{"nhtsa_id":10167482,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-11-12","date":"2019-10-18","document_id":"N192278200","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; POWER TRAIN","mfr_system":null,"summary":"N192278200 - Service Update. Certain vehicles may have DTC P0607 intermittently set due to an engine control module (ECM) software and calibration error. With the DTC set, the check engine light will illuminate, and the transmission will default to 3rd gear on the next key cycle. Reverse, neutral, and park remain available. The engine may rev higher as not all 10 gears will be available in forward motion. Dealers will replace the winter grill cover.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10167482-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10167482-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10167482","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":["P0607"],"topics":[],"vehicles":[{"make":"CADILLAC","model":"CT6","year_from":2019,"year_to":2019,"match":"exact","vehicle_ids":["2019_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":[]}