Front passenger door unlocks by itsself and alarm keeps blaring in my 2006 ford taurus. i lock the door and go in the house and about 20 minutes later it does it again. i have to un hook the battery every night. ive had a new battery put in and the motor in the passenger door replaced. it also rains in through the front windshield
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Re: door keeps unlocking and alarm keeps coming on
It sounds like it is in the door lock actuator and the security mode itself now if you have a remote starter installed you may have to take it back to the person who installed it because the problem maybe in your security system
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DR/LCK fuse 25 amp . located in the I/P block
Fuse Block - I/P
In the right front kick panel
Power Door Locks System Components
The power lock system consists of the following components:
• Body control module (BCM)
• Driver door lock cylinder switch
• Front passenger door lock cylinder switch
• Driver door lock switch
• Front passenger door lock switch
• Door lock actuators in each of the doors
• DR LK Fuse 20-amp
Door Lock System Controls
The Power Door Lock System is controlled by the body control module (BCM) and can be activated by any one of the following:
• A door lock switch lock or unlock actuation
• A door lock cylinder switch unlock actuation
• A keyless entry transmitter actuation
• An automatic door lock actuation (Personalization function)
• An automatic door unlock actuation (Personalization function)
Door Lock Operation
When the body control module (BCM) detects a transition of either of the door lock switches to the lock position, it switches the door lock actuator lock control circuit to voltage. Since the lock actuator unlock control circuits are at ground potential within the BCM, the door lock actuator motors transition to the lock position.
Driver Door Unlock Operation
When the body control module (BCM) detects a transition of either of the door lock switches to the unlock position, it switches the driver door lock actuator unlock control circuit to voltage. Since the door lock actuator lock control circuit is at ground potential within the BCM, the left front (LF) door lock actuator motor transitions to the Unlock position.
The driver door lock actuator unlock control circuit is a dedicated control circuit used only for the driver door lock actuator motor. This is done so that the driver door may be unlocked by itself using a keyless entry transmitter or an automatic door unlock function (if programmed).
Passenger Door Unlock Operation
When the body control module (BCM) detects a transition of either of the door lock switches to the unlock position, it switches the door lock actuator unlock control circuits to voltage. Since the door lock actuator lock control circuit is at ground potential within the BCM, the passenger door lock actuator motors transition to the unlock position.
The door lock actuator unlock control circuits are dedicated control circuits used only for the passenger door lock actuator motors. This is done so that the driver door may be unlocked separate from the passenger doors using a keyless entry transmitter or an automatic door unlock function (if programmed).
Your horn relay may be shorting out, making your horn operate all the time. Have a look at your relays. You might find the horn relay is the same as another relay, If it is, try swapping relays with a known good one, and see if the horn operates normally. If so, get a new relay. Good-Day!
It is telling me to lock the doors with the key, this will arm the system, then you should be able to unlock the doors after about 3 seconds and this should disarm the system. Also, if it doesn''t try unlocking the passenger side door or the back glass with the key. Let me know you must wait at least 3 seconds before unlocking back glass or passenger door to disarm system once one door is unlocked without setting off alarm it is disabled. hope this helps
had a similar problem with a hyundai coupe , this turned out to to be the door lock mechanism in the drivers door, so could be the place to start, as i would have thought that generally the power locking technology is the same universally
Unlock the passenger door first and see if the problem still exists. If so, the doors lock and unlock sensor will likely need to be replaced. The vehicles security system is not getting the unlock signal when you unlock the door. Hopefully, the passenger side is still working.
Open the trunk and up under the package tray where rear speakers mount,on the passenger side you will see the module.It will be black and have 3 connectors to it.It will have a sticker on it with a 5 digit code.It will also have a sticker on one of the trunk hindges with this code if someone has not removed it.Here is how the system works:
Keyless Entry Keypad
To unlock the driver front door (20124), and disarm the anti-theft alarm control (19A366) (if equipped):
Enter the permanent factory code.
Enter the owner's alternate code.
To unlock the passenger door(s), press the 3/4 button within five seconds of unlocking the driver front door or luggage compartment door (40110) .
To unlock the luggage compartment door, press the 5/6 button within five seconds of unlocking the driver or passenger door(s).
To turn on the interior lamps (13776) and light all illuminated components, lift either front door handle (22404) and press any button on the keyless entry keypad (14A626) .
To lock all doors, press the 7/8 and 9/0 buttons at the same time. (It is not necessary to enter the key code first.)
This will turn off courtesy lamps.
To program a temporary code:
Enter permanent code.
Within five seconds of pressing last button of permanent code, press 1/2 button.
Enter any alternate five-digit code within five seconds of pressing 1/2 button.
the key on engine off 8 times. the doors will lock and unlock. push one
of the buttons on the key fob and the doors will lock and unlock. do
this for each remote that you have. when you are done turn the key off.
the door locks will lock and unlock. the remote fob should work after
this." From My SecuriLock..
sounds like the drivers side key switch has failed remove the interior door panel and there will be a switch attached to the back of the key lock cylinder or around there it should be two or three wires also check the door jamb wire harness where the door closes for any broken or damaged wires, use a vot meter and see if you get power or ground to the opposite side of the switch when you use the key to lock and unlock the door if nothing changes and there is power or ground! at this switch i would replace it, i don't think there is one but if the car has a passenger side key hole try to unlock the car from that side and see if you get the same problem -jeff