{"nhtsa_id":11021791,"type":"service_campaign","type_name":"Service campaign","date_added":"2025-08-12","date":"2025-08-06","document_id":"25-01-051G TSB","mfr_campaign":"914G","replaces":null,"component":"ENGINE","mfr_system":null,"summary":"Certain G80 (RG3), GV70 (JK1/JK1A), and GV80 (JX1) vehicles equipped with Theta III 2.5L T-GDI engines may illuminate the Check Engine Light as a result of misfire DTCs P0300, P0301, P0302, P0303, or P0304 during cold start. This bulletin provides instructions for updating the Engine Control Module (ECM).","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11021791-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11021791-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11021791","components":[{"id":"engine","name":"Engine","parent":null}],"codes":["P0300","P0301","P0302","P0303","P0304"],"topics":[],"vehicles":[{"make":"GENESIS","model":"G80","year_from":2021,"year_to":2024,"match":"exact","vehicle_ids":["2021_genesis_g80","2022_genesis_g80","2023_genesis_g80","2024_genesis_g80"]},{"make":"GENESIS","model":"GV70","year_from":2022,"year_to":2025,"match":"exact","vehicle_ids":["2022_genesis_gv70","2023_genesis_gv70","2024_genesis_gv70","2025_genesis_gv70"]},{"make":"GENESIS","model":"GV80","year_from":2021,"year_to":2024,"match":"exact","vehicle_ids":["2021_genesis_gv80","2022_genesis_gv80","2023_genesis_gv80","2024_genesis_gv80"]}],"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":[]}