Need Help!!! Door Ajar light will not go off

2k3stangguy

New Member
Aug 21, 2003
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I started my 06 GT and the door ajar lights were on and then proceeded to beep constantly. I checked and reshut both doors 3 times and tried turning the car off then back on again. No luck at all. The car is a 2006 GT Automatic the only modifications are a JLT CAI with 89 Octance Brenspeed tune via SCT2 tuner.

I tried searching but found nothing relevant. Has anyone else had this problem. I have had the tuner and cai on the car for almost 2 weeks with no problems whatsoever so Im not sure thats the cause.

The car is only 6months old so I find it hard to believe it could be a sensor.

Any help would be much appreciated as I may have to return it to stock and take to the dealer and it had better be covered under the warranty