at a lost
Thread Starter
1st Gear
Joined: Apr 2014
Posts: 1
Likes: 0
at a lost
Drove my C5 today for about 2 hours, came home left car on driveway, went to start it and would not start, would not even turn over, nothing. A friend told me to disconnect the battery for about 5 minutes, i did and than it started. Any ideas what went wrong.
Le Mans Master
Joined: Mar 2004
Posts: 8,700
Likes: 298
From: Ft. Lauderdale Fl
Battery.....test it.
DIC codes.....if you have any codes, post them here.
Get back to us.
Burning Brakes
Joined: Sep 2013
Posts: 969
Likes: 141
From: Staten island NY
could be a security problem or a battery problem, or a starter solenoid problem.
What was happening to the SECURITY light on the dash when ou tried to start it? On solid? Blinking?? Out??
As stated above pull the codes and post them here. Include the H or C or HC that follow each 5 character code:
http://www.c5forum.com/ayc/dtcdic.php
OR
What was happening to the SECURITY light on the dash when ou tried to start it? On solid? Blinking?? Out??
As stated above pull the codes and post them here. Include the H or C or HC that follow each 5 character code:
http://www.c5forum.com/ayc/dtcdic.php
OR
Melting Slicks
Joined: Jul 2012
Posts: 2,507
Likes: 9
Any interior lights or other accessories working when it happened?
Le Mans Master
Joined: Mar 2011
Posts: 6,835
Likes: 302
From: Columbia SC
If your battery is low then it needs to be fully charged to do the load test at the auto store. I consider a full charge to provide about 12.7 volts or more at the battery once you remove the charger.
DO NOT charge a dead battery in the car without disconnecting the negative battery cable. The charger produces DC square waves a dead battery cannot filter and mitigate. You can fry the electronics by pounding them with square waves.
DO NOT charge a dead battery in the car without disconnecting the negative battery cable. The charger produces DC square waves a dead battery cannot filter and mitigate. You can fry the electronics by pounding them with square waves.
Le Mans Master
Joined: Jan 2007
Posts: 7,364
Likes: 6
From: Rocky Mount Virginia
Jiggle around the positive lead(red wire)from the battery as far down near the starter as you can. If that doesn't start it, open the passenger floorboard where the electronics are and gently move some of those wires. Don't disconnect, just 'massage' them a bit. 
Report if it started.
Report if it started.
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Team Owner
Joined: Sep 2002
Posts: 30,572
Likes: 4,610
From: Bonita Springs, Florida
could be a security problem or a battery problem, or a starter solenoid problem.
What was happening to the SECURITY light on the dash when ou tried to start it? On solid? Blinking?? Out??
As stated above pull the codes and post them here. Include the H or C or HC that follow each 5 character code:
http://www.c5forum.com/ayc/dtcdic.php
OR
What was happening to the SECURITY light on the dash when ou tried to start it? On solid? Blinking?? Out??
As stated above pull the codes and post them here. Include the H or C or HC that follow each 5 character code:
http://www.c5forum.com/ayc/dtcdic.php
OR
Or it could possibly be the crankshaft position sensor. Check your codes.To start I suggest that you first test your battery and terminal connections and if it shows 12 volts then it is something else.
Try cleaning the pellet of your key or try your spare key.
Open the cover under you passenger side floor and check the related fuses. You can also check the relay at the top left, just above the BCM to see if it is ok.
If you have power and can operate the windows, power seats, radio, lights etc then it is probably your starter solenoid. GM does not sell solenoids alone so you will have to replace the entire starter/solenoid together. Save yourself a lot of money by not purchasing from your local dealer who will probably want around $400. You should be able to find a new OEM starter for $250-$300 or a re-built for $150-$175 if it does turn out to be the starter solenoid. Did you hear any odd whining noises recently?
Last edited by Mike98SilVert; Apr 15, 2014 at 01:01 PM.