{"nhtsa_id":10208644,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-03-04","date":"2022-02-17","document_id":"ISA-22-01","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE","mfr_system":null,"summary":"Indian Motorcycle has developed an updated ECM calibration for 2020 - 2022 OEM, Stage 1 and Stage 2 North American Challenger motorcycles. The updated ECM calibration improves low speed operation, misfire detection, and idle performance. The updated ECM calibration will also increase the accuracy of the fuel level and expected range.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10208644-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10208644-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10208644","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null},{"id":"engine-control-module","name":"Engine control module","parent":"engine"}],"codes":[],"topics":[],"vehicles":[{"make":"INDIAN","model":"CHALLENGER","year_from":2020,"year_to":2022,"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":[]}