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June 30, 2026 Service bulletin

Updated software release for concerns with mazda connect infotainment system

Mazda technical service bulletin 16-004-26b for 2026 Mazda CX-5.

Bulletin number
16-004-26b
Component
Electrical system
Summary
UPDATED SOFTWARE RELEASE FOR CONCERNS WITH MAZDA CONNECT INFOTAINMENT SYSTEM This bulletin supersedes the previously issued bulletin(s) listed below. The changes are noted in Red text. 16-004/26 05/19/26 and 05/06/2026 DESCRIPTION The release notes outlined below provide an overview of bug fixes, feature improvements, and updates included in the latest CDC and DCM software updates. The latest version of software contains all the updates of the previous versions. Version KLAS-67CK3-J (DCM) and Applicable CDC Files (see Calibration table) fixes these software errors (bugs): A beep sound is emitted from near the SOS switch (further improvement). • Google-related functions, such as voice recognition, smartphone remote operations, and connected service subscriptions are not available. • The volume of the beep sound when a DCM malfunction is detected has been reduced. • Additonal update for SOS button illuminates red and emits a beep sound immediately after IG ON. (DTC U2701:89 is stored). • Text updated in the “Data Communication Information” screen under Settings > Privacy > Data Communication.

Owners of these vehicles have filed 5 complaints in the electrical category.

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