{"nhtsa_id":11023066,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-09-10","date":"2025-09-04","document_id":"08-293-25","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"Flash: Driver Assistant System Module (DASM) Updates *Customers must experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician must find the following Diagnostic Trouble Code (DTC) has been set:** ● C1409-97 - Radar Sensor Blind - Component Or System Operation Obstructed Or Blocked. In addition, the customer must also comment on one or more of the following: ● \"ACC not available\" message displayed on the Instrument Panel Cluster (IPC). ● \"Highway Assist not available\" message displayed on the IPC.** ● Highway Assist steering wheel vibration This bulletin involves inspecting and possibly reprogramming of the DASM (ACC), Instrument Panel Cluster (IPC) and Haptic Lane Feedback (HALF) with the latest available softwar","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11023066-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11023066-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11023066","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":["C1409"],"topics":[],"vehicles":[{"make":"ALFA ROMEO","model":"TONALE","year_from":2023,"year_to":2023,"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":[]}