My 2015 honda fit wont turn over when I turn the key. All the dash lights come on but when I turn it nothing happens. Tested battery, starter and alternator all of them where good. Any ideas what could cause this?

 

How was the starter tested? If you were somehow able to run power directly to it and bypass the ignition switch, then probably something is bad with the switch. When the starter was tested, did it turn the engine over?

My car had a starter go bad, it would spin but the solenoid wouldn't engage the flywheel. If there's any more you can describe on how your car is acting, it might help.

 

Starter relay, ignition, key immobilizer, transmission park safety switch/ clutch safety switch, just a few things I can think of.