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Old 08-20-2007, 03:23 PM
Accent01 Accent01 is offline
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Cobalt Code Scan

I am trying to scan my Cobalt with an Actron Code reader, but can't get it to link up. I've tried all the key positions, and have tried with the car running. I keep getting "Unable to Link". Any Suggestions?
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Old 08-20-2007, 03:25 PM
Accent01 Accent01 is offline
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Trying to Scan Cobalt

I am trying to scan my Cobalt with an Actron Code reader, but can't get it to link up. I've tried all the key positions, and have tried with the car running. I keep getting "Unable to Link". Any Suggestions?
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Old 08-20-2007, 07:16 PM
rodeo02 rodeo02 is offline
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Re: Cobalt Code Scan

Cobalts (mid 2005+?), all GM cars for that matter, require a code scanner that is CAN compliant. CAN = Controller Area Network. A plane old OBDII scanner wont work. It's got to be OBDII with CAN.

Joel
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Old 08-21-2007, 12:08 PM
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Re: Cobalt Code Scan

Those rotten scoundrels! You would think the scanner would work on all cars. Oh well. Thanks for the answer. I guess I'll just bring it over to Autozone and have them scan it for me. My wife lost the gas cap and drove the car for a few days until I bought a new one. I assume the code popped up while driving without the cap. Shouldn't it go out on it's own after a certain number of drive cycles?
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Old 08-21-2007, 02:13 PM
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Re: Cobalt Code Scan

No doubt the code will be an EVAP system code from driving w/out the gas cap. It will go out after a certain amount of driving cycles. It could take a week or two. You could try AZ for a code read, but I doubt the staff will even know if their scanner is CAN compliant or not.

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Old 09-02-2007, 10:43 AM
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Re: Cobalt Code Scan

Threads merged from other forums. Please post only one thread regarding a specific question or problem.
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Old 09-11-2007, 11:25 AM
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Re: Cobalt Code Scan

Yes, it did finally go away after a few weeks. It makes me sort of mad that my scanner is useless on this car though. It has saved me some $$ on troubleshooting troubles on my son's car, I thought it would work on the Cobalt also. Oh well, live and learn. Thanks for the replies.
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Old 09-12-2007, 12:38 PM
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Re: Cobalt Code Scan

Thnx for the update. It is a bummer your scanner wont work. Good news is, you can get an OBDII with CAN scanner for under $50 if you wanted to. Waaaay cheaper than a dealer diag fee!

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