PCM/ECM will not recognize a scanner any thoughts on what the problems may be?

2006 CHEVROLET COBALT
70,000 MILES
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COBALTSS06
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i tried hooking tuning software up to my car but it wouldnt recognize my car so i tried hooking up a scanner and it also wouldnt recognize my car. i tried switching fuses but still nothing.
Aug 26, 2011 at 6:08 PM
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JDL
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Does the software or scanner applications cover your year--make--model? I don't take anything for granted, anymore.

Pin 16 at datalink connector should be hot/voltage all the time. Pins 4 and 5 are grounds.
Sep 3, 2011 at 7:11 PM
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