6th Gen ('00-'05): crank no start
#2
Sorry to hear your having issues like this. Look over this link, it seems many people have had this problem. You may have to end up by passing your security system with a aftermarket part.
2002 Chevrolet Impala Passlock Problem, Won't Start And Security Light Is On: 223 Complaints
2002 Chevrolet Impala Passlock Problem, Won't Start And Security Light Is On: 223 Complaints