{"nhtsa_id":11027081,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-01-06","date":"2025-12-08","document_id":"18-228-25R","mfr_campaign":null,"replaces":null,"component":"ENGINE; FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM","mfr_system":null,"summary":"This bulletin announces the diagnostic procedures to be used when DTCs P2096 (POST CATALYST FUEL TRIM SYSTEM TOO LEAN BANK 1) and P2097 (POST CATALYST FUEL TRIM SYSTEM TOO RICH BANK 1) are detected by the Engine Control Module (ECM).","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11027081-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11027081-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11027081","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null},{"id":"fuel-system","name":"Fuel system","parent":null}],"codes":["P2096","P2097"],"topics":[],"vehicles":[{"make":"SUBARU","model":"ASCENT","year_from":2019,"year_to":2025,"match":"exact","vehicle_ids":["2019_subaru_ascent","2020_subaru_ascent","2021_subaru_ascent","2022_subaru_ascent","2023_subaru_ascent","2024_subaru_ascent","2025_subaru_ascent"]},{"make":"SUBARU","model":"BRZ","year_from":2022,"year_to":2025,"match":"exact","vehicle_ids":["2022_subaru_brz","2023_subaru_brz","2024_subaru_brz","2025_subaru_brz"]},{"make":"SUBARU","model":"CROSSTREK","year_from":2017,"year_to":2025,"match":"exact","vehicle_ids":["2017_subaru_crosstrek","2018_subaru_crosstrek","2019_subaru_crosstrek","2020_subaru_crosstrek","2021_subaru_crosstrek","2022_subaru_crosstrek","2023_subaru_crosstrek","2024_subaru_crosstrek","2025_subaru_crosstrek"]},{"make":"SUBARU","model":"FORESTER","year_from":2019,"year_to":2025,"match":"exact","vehicle_ids":["2019_subaru_forester","2020_subaru_forester","2021_subaru_forester","2022_subaru_forester","2023_subaru_forester","2024_subaru_forester","2025_subaru_forester"]},{"make":"SUBARU","model":"IMPREZA","year_from":2019,"year_to":2025,"match":"exact","vehicle_ids":["2019_subaru_impreza","2020_subaru_impreza","2021_subaru_impreza","2022_subaru_impreza","2023_subaru_impreza","2024_subaru_impreza","2025_subaru_impreza"]},{"make":"SUBARU","model":"LEGACY","year_from":2015,"year_to":2025,"match":"exact","vehicle_ids":["2015_subaru_legacy","2016_subaru_legacy","2017_subaru_legacy","2018_subaru_legacy","2019_subaru_legacy","2020_subaru_legacy","2021_subaru_legacy","2022_subaru_legacy","2023_subaru_legacy","2024_subaru_legacy","2025_subaru_legacy"]},{"make":"SUBARU","model":"OUTBACK","year_from":2015,"year_to":2025,"match":"exact","vehicle_ids":["2015_subaru_outback","2016_subaru_outback","2017_subaru_outback","2018_subaru_outback","2019_subaru_outback","2020_subaru_outback","2021_subaru_outback","2022_subaru_outback","2023_subaru_outback","2024_subaru_outback","2025_subaru_outback"]},{"make":"SUBARU","model":"WRX","year_from":2015,"year_to":2025,"match":"exact","vehicle_ids":["2015_subaru_wrx","2016_subaru_wrx","2017_subaru_wrx","2018_subaru_wrx","2019_subaru_wrx","2020_subaru_wrx","2021_subaru_wrx","2022_subaru_wrx","2023_subaru_wrx","2024_subaru_wrx","2025_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":[]}