{"nhtsa_id":11026094,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-12-04","date":"2025-11-23","document_id":"05-001-25a","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN","mfr_system":"Automatic Transmission","summary":"Some customers may see the A/T warning light on during (or immediately after) engine start-up with DTCs P073D:00-TCM / P1738:00-TCM stored. P073D:00-TCM: Turbine/input shaft speed sensor: Sensor output range malfunction P1738:00-TCM: Automatic transaxle internal malfunction This concern is caused by improper TCM logic. To eliminate this concern, the TCM control software has been modified to change the DTC detection logic, preventing DTC judgment during start-up.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11026094-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11026094-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11026094","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":["P073D","P1738"],"topics":[],"vehicles":[{"make":"MAZDA","model":"CX-30","year_from":2023,"year_to":2025,"match":"exact","vehicle_ids":["2023_mazda_cx-30","2024_mazda_cx-30","2025_mazda_cx-30"]},{"make":"MAZDA","model":"MAZDA3","year_from":2023,"year_to":2025,"match":"exact","vehicle_ids":["2023_mazda_mazda3","2024_mazda_mazda3","2025_mazda_mazda3"]}],"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":[]}