{"nhtsa_id":10200074,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-08-07","date":"2021-07-30","document_id":"21-01-056H","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"Some 2021 Elantra (CN7) vehicles may exhibit a condition with multiple warning lights displayed on the instrument cluster and various symptoms; multiple DTCs (Diagnostic Trouble Code), reduction in power steering assist, and not able to shift out of Park. Possible DTCs set are: • C181287 – CAN Time-out Gateway • C181208 – CAN Time-out Gateway • C180581 – LKAS CAN Signal Error • C181887 – CAN Time-out BCA • B109052 – TCU Missing Error","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10200074-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10200074-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10200074","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":["B1090","C1805","C1812","C1818"],"topics":[],"vehicles":[{"make":"HYUNDAI","model":"ELANTRA","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_hyundai_elantra"]}],"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":[]}