{"nhtsa_id":11031323,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-04-15","date":"2026-04-09","document_id":"08-146-26","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"R1H Radio USB Update to U39P.2 Customers may experience one or more of the following: SYMPTOM: ? Navigation highly inaccurate. ? Compass intermittently shows \"--\" in cluster. ? Navigation stuck at the same location. ? Screen OFF hard key inoperative. This","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11031323-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11031323-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11031323","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":[]}