{"nhtsa_id":11003350,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2024-07-05","date":"2024-06-28","document_id":"01-005-24a","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":"Cooling System","summary":"Some customers may experience a check engine light ON with DTC P0126:00 (Thermostat stuck open) and one or more of the following symptoms: Engine takes longer to warm up. Engine temperature gauge fluctuates. Low coolant temperature indicator (blue) light stays on longer or turns on while driving. Poor heater performance, especially at idle. NOTE: Vehicles with SKYACTIV-G 2.5T are not applicable to this service information. If DTC P2B61:00 (Coolant control valve circuit range/performance) accompanies DTC P0126:00, this TSB is not applicable. Diagnose DTCs according to the instructions on MGSS online.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11003350-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11003350-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11003350","components":[{"id":"engine","name":"Engine","parent":null}],"codes":["P0126","P2B61"],"topics":[],"vehicles":[{"make":"MAZDA","model":"CX-3","year_from":2019,"year_to":2021,"match":"exact","vehicle_ids":["2019_mazda_cx-3","2020_mazda_cx-3","2021_mazda_cx-3"]},{"make":"MAZDA","model":"CX-30","year_from":2020,"year_to":2024,"match":"exact","vehicle_ids":["2020_mazda_cx-30","2021_mazda_cx-30","2022_mazda_cx-30","2023_mazda_cx-30","2024_mazda_cx-30"]},{"make":"MAZDA","model":"CX-5","year_from":2018,"year_to":2024,"match":"exact","vehicle_ids":["2018_mazda_cx-5","2019_mazda_cx-5","2020_mazda_cx-5","2021_mazda_cx-5","2022_mazda_cx-5","2023_mazda_cx-5","2024_mazda_cx-5"]},{"make":"MAZDA","model":"MAZDA3","year_from":2019,"year_to":2024,"match":"exact","vehicle_ids":["2019_mazda_mazda3","2020_mazda_mazda3","2021_mazda_mazda3","2022_mazda_mazda3","2023_mazda_mazda3","2024_mazda_mazda3"]},{"make":"MAZDA","model":"MAZDA6","year_from":2018,"year_to":2021,"match":"exact","vehicle_ids":["2018_mazda_mazda6","2019_mazda_mazda6","2020_mazda_mazda6","2021_mazda_mazda6"]}],"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":[]}