
M1490
Service Bulletin/Repair Instructions
SERVICE BULLETIN M1490 (V 24.8.8): DIGITAL TECHNICIAN II - UPDATES AND RELEASE NOTES. PURPOSE: This bulletin informs dealers that Harley-Davidson has made a software update to Digital Technician II (DT II). DIGITAL TECHNICIAN II (PART NUMBER: HD-48650). Version 24.8.8. Release Date: Week of August 5, 2024. New Features for Harley-Davidson vehicles: Advanced Module Replace for 2021 and later Revolution Max; 2023 and later CVO Touring; and 2024 Street Glide (FLHX), Road Glide (FLTRX). New Features for LiveWire vehicles: Updated calibrations for 2024 S2DM EV1/ EV6; 2024 S2MH EV1; and 2024 S2DM, S2MH. Changes: Added Hand Control Module (HCM) (Part No. 71500522A and 71500536A) for reflash support.
PAB1123
Service Bulletin/Repair Instructions
GENUINE MOTOR PARTS AND MOTOR ACCESSORIES BULLETIN PAB1123: SCREAMINâ EAGLE PAN AMERICA ACCESSORIES - CARB. Purpose: To inform California dealerships that four Screamin' Eagle® (SE) accessories for 2021 Pan America models have been granted Executive Order (EO) approval by California Air Resources Board (CARB). Markets Affected: California only.