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Ernest 3/24/2021

2003 Pontiac Grand Prix GT 6 Cyl 3.80L


how do u reset anti theft system

hi my is Ernie I have a 2003 pontiac grand prix gt an i recently changed my battery in the car because it was bad an since the battery was removed it reset my whole car ecm module an now my anti theft light is on
how wld i be able to get it off an wld i have to get a new key reprogramed now

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