{"nhtsa_id":11023162,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-09-17","date":"2025-09-12","document_id":"08-302-25","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"Not applicable to vehicles built for US market. Radio USB Update to U40.20 Customers may experience one or more of the following: ● Temperature displayed in the radio display screen and rear HVAC are mismatched. ● Auto door locks are inoperable This bulletin involves inspecting and if required, updating the radio software level to U40.20. Depending on the radio’s current software level the radio may need a one or two USB update.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11023162-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11023162-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11023162","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"JEEP","model":"GRAND CHEROKEE","year_from":2023,"year_to":2023,"match":"exact","vehicle_ids":["2023_jeep_grand-cherokee"]},{"make":"JEEP","model":"GRAND CHEROKEE 4XE","year_from":2023,"year_to":2023,"match":"base","vehicle_ids":["2023_jeep_grand-cherokee"]},{"make":"JEEP","model":"GRAND CHEROKEE L","year_from":2023,"year_to":2023,"match":"exact","vehicle_ids":["2023_jeep_grand-cherokee-l"]}],"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":[]}