{"vehicle":{"id":"2019_hyundai_ioniq","year":2019,"make":"Hyundai","model":"Ioniq"},"code":"P1B77","generic":false,"description":null,"bulletins":{"as_of":"2026-10-19","count":2,"bulletins":[{"nhtsa_id":10165461,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-09-30","date":"2019-08-13","document_id":"Campaign T3U Dea","mfr_campaign":null,"component":"ELECTRICAL SYSTEM:12V/24V/48V BATTERY; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL","summary":"This service campaign provides information related to a BMS software update to the diagnostic logic for DTC P1B77 ? ?High Voltage Battery Pre-charging Fault?.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10165461-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10165461-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10165461"},{"nhtsa_id":10165457,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-09-30","date":"2019-08-13","document_id":"19-01-023H","mfr_campaign":null,"component":"ELECTRICAL SYSTEM:12V/24V/48V BATTERY","summary":"This bulletin provides information related to a BMS (Battery Management System) software update to the diagnostic logic for DTC P1B77 ? ?High Voltage Battery Precharging Fault?.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10165457-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10165457-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10165457"}],"url":"https://open.wenmarpro.com/makes/hyundai/ioniq/2019/bulletins?code=P1B77"},"related":{"components":[],"bulletins":[],"recalls":{"may_apply":true,"recalls":[],"lookup":{"nhtsa":"https://www.nhtsa.gov/recalls","tc":"https://wwwapps.tc.gc.ca/Saf-Sec-Sur/7/VRDB-BDRV/search-recherche/menu.aspx?lang=eng","maker":null}}},"url":"https://open.wenmarpro.com/makes/hyundai/ioniq/2019/codes/P1B77","note":"The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.","attribution":["Contains information licensed under the Open Government Licence – Canada."]}