Resetting the 2003 Jeep Grand Cherokee anti-theft system is very easy to do, and it will only take around 5 to 7 minutes out of Your day. The first thing You will need to do is go to the driver's side of Your vehicle. Do not open Your door yet. First, You should make sure all of the doors on Your vehicle are secure and locked. Next, use the physical key to unlock the driver's side door. Get inside, and shut the door. Now, turn the key in the ignition to the on position. Do not crank the motor. Repeat turning the ignition on and off two more times, for a total of 3 repetitions. The security system should now be reset.
ken
October 20, 2020
No one in there right mind would want to reset alarm system in a 03 jeep ,lets elinate it!!!!!
Robert N
July 16, 2020
To reset the alarm on the 2003 jeep grand cherokee you need to lock all the doors, then unlock the driver side and put the key into the on position. Now turn it off and then back on twice and it will reset.
Owner Denise Bush
February 8, 2023
What happens if I did that and it still doesn’t put the alarm on
Richard
February 14, 2023
Will this work when the horn goes off randomly when I start it. If I pull the horn fuse the headlights also quit working
Rommel
July 4, 2023
Hello thank you so much work for me I put the key into the ignition like three times on and off. Keep trying until the alarm goes off.
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March 23, 2023
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