{"nhtsa_id":10183222,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-11-30","date":"2020-10-07","document_id":"N192287020","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:SOFTWARE; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)","mfr_system":null,"summary":"Service Update - Certain 2019-2020 model year Cadillac CT6 vehicles equipped with a 10 speed transmission, (RPO MHS or MHW) may have a condition when shifting into park, resulting in a momentary loss of park engagement. If this were to occur, one or more of the following DTC codes P0606, P06AF or P07E4 may set and illuminate the check engine light. Dealers will reprogram the ECM.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10183222-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10183222-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10183222","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null},{"id":"engine-control-module","name":"Engine control module","parent":"engine"},{"id":"software","name":"Software","parent":"electrical"}],"codes":["P0606","P06AF","P07E4"],"topics":[],"vehicles":[{"make":"CADILLAC","model":"CT6","year_from":2020,"year_to":2020,"match":"exact","vehicle_ids":["2020_cadillac_ct6"]}],"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":[]}