{"nhtsa_id":11003221,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2024-07-04","date":"2024-06-28","document_id":"05-004-24","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN","mfr_system":"automatic transmission","summary":"Some customers may complain about shift shock during 1-2 shift when the vehicle is cold (ATF temperature is 86 °F (30 °C) or lower). This concern most likely occurs on the vehicle with certain versions of TCM file name as follows: This may be caused by improper hydraulic pressure control of the automatic transmission. To eliminate this concern, the control software of the TCM has been modified.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11003221-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11003221-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11003221","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"MAZDA","model":"CX-90","year_from":2024,"year_to":2024,"match":"exact","vehicle_ids":["2024_mazda_cx-90"]}],"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":[]}