An updated version of the software for the connectivity master unit (cmu) has become available. under this...

Bulletin number

09-034-13-2831B

Component

Electrical system: software

Summary

An updated version of the software for the connectivity master unit (cmu) has become available. Under this msp41, the cmu of applicable mazda3 vehicles will be reprogrammed to the updated version using a USB memory stick. This software update includes some fixes for the infotainment system as described below as well as some additional minor fixes.•a “charging system malfunction” message may be displayed on the center display by mistake (no charging system warning light in the instrument cluster).•the voice recognition may not activate even when pressing the talk button.•the warning of “check xm antenna” may be continuously displayed on the center display.note:•mazda is working to make further improvements to the mazda connect infotainment system soft-ware, and may issue future software updates to improve system operation and performance. Soft-ware version updates can be found on ms3 under ids/infotainment.•when the system is updated, all factory defaults are restored and personal settings (such as display and sound adjustments) are lost, including favorites information and phones paired with the system.

Owners of these vehicles have filed 27 complaints in the electrical category.