{"nhtsa_id":11035166,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-07-23","date":"2026-07-16","document_id":"08-280-26","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"Flash: Integrated Trailer Control Module (ITCM) Update Customers may experience the following: SYMPTOM: ● 'Check Trailer Turn Lamp' message in the Instrument Panel Cluster (IPC) with no trailer connected. This bulletin involves inspecting and possibly reprogramming the ITCM with the latest software.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11035166-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11035166-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11035166","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"RAM","model":"1500","year_from":2026,"year_to":2026,"match":"exact","vehicle_ids":["2026_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":[]}