Service bulletin M1391A
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 | 11018135 |
| Published by NHTSA | 2025-05-08 |
| Manufacturer's number | M1391A |
| Manufacturer's date | 2025-04-22 |
| NHTSA component | ELECTRICAL SYSTEM; UNKNOWN OR OTHER |
NHTSA's summary
SERVICE BULLETIN M1391A (REV S): MIDTRONICS GRX-3110 AND DCA-8000 SOFTWARE UPDATE. The purpose of this bulletin is to inform the dealer network that a software update to the GRX-3110 and DCA-8000 is now available. DYNAMIC DIAGNOSTIC CHARGER SYSTEM (PART NUMBER: DCA-8000). Updated: Bulletin title name. Rev S. Added: 192-210335O and section. Updated: New Software Update and DCA-8000.
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 AMERICANA |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.