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Car won’t start - 2012 GS

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Old Mar 10, 2020 | 10:07 AM
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Default Car won’t start - 2012 GS

This morning I got in the car and it made the dreadful clicking noise. But it started up and everything but the gage lights turned on. I knew if I turned it off it might not turn back on...and it didn’t.

now I’m locked out too! Trunk won’t open when I insert key and turn.

on top of that, for some reason my head unit is on and stuck on reverse camera and my interior lights wouldn’t turn off.

thoughts?
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Old Mar 10, 2020 | 10:09 AM
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First off, turn the key harder. It takes some force to get it to open. Once you do have it open test the battery, and check the connections.
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Old Mar 10, 2020 | 10:26 AM
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Default Trunk won’t unlock either

Tried turning the key all the way and won’t open
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Old Mar 10, 2020 | 10:29 AM
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Push down on the trunk lid while you turn the key. Second option is get to the starter and put a charger on the battery connection.
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Old Mar 10, 2020 | 10:38 AM
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Default Can’t get in

Pushed down on lid, tried pushing up on lid..won’t open

my key turns towards the passenger side but not drivers.

cant get in to pop hood

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Old Mar 10, 2020 | 12:34 PM
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Default Update

Wasn’t battery, starter, or alternator ...connections are good to battery as well.

Still won’t start..I’m baffled at this point.

Last edited by kingjaymes; Mar 10, 2020 at 12:49 PM.
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Old Mar 10, 2020 | 01:22 PM
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Bcm?
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Old Mar 10, 2020 | 01:40 PM
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So i just had a mechanic here, he messed around with the relay switches (ie took the starter, drivetrain and startup and wiped them down) and removed the terminal to the battery (it's a little loose, but not bad). And voila, the lights returned and the car was able to start.

I have no idea why tho...
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Old Mar 10, 2020 | 01:46 PM
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Huh. Microsoft Windows reboot cleared it up.
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Old Mar 10, 2020 | 01:49 PM
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Ctl+Alt+Del cleared it up

I had a new headunit/speakers/amp installed not too long ago professionally. I wonder if they flubbed up the relays/fuse
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Old Mar 10, 2020 | 03:10 PM
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Originally Posted by kingjaymes
So i just had a mechanic here, he messed around with the relay switches (ie took the starter, drivetrain and startup and wiped them down) and removed the terminal to the battery (it's a little loose, but not bad). And voila, the lights returned and the car was able to start.

I have no idea why tho...
"a little loose" is not good.
Battery connections need to be tight.
C6 Vettes sometimes have bad ground connections.
The negative battery terminal connector can be tricky.
Whoever did your audio may have disconnected negative battery cable and not reinstalled properly.

Last edited by oldcanuck; Mar 10, 2020 at 03:11 PM.
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Old Mar 10, 2020 | 03:22 PM
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Loose connections of any type are not good . Glad you got it to start . Very
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Old Mar 10, 2020 | 03:54 PM
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Originally Posted by oldcanuck
"a little loose" is not good.
Battery connections need to be tight.
C6 Vettes sometimes have bad ground connections.
The negative battery terminal connector can be tricky.
Whoever did your audio may have disconnected negative battery cable and not reinstalled properly.
This was my thought too. I'm no mechanic and many forum members have more experience than I do, but it definitely sounded like a battery issue - especially after the loose connection was mentioned.
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Old Mar 10, 2020 | 04:02 PM
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Default Loose Battery

Originally Posted by nannam
This was my thought too. I'm no mechanic and many forum members have more experience than I do, but it definitely sounded like a battery issue - especially after the loose connection was mentioned.
Mine too..the only hesitation I had to that theory was the head unit was stuck on with the rear view camera ( wouldn’t turn off) and the interior lights wouldn’t turn off either..

After taking out the fuse and then removing terminal to reset after a few seconds I replaced it and everything reset inside the cab.
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Old Mar 10, 2020 | 09:50 PM
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But why wouldn’t the trunk open using the key????

I thought that was the backup to get into the car if the battery was dead?

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Old Mar 10, 2020 | 10:42 PM
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Default Trunk key

Originally Posted by Poppa Bud
But why wouldn’t the trunk open using the key????

I thought that was the backup to get into the car if the battery was dead?

No idea. Seems like an unfortunate separate issue. It’s the valet key that I’ve used before to program other fobs. I don’t know it it’s a faulty lock but I will take to dealership soon if I can’t find the answer on the forums.
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Old Mar 10, 2020 | 11:27 PM
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The actual lock mechanism is a mechanical part, right? What is its connection to the battery/power?
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To Car won’t start - 2012 GS

Old Mar 11, 2020 | 08:29 AM
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None.

I think it's just an unfortunate coincidence I found this issue when my power died on the car.
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Old Mar 11, 2020 | 09:05 AM
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Originally Posted by kingjaymes
None.

I think it's just an unfortunate coincidence I found this issue when my power died on the car.
Ah - okay - wasn't sure what the connection was there, but it did make me worry a bit! The only way in the car once you have a dead battery is to open the hatch and pull the door release. If that hatch lock could fail from some non-mechanical part, that would bother me.
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Old Mar 11, 2020 | 09:28 AM
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I was HIGHLY bothered haha

I'm thinking it's a faulty lock and will have to take it to the local Chevy dealership to know for sure.
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