{"nhtsa_id":10189168,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-03-22","date":"2021-02-09","document_id":"N202321843 01","mfr_campaign":null,"replaces":null,"component":"AIR BAGS; POWER TRAIN; EXTERIOR LIGHTING","mfr_system":null,"summary":"Service Update. On certain vehicles equipped with automatic transmissions, the clutch spring retaining ring may not be fully seated. Vehicles with this condition may set DTC Code P0747 and the MIL light (malfunction indicator light) will illuminate. This typically occurs at low mileage. Dealers will inspect the transmission by following the procedure and if it fails, the transmission will be replaced.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10189168-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10189168-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10189168","components":[{"id":"air-bags","name":"Air bags","parent":null},{"id":"lighting","name":"Lighting","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":["P0747"],"topics":[],"vehicles":[{"make":"CADILLAC","model":"XT4","year_from":2020,"year_to":2021,"match":"exact","vehicle_ids":["2020_cadillac_xt4","2021_cadillac_xt4"]}],"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":[]}