{"nhtsa_id":10221663,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-09-26","date":"2021-07-03","document_id":"0811421","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM","mfr_system":null,"summary":"UBR UER and UFR Radio Enhancements This bulletin involves updating the radio software level to 34.00.49. Customers may experience one or more of the following: Unable to connect vehicle Wi-Fi hot spot. SXM radio does not retain the same channel after the vehicle has been shut off.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10221663-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10221663-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10221663","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"JEEP","model":"GRAND CHEROKEE","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_jeep_grand-cherokee"]}],"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":[]}