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Car alarm goes off when I unlock by way of key

Tiny
STEPHANIE STANCIL
  • MEMBER
  • 2003 JEEP GRAND CHEROKEE
  • 4 CYL
  • 4WD
  • AUTOMATIC
  • 213,000 MILES
My mother gifted me her 2003 Jeep Grand Cherokee. She misplaced the fob remote, so I only have the key to the ignition. Recently I noticed that periodically when I unlock the drivers side door and open it, the alarm will go off until I put the key into the ignition. It happens randomly though. Sometimes I’ll unlock it and it won’t prompt the alarm to go off, but other times it will. Please help, it’s so obnoxious.
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Wednesday, January 30th, 2019 AT 8:37 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,536 POSTS
Hello,

It sounds like you have a DDM (drivers door module) going out. Here is the wiring diagrams so you can see how the system works and the DDM location as well. You will need to remove the door panel. here is a guide to help walk you through the steps with diagrams below to show you on your car:

https://www.2carpros.com/articles/door-panel-removal

Check out the diagrams (below). Please let us know what you find. We are interested to see what it is.

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Saturday, February 2nd, 2019 AT 2:13 PM

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