{"nhtsa_id":11034439,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-07-03","date":"2026-06-17","document_id":"SA-027-26a","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":"12V Battery","summary":"This SA supersedes the previously issued bulletin(s) listed below. The changes are noted below in Red. SA-027/26 04/16/26 DESCRIPTION The Mazda DCA-8000 is required for all warranty battery testing. If the Mazda DCA-8000 is not used, incorrect battery testing may result in unnecessary battery replacement. Use the following test procedures in this Service Bulletin to test Mazda vehicle batteries and to generate a Warranty Code. NOTE: A Warranty Code is required for warranty claim submission Battery Identification (Mazda batteries have 2 rating types) 1. JIS (Japanese Industrial Standard): JIS codes are six-digit alpha-numeric markings (excluding i-STOP batteries e.g. Q-85, S-95) molded into the top of the battery to identify a battery by the capacity (amps), dimensions, and battery terminal type. Vehicles manufactured in Japan come from the factory with a JIS rated battery. NOTE: Replacement batteries may use a CCA rating. If so, use the CCA rating listed on the battery. REPAIR PROCEDURE 1. Perform appropriate repair to vehicle. If needed, use the Battery Diagnostics of the DCA-8000 to test the charging and starting systems by following the on-screen instructions for entering the appropriate information. Refer to the Mazda DCA-8000 Instruction Manual for more information.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11034439-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11034439-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11034439","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"MAZDA","model":"CX-3","year_from":2020,"year_to":2021,"match":"exact","vehicle_ids":["2020_mazda_cx-3","2021_mazda_cx-3"]},{"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":2020,"year_to":2026,"match":"exact","vehicle_ids":["2020_mazda_cx-5","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":2020,"year_to":2023,"match":"exact","vehicle_ids":["2020_mazda_cx-9","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":2020,"year_to":2026,"match":"exact","vehicle_ids":["2020_mazda_mazda3","2021_mazda_mazda3","2022_mazda_mazda3","2023_mazda_mazda3","2024_mazda_mazda3","2025_mazda_mazda3","2026_mazda_mazda3"]},{"make":"MAZDA","model":"MAZDA6","year_from":2020,"year_to":2021,"match":"exact","vehicle_ids":["2020_mazda_mazda6","2021_mazda_mazda6"]},{"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":2020,"year_to":2026,"match":"exact","vehicle_ids":["2020_mazda_mx-5","2021_mazda_mx-5","2022_mazda_mx-5","2023_mazda_mx-5","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":[]}