The other day i got in my car to go to work and it wouldn't start and the service airbag came on the dic.My brother said it might be the ignition because he problems with his 01monte and 02 grand am.He told me to leave the key in the run position for 10min and it should start,so i did and it did.It ran good for 2days and now its starting to act up again,has this happened to any of you guys before?Thanks

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I doubt the security system is really the issue. These cars actually have transponders in the key, so unless the security light was on or flashing I'd suspect something else. Possibly an ignition switch

There's no way to tell without a scanner hooked up to the car though.

 

The light was flashing constantly when i lock it with the key fob.

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When the obd port gets power the interceptor showed the p0315 which is the case relearn,could that also be the problem?

 

The security light is supposed to flash when you use the key fob to lock the car. It will flash fast if you hit lock and a door is open to signal lock delay mode, or flash slowly when the content theft system is armed. If the security light flashes when you're trying to start the car it could be a problem.

P0315 won't cause a no-crank.

 

It flashes once when i try to start it then goes away and i get no power to the obd2 port.

 

no but my servic air bag light s on as well.

 

I replaced the crank relay and the car has been starting fine now.

 

man i tell u i have had nothing but problems out of my car since i bought my 09 ss cobalt n december of 08. its already been n shop twice 4 the lencage n the shifter break. now the bak 2 windows wont roll down the check engine light the service air bag light its hard 2 start when i put gas n it ( i np wiered huh) lol the turbo quit spool n. stock i was get n like 10 to 12 now it only go 2 like 5. its crazy ima take it bak 2 em 1 more time. dam good thimg i bought extended warranty. sorry man had 2 vent a lil bit.

 

Vent away lol

 

hahahaha true