C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Need VATS/CCM help?

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Old Feb 19, 2004 | 08:21 PM
  #1  
kman0066's Avatar
kman0066
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Default Need VATS/CCM help?

Alright, this is a '93. Every now and then I get the Security lock-out(won't crank) for 3 minutes and it usually starts after waiting. I bypassed the key/ignition with the proper resistor, same stuff happened. Now I have another problem with the same system. I get a SYS/Security light that flashes every now and then. Today, it happened whenever I turned the key to try and start it. The engine would turn over, but it would not fire. I did not smell any fuel. It eventually started after trying a few times over a 15 minute period.

I need to know all the factors the CCM takes into consideration to let the car start or not. If it is just the key, then I guess I have a bad module. What do you guys think?

I don't have a custom stereo.


[Modified by kman0066, 7:23 PM 2/19/2004]
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Old Feb 20, 2004 | 02:09 PM
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Default Re: Need VATS/CCM help? (kman0066)

You can defeat this with a new PROM simply by turing off the 'x' box that enables the VATS system... hope that helps.
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Old Feb 20, 2004 | 02:36 PM
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Default Re: Need VATS/CCM help? (BluByU)

You can defeat this with a new PROM simply by turing off the 'x' box that enables the VATS system... hope that helps.

Which I'll do for free if you pay shipping. :D
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Old Feb 20, 2004 | 07:55 PM
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Default Re: Need VATS/CCM help? (Marcho Polo)

That does sound great, with one issue. I have a chip from PCMforless. I don't suppose there is just a wire I could clip :) Must be one the circuit board. I am getting a cable next week which I should be able to download my programming. Could you make a copy with this and add the no VATS module issue. I don't think that would cross the line on the chip.
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