{"nhtsa_id":10231506,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-02-08","date":"2023-01-24","document_id":"M1579","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; EQUIPMENT; ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM","mfr_system":null,"summary":"SERVICE BULLETIN M1579: REVOLUTION MAX BCM AND ECM UPDATE. PURPOSE: This bulletin informs dealers that a Body Control Module (BCM) and Electronic Control Module (ECM) update is available on Digital Technician II (DT II). The BCM update addresses potential nuisance Diagnostic Trouble Codes (DTCs) and ride mode faults, most commonly found after a low voltage crank event or cold temperature start attempt. The ECM calibration update is to address a crank, but no start condition that can occur after a stall, followed by Diagnostic Trouble Code (DTC) P0347. This condition can sometimes be corrected by turning the Ignition OFF and waiting 30 or more seconds before turning the Ignition ON again, allowing the starter button to operate as normal.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10231506-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10231506-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10231506","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"body-control-module","name":"Body control module","parent":"electrical"}],"codes":["P0347"],"topics":[],"vehicles":[{"make":"HARLEY-DAVIDSON","model":"RA1250","year_from":2021,"year_to":2023,"match":null,"vehicle_ids":[]},{"make":"HARLEY-DAVIDSON","model":"RA1250S","year_from":2021,"year_to":2023,"match":null,"vehicle_ids":[]},{"make":"HARLEY-DAVIDSON","model":"RH1250S","year_from":2021,"year_to":2023,"match":null,"vehicle_ids":[]},{"make":"HARLEY-DAVIDSON","model":"RH975","year_from":2022,"year_to":2023,"match":null,"vehicle_ids":[]},{"make":"HARLEY-DAVIDSON","model":"RH975S","year_from":2023,"year_to":2023,"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":[]}