Is there a "click" sound when you went to start it? It could be a bad/intermittent starter. Also verify that the brake lights come on when you press the brake pedal, these are known to have bad brake switches at times. If there were no trouble codes there shouldn't be an issue with the immobilizer key fyi. When I get an intermittent one like this, I place a jumper wire at the starter terminal and verify 12 volts when I attempt to start the vehicle, if there is 0 volts I then back track the circuit to the source,if there is 12 volts and no start then I know it's the starter. It sounds like the battery is weak or the starter has gone out but to be sure lets check out these guides, they can help us fix it
https://www.2carpros.com/articles/starter-not-working-repair
and
https://www.2carpros.com/articles/car-battery-load-test
Check out the diagrams (Below). Let us know what happens and please upload pictures or videos of the problem.
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Wednesday, October 2nd, 2019 AT 9:07 AM