{"nhtsa_id":10154410,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-03-11","date":"2019-01-11","document_id":"11-188-19","mfr_campaign":null,"replaces":null,"component":"ENGINE; EQUIPMENT; ELECTRICAL SYSTEM:SOFTWARE","mfr_system":null,"summary":"This bulletin announces availability of reprogramming files to optimize the ECM on the STI models listed with EJ2.5 engine and manual transmission. These files enhance engine misfire diagnosis to reduce the possibility of an incorrect detection of DTC P0300: RANDOM / MULTIPLE CYLINDER MISFIRE DETECTED. The DTC may set during frequent accelerator pedal on and off at highway speed.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10154410-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10154410-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10154410","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"software","name":"Software","parent":"electrical"}],"codes":["P0300"],"topics":[],"vehicles":[{"make":"SUBARU","model":"WRX STI","year_from":2017,"year_to":2018,"match":"base","vehicle_ids":["2017_subaru_wrx","2018_subaru_wrx"]}],"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":[]}