{"nhtsa_id":10241797,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-09-05","date":"2023-08-01","document_id":"23-HC-001H-1","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"On certain Sonata hybrid (YF HEV) vehicles, the HEV safety plug or power relay assembly (PRA) may cause the following symptoms and one or more current related DTCs. Follow the Service Procedure before diagnosing the hybrid battery. Please review the following instructions carefully to determine applicability depending on the model year of your vehicle. Warning light: • No “EV Ready” mode, or “Ready” light blinks on and off • “Check Engine” warning light on • Charging system warning light on • “Wrench” symbol (service indicator) blinks on and off Drivability symptoms: • Vehicle will not move from a stop or gasoline engine will not turn on. • Warning in the instrument cluster display: “Hybrid System Warning! Safely stop and Do Not Drive” and/or alarm sound.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10241797-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10241797-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10241797","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"HYUNDAI","model":"SONATA HYBRID","year_from":2011,"year_to":2015,"match":"base","vehicle_ids":["2011_hyundai_sonata","2012_hyundai_sonata","2013_hyundai_sonata","2014_hyundai_sonata","2015_hyundai_sonata"]}],"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":[]}