2001 F150 super crew 5.4 2wd.woke up to totally dead battery. charged batt for 30 mins, truck started fine. ran truck for 15 mins. when I turned it off and took key out the odometer still showing mileage. thieft light blinking fast then goes to 1:3 code, gauges on and batt light and airbag light stays on. New batt as of 2 mo ago. using aftermarket key. has anyone seen this or have any suggestions. Thankx