{"nhtsa_id":11035317,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-07-29","date":"2026-07-25","document_id":"08-294-26","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"Telematics Box Module (TBM) Firmware Over The Air Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set the following Diagnostic Trouble Codes (DTCs): ● B22A9-00 - ECU Internal Performance. ● B1560-13 - Cellular Antenna 1-Circuit Open. ● B1561-13 - Cellular Antenna 2-Circuit Open. ● B1562-12 - GPS Antenna-Circuit Short To Battery. Customers may also comment on the following: ● \"Uconnect Box Requires Service\" message in the display screen module.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11035317-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11035317-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11035317","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":["B1560","B1561","B1562","B22A9"],"topics":[],"vehicles":[{"make":"DODGE","model":"DURANGO","year_from":2021,"year_to":2024,"match":"exact","vehicle_ids":["2021_dodge_durango","2022_dodge_durango","2023_dodge_durango","2024_dodge_durango"]}],"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":[]}