Help ASAP
Race Director
Joined: Sep 2013
Posts: 11,825
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From: Ft Lauderdale
Tech Contributor
This is how to do a control-alt-delete on a car.....disconnecting batt won't do anything...
Find the battery and do a "GM global reset" GM techs do it all the time.
disconnect both of the cables from the battery
touch them together for 20 seconds or so, wait five minutes and reconnect the battery , positive first and then the negative
Find the battery and do a "GM global reset" GM techs do it all the time.
disconnect both of the cables from the battery
touch them together for 20 seconds or so, wait five minutes and reconnect the battery , positive first and then the negative
Last edited by Glen e; Mar 8, 2014 at 03:21 PM.
Melting Slicks
Joined: May 2007
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From: Naples, Florida
2015 C7 of Year Finalist
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From: Jacksonville Florida BWO Dayton, Cincinnati, Bloomsbury NJ, Cincinnati
2015 C7 of the Year Finalist
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From: Jacksonville Florida BWO Dayton, Cincinnati, Bloomsbury NJ, Cincinnati
2015 C7 of the Year Finalist
Did you put the car into "ACC" to do the programming? Asking the obvious....
Did you take it out of ACC?
Elmer
Did you take it out of ACC?
Elmer
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From: Jacksonville Florida BWO Dayton, Cincinnati, Bloomsbury NJ, Cincinnati
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From: Jacksonville Florida BWO Dayton, Cincinnati, Bloomsbury NJ, Cincinnati
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Safety Car
Joined: Aug 2012
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Did you try the reset procedure suggested by Glen?
Moderator emeritus
Joined: Jun 2001
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From: Jacksonville Florida BWO Dayton, Cincinnati, Bloomsbury NJ, Cincinnati
2015 C7 of the Year Finalist
I'm running out of ideas. The last resort is the reset of the car by disconnecting the battery. After that, try charging the battery. Sounds like a call for a flatbed to the dealer might be hovering in the wings.
Elmer
Burning Brakes
Joined: May 2007
Posts: 1,171
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From: Columbia Maryland
If it were a FOB issue, you would see a message that says NO FOB DETECTED when you try to start it. My bet is that you killed the battery setting everything up (with the radio on no doubt). Roll it out of the garage and hook up a set of jumper cables..
Thread Starter
Advanced
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Safety Car
Joined: Aug 2012
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What sort of clamps are used on the terminals of the C7 battery? My 2008 CTS is trunk mounted and uses tool-less quick release connectors, just move a lever to release tension and remove the cable.
Pro
Joined: Dec 2013
Posts: 642
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From: Between Forest Lake and White Bear Lake in the Land of 10,000+ lakes
Did you have a battery tender hooked up? If not, charge the battery back up. You might have just enough juice for lights, but not to start the car. Nothing to lose charging the battery.