{"nhtsa_id":11022162,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-08-27","date":"2025-08-20","document_id":"08-271-25","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"Not applicable to vehicles built for US market. R1H Radio T27.38 USB Software Update The following software enhancements are available: ● Virtual wall radio setting is back. ● Fix for difficulty playing music through QQ Music. ● Corrected installation error reported in the past for Macintosh App. ● Improvement in navigation This bulletin involves updating the R1H radio software level to T27.38.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11022162-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11022162-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11022162","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":[]}