{"nhtsa_id":11035978,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-08-06","date":"2026-08-01","document_id":"08-305-26","mfr_campaign":null,"replaces":null,"component":"SERVICE BRAKES; ELECTRICAL SYSTEM","mfr_system":null,"summary":"Flash: Brake System Control Module (BSCM) Updates **Customers may experience one or more of the following: SYMPTOM: ● Warning message \"Selec-Speed Unavailable\" appears in the Instrument Panel Cluster (IPC) when trying to enable the Selec-Speed Control (SSC) function. NOTE: There will be no Diagnostic Trouble Codes (DTCs) and no driveability concerns with this symptom.** ● Anti-Lock Brake System (ABS), Electronic Stability Control (ESC) and 'Decel ACC' lights on in the IPC. Technicians may also find the following: ● DTC C121A-00 - Steering Angle Sensor Not Initialized - Is stored with no Malfunction Indicator Lamp (MIL). This bulletin involves reprogramming the BSCM with the latest available software.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11035978-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11035978-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11035978","components":[{"id":"brakes","name":"Brakes","parent":null},{"id":"electrical","name":"Electrical system","parent":null}],"codes":["C121A"],"topics":[],"vehicles":[{"make":"RAM","model":"1500","year_from":2025,"year_to":2025,"match":"exact","vehicle_ids":["2025_ram_1500"]}],"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":[]}