{"nhtsa_id":10183073,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-11-30","date":"2020-10-09","document_id":"08-093-20","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ELECTRICAL SYSTEM:SOFTWARE; FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL","mfr_system":null,"summary":"Flash: Adaptive Cruise Control (ACC) Updates This bulletin involves reprogramming the ACC module with the latest software available. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code (DTC)U148A-86 - Implausible Data Received From Driver Assistance System Module (DASM) Signal Invalid. The customer may describe the following: Instrument Panel Cluster (IPC) disable icon switches on warnings for the Forward Collision Warning (FCW) informing the driver ?Heads-up Warning Array (HWA) Unavailable Service Required?.The system starts working again automatically after a few seconds and/or up to 5 minutes.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10183073-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10183073-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10183073","components":[{"id":"driver-assistance","name":"Driver assistance","parent":null},{"id":"electrical","name":"Electrical system","parent":null},{"id":"adaptive-cruise","name":"Adaptive cruise control","parent":"driver-assistance"},{"id":"instrument-cluster","name":"Instrument cluster","parent":"electrical"},{"id":"software","name":"Software","parent":"electrical"}],"codes":["U148A"],"topics":[],"vehicles":[{"make":"ALFA ROMEO","model":"GIULIA","year_from":2020,"year_to":2020,"match":null,"vehicle_ids":[]},{"make":"ALFA ROMEO","model":"STELVIO","year_from":2020,"year_to":2020,"match":"exact","vehicle_ids":["2020_alfa-romeo_stelvio"]}],"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":[]}