{"nhtsa_id":10227504,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-12-20","date":"2022-12-01","document_id":"TSB_ELE277","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"TECHNICAL SERVICE BULLETIN: SERVICE ACTION: AMP LOGIC IMPROVEMENT FOR NOISE/NO SOUND ISSUES (SA521) - This Service Action (SA521), along with SA520, supersedes SA494A, which is now closed. Please follow the updated information in this bulletin. This bulletin provides the procedure to update the 'AMP' software logic to improve noise and mute prevention logic on some 2022-2023MY EV6 (CV) vehicles produced from January 7, 2022 through October 19, 2022.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10227504-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10227504-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10227504","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"KIA","model":"EV6","year_from":2022,"year_to":2023,"match":"exact","vehicle_ids":["2022_kia_ev6","2023_kia_ev6"]}],"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":[]}