{"nhtsa_id":10189980,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-04-06","date":"2021-03-18","document_id":"M1391A","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; EQUIPMENT","mfr_system":null,"summary":"SERVICE BULLETIN M1391A: MIDTRONICS GRX-3110 SOFTWARE UPDATE. PURPOSE: REVISION. This bulletin is to inform the dealer network that a software update to the GRX-3110 is now available. HD BATTERY DIAGNOSTIC STATION (PART NUMBER: GRX-3110HD). Update 192-210335J addresses new battery part numbers for 2021 models and revised menu selections.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10189980-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10189980-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10189980","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"HARLEY-DAVIDSON","model":"HARLEY-DAVIDSON","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]}],"as_of":"2026-10-19","note":"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.","attribution":[]}