{"nhtsa_id":11034443,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-07-03","date":"2026-06-16","document_id":"SA-039-26","mfr_campaign":null,"replaces":null,"component":"UNKNOWN OR OTHER; ELECTRICAL SYSTEM","mfr_system":"Mazda Connect","summary":"This Service Alert supersedes the previously issued SA listed below. The changes are noted in Red text. SA-012/25 10/06/25, 08/21/25, 05/15/25 and 02/27/25 DESCRIPTION Customers having MAZDA CONNECT concerns should have their vehicle repaired using the following repair procedure. REPAIR PROCEDURE NOTE: Before proceeding: Document the vehicle's current MAZDA CONNECT CMU software version. • 2019-2022 Models - Go to TSB 16-003/23 and confirm the CMU Serial Number is not within the affected range. • Document customer device Brand/Model/Model Number/software version on the repair order. • Confirm that the Connectivity Master Unit (CMU) is updated to the latest software version. Go to MGSS -> Infotainment -> MAZDA CONNECT Updates ○ • If possible, complete the Microsoft Forms Questionnaire. Go to MGSS -> Infotainment -> MAZDA CONNECT Questionnaire.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11034443-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11034443-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11034443","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"MAZDA","model":"CX-30","year_from":2020,"year_to":2026,"match":"exact","vehicle_ids":["2020_mazda_cx-30","2021_mazda_cx-30","2022_mazda_cx-30","2023_mazda_cx-30","2024_mazda_cx-30","2025_mazda_cx-30","2026_mazda_cx-30"]},{"make":"MAZDA","model":"CX-5","year_from":2021,"year_to":2026,"match":"exact","vehicle_ids":["2021_mazda_cx-5","2022_mazda_cx-5","2023_mazda_cx-5","2024_mazda_cx-5","2025_mazda_cx-5","2026_mazda_cx-5"]},{"make":"MAZDA","model":"CX-50","year_from":2023,"year_to":2026,"match":"exact","vehicle_ids":["2023_mazda_cx-50","2024_mazda_cx-50","2025_mazda_cx-50","2026_mazda_cx-50"]},{"make":"MAZDA","model":"CX-50 HYBRID","year_from":2025,"year_to":2026,"match":"base","vehicle_ids":["2025_mazda_cx-50","2026_mazda_cx-50"]},{"make":"MAZDA","model":"CX-70","year_from":2025,"year_to":2026,"match":"exact","vehicle_ids":["2025_mazda_cx-70","2026_mazda_cx-70"]},{"make":"MAZDA","model":"CX-70 PLUG-IN HYBRID","year_from":2025,"year_to":2026,"match":"base","vehicle_ids":["2025_mazda_cx-70","2026_mazda_cx-70"]},{"make":"MAZDA","model":"CX-9","year_from":2021,"year_to":2023,"match":"exact","vehicle_ids":["2021_mazda_cx-9","2022_mazda_cx-9","2023_mazda_cx-9"]},{"make":"MAZDA","model":"CX-90","year_from":2024,"year_to":2026,"match":"exact","vehicle_ids":["2024_mazda_cx-90","2025_mazda_cx-90","2026_mazda_cx-90"]},{"make":"MAZDA","model":"CX-90 PLUG-IN HYBRID","year_from":2024,"year_to":2026,"match":"base","vehicle_ids":["2024_mazda_cx-90","2025_mazda_cx-90","2026_mazda_cx-90"]},{"make":"MAZDA","model":"MAZDA3","year_from":2019,"year_to":2026,"match":"exact","vehicle_ids":["2019_mazda_mazda3","2020_mazda_mazda3","2021_mazda_mazda3","2022_mazda_mazda3","2023_mazda_mazda3","2024_mazda_mazda3","2025_mazda_mazda3","2026_mazda_mazda3"]},{"make":"MAZDA","model":"MX-30","year_from":2022,"year_to":2023,"match":"exact","vehicle_ids":["2022_mazda_mx-30","2023_mazda_mx-30"]},{"make":"MAZDA","model":"MX-5","year_from":2024,"year_to":2026,"match":"exact","vehicle_ids":["2024_mazda_mx-5","2025_mazda_mx-5","2026_mazda_mx-5"]}],"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":[]}