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July 27, 2020 Service bulletin

When the vehicle is in sleep mode, some customers may experience a failed remote control attempt using the...

Mazda technical service bulletin 16-002-20-3722 for 2020 Mazda MAZDA3 and 2020 Mazda CX-30.

Bulletin number
16-002-20-3722
Component
Latches/locks/linkages: doors: latch
Summary
When the vehicle is in sleep mode, some customers may experience a failed remote control attempt using the MyMazda APP, however, the second attempt works fine and no DTCs are stored. Remote control functions: - Remote Engine Start/Remote Engine Stop - Remote Door Lock/Remote Door Unlock - Remote Hazard Light. This concern may be caused by improper telematics communication unit control software. To eliminate this concern, the telematics communication unit software has been modified

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