MAZDA

16-004-26a

2026-05-20 · NHTSA 11033120

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

Manufacturer summary

Original wording in English

This bulletin supersedes the previously issued bulletin(s) listed below. The changes are noted in Red text. 16-004/26 05/06/2026 DESCRIPTION Some vehicles may experience the symptoms mentioned below, which can be improved with the latest CDC and DCM software updates. The SOS button illuminates red and emits a beep sound immediately after IG ON (DTC U2701:89 is stored) The pictograph antenna icon on the upper part of the center display shows a globe with a slash mark Mazda Connect takes approximately 10 seconds to boot up after engine start, causing a noticeable delay on the display The display remains black on startup, but the reverse camera displays normally when Reverse gear is engaged DCM internal battery malfunction (DTCs B1477:00 and B1477:16 are stored) Remote operation may fail A beep sound may be emitted from the DCM Other Improvements Minor improvements for enhanced operational stability and product quality Improvements for communication stability REPAIR PROCEDURE Update the DCM and CDC to the latest software versions by following the DCM and CDC USB Software Update Procedure and using the latest software availble from the links below:

Repeated filings are grouped only when make, bulletin number, publication date and complete summary agree. Original record numbers are retained. Older publications remain available, and an explicit later version is shown when established. Pre-1994 vehicle associations are separated from default results; an unspecified year does not mean all model years apply.