starting problem

it sounds to me like this automobile has had it, this sounds like an electrical problem, I would suggest to find a specialist qualified technician to diagnose your automobiles malfunctioning motor

Chevy dealership put it on diagnostic found no errors

I have a customer with same problem. It's leading towards ignition switch. Then you have to pass the pat system. With the new keys.

I have had the same problem with my 2011 Colorado. I think Chevy has a 10 minute or so start delay on any false start.to prevent someone from unplugging the ignition switch plug from the ignition and using an alternate ignition switch which can go thru all the various start switch resistor options in a short period of time. Similar to the time out used on passwords. First and foremost, change out the ignition switch and have it relearned by the computer module. This can be done by many small shops and doesn't require a massive chevy mainframe computer or dealership. I almost lost the little hair I have figuring this out. Chevy keeps this a big secret. The dealer wanted to change out my computer module. My local shop, A&B in Phoenix helped me fix this.

I drove to house and off it and with in 10 minutes I start it it refuses to spark

I have a 2005 Colorado it’s on it’s 3rd starter but truck doesn’t start on the first crank I have to crank it on the second turn of the key to make it start it’s been doing this sense I put the new starter in only cranks on second turn of the key would like to know if anyone has any similar problems or issues