{"nhtsa_id":11026682,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-12-17","date":"2025-12-13","document_id":"08-403-25","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"Drivetrain Control Module (DTCM) Software Update Customers may experience one or more of the following: ● Rear axle bind during slow speed turning. Feels like the 4WD is active. ● While moving above 5 kph (3.1 mph) transmission goes into limp mode. This bulletin involves flashing the DTCM to the latest software level.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11026682-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11026682-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11026682","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"JEEP","model":"GRAND WAGONEER","year_from":2025,"year_to":2025,"match":"exact","vehicle_ids":["2025_jeep_grand-wagoneer"]},{"make":"JEEP","model":"WAGONEER","year_from":2025,"year_to":2025,"match":"exact","vehicle_ids":["2025_jeep_wagoneer"]}],"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":[]}