{"nhtsa_id":11034237,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-07-01","date":"2026-06-01","document_id":"18-240-26","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"\"This bulletin provides a new diagnostic procedure for vehicles equipped with a Denso CP 1, 1.5 and 2.5 head units to provide an enhanced version of the troubleshooting steps for Sound does not come out from the speaker.\"","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11034237-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11034237-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11034237","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"SUBARU","model":"ASCENT","year_from":2023,"year_to":2026,"match":"exact","vehicle_ids":["2023_subaru_ascent","2024_subaru_ascent","2025_subaru_ascent","2026_subaru_ascent"]},{"make":"SUBARU","model":"BRZ","year_from":2022,"year_to":2026,"match":"exact","vehicle_ids":["2022_subaru_brz","2023_subaru_brz","2024_subaru_brz","2025_subaru_brz","2026_subaru_brz"]},{"make":"SUBARU","model":"CROSSTREK","year_from":2024,"year_to":2026,"match":"exact","vehicle_ids":["2024_subaru_crosstrek","2025_subaru_crosstrek","2026_subaru_crosstrek"]},{"make":"SUBARU","model":"FORESTER","year_from":2025,"year_to":2025,"match":"exact","vehicle_ids":["2025_subaru_forester"]},{"make":"SUBARU","model":"IMPREZA","year_from":2024,"year_to":2026,"match":"exact","vehicle_ids":["2024_subaru_impreza","2025_subaru_impreza","2026_subaru_impreza"]},{"make":"SUBARU","model":"LEGACY","year_from":2020,"year_to":2025,"match":"exact","vehicle_ids":["2020_subaru_legacy","2021_subaru_legacy","2022_subaru_legacy","2023_subaru_legacy","2024_subaru_legacy","2025_subaru_legacy"]},{"make":"SUBARU","model":"OUTBACK","year_from":2020,"year_to":2025,"match":"exact","vehicle_ids":["2020_subaru_outback","2021_subaru_outback","2022_subaru_outback","2023_subaru_outback","2024_subaru_outback","2025_subaru_outback"]},{"make":"SUBARU","model":"WRX","year_from":2022,"year_to":2026,"match":"exact","vehicle_ids":["2022_subaru_wrx","2023_subaru_wrx","2024_subaru_wrx","2025_subaru_wrx","2026_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":[]}