{"nhtsa_id":10183218,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-11-30","date":"2020-10-01","document_id":"N202308320","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:12V/24V/48V BATTERY; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.","mfr_system":null,"summary":"Customer Satisfaction Program - Certain 2020 model year Cadillac CT4, CT5, and Chevrolet Corvette vehicles, equipped with the Cadillac User Experience with embedded navigation or the Infotainment 3 premium system w/navigation (RPO IOT), may have a condition where the radio display is non-functional except for the backup camera. The embedded Multi-Media Controller (eMMC) firmware contains a defect that could cause a continuous rebooting condition. Rebooting will continue even after shutdown, resulting in a battery drain for the affected vehicle, and possibly a dead battery and a no-start condition. Dealers will replace the radio receiver.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10183218-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10183218-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10183218","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"battery","name":"12-volt battery","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"CADILLAC","model":"CT4","year_from":2020,"year_to":2020,"match":"exact","vehicle_ids":["2020_cadillac_ct4"]},{"make":"CADILLAC","model":"CT5","year_from":2020,"year_to":2020,"match":"exact","vehicle_ids":["2020_cadillac_ct5"]},{"make":"CHEVROLET","model":"CORVETTE","year_from":2020,"year_to":2020,"match":"exact","vehicle_ids":["2020_chevrolet_corvette"]}],"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":[]}