{"nhtsa_id":10249494,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2024-02-01","date":"2024-01-31","document_id":"01-001-24a","mfr_campaign":null,"replaces":null,"component":"SERVICE BRAKES, HYDRAULIC","mfr_system":null,"summary":"Some vehicles may exhibit check engine light turns on with DTC P0504:00 [PCM] (Brake switch circuit problem) stored in memory. This may be caused by the PCM incorrectly reading the brake switch input. To eliminate this concern, the control software of the PCM has been modified.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-10249494-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-10249494-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10249494","components":[{"id":"brakes","name":"Brakes","parent":null}],"codes":["P0504"],"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":[]}