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November 20, 2019 Service bulletin

Some customers may complain about:  Intermittent engine no start  Instrument cluster red security...

Mazda technical service bulletin MT-004-19 for 2014-2020 Mazda MAZDA3, 2013-2020 Mazda CX-5 and 2014-2020 Mazda MAZDA6 and others.

Bulletin number
MT-004-19
Component
Equipment
Summary
Some customers may complain about:  Intermittent engine no start  Instrument cluster red security indicator light ON  Engine Start/Start Button Amber indicator light flashing  Battery discharge  Electrical relay buzzing noise  DTC B13D3:94 (Communication error with remote transmitter) stored.This may be caused by:  A key in a purse near a cell phone. The cell phone radio waves may interrupt the immobilizer system.  An aftermarket cell phone charger. The charger may produce electrical noise that interrupts the immobilizer system.  An aftermarket GPS tracker. Some aftermarket devices that are wired to the vehicles’s wiring harness may create unusual electrical symptoms.

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