{"nhtsa_id":10003641,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2003-10-27","date":"2003-05-08","document_id":"050803","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"SERVICE ENGINE SOON (SES) LIGHT COMING ON AND A P0121 TPS CODE STORED OR RELATED CODES. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10003641","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":["P0121"],"topics":[],"vehicles":[{"make":"CADILLAC","model":"CTS","year_from":2003,"year_to":2003,"match":"exact","vehicle_ids":["2003_cadillac_cts"]}],"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":[]}