{"nhtsa_id":11028877,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-02-19","date":"2026-02-14","document_id":"08-067-26","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"Flash: Telematics Box Module Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● B1560-11 - Cellular Antenna 1 Short To Ground. ● B1561-11 - Cellular Antenna 2 Short To Ground. ● B1562-14 - GPS Antenna Short To Ground Or Open. ● B22A9-96 - ECU Internal Performance - Component Internal Failure. Customers may also experience the following: ● \"Uconnect Box Required Service\" Message in Radio Display. This bulletin involves reprogramming the TBM with the latest available software.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11028877-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11028877-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11028877","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":["B1560","B1561","B1562","B22A9"],"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":[]}