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Service bulletins for the 2021 Harley-Davidson Pan America

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

4 on file from NHTSA, as of 2026-10-19.

Warranty extensions
M15552024-10-08. UNKNOWN OR OTHER; ELECTRICAL SYSTEM. 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.

A warranty extension may pay for a repair after the basic warranty has ended. Read the document for which vehicles and which repair it covers.

By type

By component

Bulletins, newest first
M15552024-10-08. Warranty extension. UNKNOWN OR OTHER; ELECTRICAL SYSTEM. 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.
M14902024-09-09. Service bulletin. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. 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.
M14902024-06-07. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM. SERVICE BULLETIN M1490 (V 24.6.4): DIGITAL TECHNICIAN II - UPDATES AND RELEASE NOTES. PURPOSE: Revision. 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 24.6.4. Release Date: Week of May 1, 2024. New Features for LiveWire S2DM and S2MH, 2024 Revolution® Max, and 2024 Touring.
PAB11232022-03-08. Service bulletin. POWER TRAIN; ENGINE AND ENGINE COOLING; EQUIPMENT. GENUINE MOTOR PARTS AND MOTOR ACCESSORIES BULLETIN PAB1123: SCREAMIN’ 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.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.