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Old 07-08-2006, 11:16 AM   #1
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Default antitheft problems

my buddy has a 97 grand am 2.4L, and the pcm went bad. so he changed it and now, the car will start and run for a few seconds then the anti theft light will come on and kill the engine. how do i reset it?
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Old 07-08-2006, 12:54 PM   #2
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You have to take it to the dealer for a case-learn no?
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Old 07-08-2006, 01:03 PM   #3
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Quote:
Originally Posted by Custom88
You have to take it to the dealer for a case-learn no?
i didnt think you had to do that for the antitheft stuff. nor with 97 cars.
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Old 07-08-2006, 04:14 PM   #4
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What did he replace the PCM with? In other words where did it come from? And if it was a junkyard unit did it come from the same type of car? Its possible that the PCM may need to be reflashed for his car

Also it sounds as if the engine is starting in Module mode and the PCM is not taking over... Not 100% what the issue may be as I am not an expert when it comes to the Quad( Twin Cam GM 4 Cylinders )

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