Service bulletin M1663
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.
| Type | Service bulletin |
|---|---|
| NHTSA id | 11010218 |
| Published by NHTSA | 2024-11-07 |
| Manufacturer's number | M1663 |
| Manufacturer's date | 2024-10-26 |
| NHTSA component | UNKNOWN OR OTHER; ELECTRICAL SYSTEM |
NHTSA's summary
SERVICE BULLETIN M1663: REVOLUTION MAX INSTRUMENT MODULE SOFTWARE UPDATE. PURPOSE: This bulletin informs the dealers that there is a new Instrument Module (IM) software (LM7_51456370_20240322) and (LM4_51456370_20240325). Refer to: Infotainment Support Resources page on Service Information Portal (SIP).
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Components
Electrical system
| HARLEY-DAVIDSON RA1250 | 2021 to 2024 |
|---|---|
| HARLEY-DAVIDSON RA1250S | 2021 to 2024 |
| HARLEY-DAVIDSON RA1250SE | 2024 |
| HARLEY-DAVIDSON RH1250S | 2021 to 2024 |
| HARLEY-DAVIDSON RH975 | 2022 to 2024 |
| HARLEY-DAVIDSON RH975S | 2023 to 2024 |
| HARLEY-DAVIDSON duplicate productRA1250 | 2021 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.