{"vehicle":{"id":"2021_cadillac_xt4","year":2021,"make":"Cadillac","model":"XT4"},"code":"U1518","generic":false,"description":null,"bulletins":{"as_of":"2026-10-19","count":4,"bulletins":[{"nhtsa_id":10231392,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-02-07","date":"2023-01-20","document_id":"21-NA-127","mfr_campaign":null,"component":"ELECTRICAL SYSTEM; EQUIPMENT","summary":"This service bulletin provides repair information to correct a customer concern of Head Up Display (HUD) Blank, Non-Responsive to Brightness, Aim, or Page Controls, DTC U1518 Set.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10231392-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10231392-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10231392"},{"nhtsa_id":10214208,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-06-21","date":"2022-01-21","document_id":"21NA127","mfr_campaign":null,"component":"EQUIPMENT; ELECTRICAL SYSTEM:SOFTWARE","summary":"This technical bulletin provides repair information to correct a customer concern of Head Up Display (HUD) Blank, Non-Responsive to Brightness, Aim, or Page Controls, DTC U1518 Set.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10214208-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10214208-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10214208"},{"nhtsa_id":10213496,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-06-06","date":"2022-05-25","document_id":"21-NA-127","mfr_campaign":null,"component":"ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; UNKNOWN OR OTHER; ELECTRICAL SYSTEM","summary":"This service bulletin provides repair information to correct a customer concern of Head Up Display (HUD) Blank, Non-Responsive to Brightness, Aim, or Page Controls, DTC U1518 Set.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10213496-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10213496-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10213496"},{"nhtsa_id":10200132,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-08-09","date":"2021-06-01","document_id":"21NA127","mfr_campaign":null,"component":"ELECTRICAL SYSTEM:ADAS:HUD:SOFTWARE; EQUIPMENT","summary":"This technical bulletin provides repair information to correct a customer concern of Head Up Display (HUD) Blank, Non-Responsive to Brightness, Aim, or Page Controls, DTC U1518 Set.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10200132-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10200132-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10200132"}],"url":"https://open.wenmarpro.com/makes/cadillac/xt4/2021/bulletins?code=U1518"},"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/cadillac/xt4/2021/codes/U1518","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."]}