{"nhtsa_id":10207738,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-02-07","date":"2021-06-01","document_id":"N212330830","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); EQUIPMENT; ELECTRICAL SYSTEM","mfr_system":null,"summary":"Service Update. Certain vehicles may have had incorrect parameters set in the One Time Programable (OTP) Chip area to initialize GPS Navigation System correctly once installed or assembled into the vehicle during manufacturing of the center stack module (CSM). Dealers will reprogram the radio.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10207738-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10207738-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10207738","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CADILLAC","model":"CT4","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_cadillac_ct4"]},{"make":"CADILLAC","model":"CT5","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_cadillac_ct5"]}],"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":[]}