Question about 2000 Pontiac Bonneville

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I just replaced the ECM in my car with a new one that I ordered from autozone. I also ordered the all-data disk from them which doesn't work ($26 down the drain). At any rate, the car won't start because of the security code that the new ECM hasn't seemed to relearn yet. Since I cannot access my all-data disk I cannot find the procedure for the relearn process for my 2001 Pontiac Bonneville. Help!

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The ECM must be programmed according to the VIN. I suppose you did this already. In addition, I understand that the ignition transponder key must also be computer matched to the ECM. If not the car eill not even turn over. Good luck

Posted on Jan 29, 2011

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Clearing data- if that is resetting to you

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If you got no dash lights on after the
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