{"nhtsa_id":11033115,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-06-02","date":"2026-05-07","document_id":"09-016-26","mfr_campaign":null,"replaces":null,"component":"SEATS; ELECTRICAL SYSTEM","mfr_system":"Seat Warmer","summary":"DESCRIPTION Some customers may complain that the seat warmer does not operate when turning the ignition on while the seat is warm but when turning the ignition off then on again, the seat warmer begins to operate appropriately. DTCs “B1030:13” and/or “B1032:13” are stored. This is caused by the seat warmers fail-safe mode which prevents it from working during the initial drive cycle. To correct this issue, the seat warmer has been modified to optimize the temperature control. B1030:13 Seat warmer unit (LH) circuit malfunction (Heater side) B1032:13 Seat warmer unit (RH) circuit malfunction (Heater side) REPAIR PROCEDURE 1. Verify the customer concern. 2. Remove the front seat cushion trim and the front seat back trim for both the driver and passenger seats according to the instructions in MGSS.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11033115-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11033115-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11033115","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"seats","name":"Seats","parent":null}],"codes":["B1030","B1032"],"topics":[],"vehicles":[{"make":"MAZDA","model":"CX-30","year_from":2020,"year_to":2023,"match":"exact","vehicle_ids":["2020_mazda_cx-30","2021_mazda_cx-30","2022_mazda_cx-30","2023_mazda_cx-30"]},{"make":"MAZDA","model":"MAZDA3","year_from":2019,"year_to":2023,"match":"exact","vehicle_ids":["2019_mazda_mazda3","2020_mazda_mazda3","2021_mazda_mazda3","2022_mazda_mazda3","2023_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":[]}