{"nhtsa_id":10166949,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-11-01","date":"2019-10-25","document_id":"11-192-19","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"This bulletin announces availability of reprogramming files to optimize the Engine Control Module (ECM). The new files will address isolated concerns of an extended cranking (hard starting) condition. They will also address a DTC P1604 which may be stored in the ECM memory without illuminating the Check Engine light.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10166949-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10166949-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10166949","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null}],"codes":["P1604"],"topics":[],"vehicles":[{"make":"SUBARU","model":"ASCENT","year_from":2019,"year_to":2020,"match":"exact","vehicle_ids":["2019_subaru_ascent","2020_subaru_ascent"]}],"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":[]}