ECU Key codes

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ECU Key codes

oscardog

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Jan 3, 2011
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Hi All,
Recently (3-4 months ago) had an issue with ECU for a Stilo 1.6 Dynamic.

I had the ECU changed with a recondidtioned unit and it worked fine to a greater degree; the only issue being that on occasion I get a 'Car Security' message when I attempt starting the car. If it is left for a few days the message goes and the car starts without a problem.

I seem to remember when the ECU was getting fitted, the garage in question asked for the 'key codes' which I could not locate. The garage said they could 'get around the problem' which they appeared to do so - but I'm not sure if the 'fix' is causing the problem.

On one occasion I had the AA out who said they had to 'clear/discharge the key codes from memory' - when he did it worked fine.

Has anyone came across this issue or can advise on some possible solutions?
 
That might be the case, but I can't get it out of my head the fact that the garage said they 'could get past' the issue of not having the original codes.
Could they have added some sort of capacitor or something capable of holding a charge in definately that they refer to as a 'fix'?
 
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