{"nhtsa_id":11019502,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-06-12","date":"2025-04-18","document_id":"25-NA-098","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"This Service Bulletin provides information on the latest Radio Software Z175 for vehicles equipped with RPO IOK related to improving radio related issues with notable improvements.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11019502-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11019502-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11019502","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"CORVETTE","year_from":2024,"year_to":2025,"match":"exact","vehicle_ids":["2024_chevrolet_corvette","2025_chevrolet_corvette"]},{"make":"GMC","model":"HUMMER EV PICKUP","year_from":2025,"year_to":2025,"match":"exact","vehicle_ids":["2025_gmc_hummer-ev-pickup"]}],"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":[]}