Some 2018 Mazda CX-5 vehicles equipped with cylinder deactivation might experience a check engine light on and/or failsafe with DTC P061B:00 stored in the PCM. 

The typical push button start complaint is “when I push the start button, nothing happens,“ but where do we start to diagnose this complaint when the ignition won’t even turn on?

With the ever increasing technology on today’s vehicles comes with ever increasing electrical demands.  You would think that electrical failures would be more prevalent than ever on today’s vehicles.