The door lock system will not unlock the pass door, all the rest work normally . This makes the pass, front door impossible to open . I tried to pull the lock rod up and pull the handle to open,inside and out . I do not know if I can pull off the interior door panel with the door shut . Any ideas ? Please sent a reply to firstname.lastname@example.org . Thank You . R.
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What kind of vehicle? Some cars require you to push the fob unlock button once to open the driver side and a second time to unlock the rest. Some systems can be programmed to unlock all or just the drivers door.
Gremlins ! HA HA HA sorry ! First off a little bit on how they work an what all is involved in making them work ! There are a few control modules in the mix , switches ,relays etc...
Door Lock System Components
The power door lock system consists of the following components:
The driver door module (DDM)
The passenger door module (PDM)
The body control module (BCM)
The driver information center (DIC)
The rear door lock switch
The door lock relay
The door unlock relay
The liftgate lock relay--utility vehicles with liftgate only
The reversible door lock actuators in each of the doors and liftgate
Door Lock System Controls
The power door lock system can be controlled by any of the following:
A power door lock or unlock switch activation
A keyless entry transmission
An automatic door lock function
A delay lock function
Door lock cylinder switch activation
An airbag deployment
The front power door lock switches are integral components of the driver door module (DDM) and passenger door module (PDM). The switches are two position normally open rocker switches. When placed in either the lock or unlock positions, the switches provide a direct input to the DDM or PDM. The DDM or PDM monitors these inputs and sends a Class 2 message indicating a change in the switch's respective position. Modules which activate the power door lock motors receive the Class 2 message and activate the motor in the appropriate direction to lock or unlock the vehicle's doors and liftgate. The rear door lock switch provides a lock and unlock signal to the body control module (BCM). The BCM upon receipt of a lock or unlock signal will control the rear door lock relays and also send a Class 2 message to the DDM and PDM to perform the appropriate function.
The modules which activate the power lock motors are:
The DDM (driver door lock actuator).
The PDM (passenger front door lock actuator).
The BCM (both rear door lock actuators and cargo door/liftgate).
The DDM and PDM are directly connected to the respective door lock actuator through the door lock motor lock and unlock circuits. Once a door lock or unlock request has been received, the module will supply battery voltage to one side of the actuator and ground the other causing the doors to lock or unlock.
The rear passenger and cargo doors differ slightly in that they use lock and unlock relays. The relays supply and coil sides receive a constant voltage through the battery voltage supply circuit. The normally closed contacts are connected to ground and the control side is connected to the BCM. Once a door lock or unlock request has been received by the BCM, the BCM will ground the control side of the appropriate relay. This energizes the relay and allows voltage to be applied to either the door lock motor lock or unlock circuits. since the other side of the door lock actuator is connected to the normally closed contacts of the opposing relay to ground, the doors lock or unlock.
The first place to start is have a factory or equivalent scan tool hooked up , one that can read BCM DTC'S - diagnostic trouble codes ! This could lead to a fix faster ! Watch these three videos ! Door Locks Go Crazy 1
well i think its a problem in the reciever to that door. If it is you can locate the reciever and trace what wire works the lock on that door. then trace the wire that goes to pass door lock and run a jumper to the wire to the drivers door lock. you might find where the wire to that door is possibly broke
It's suposed to stay on till you open the door even the power windows should work even with the key off and pulled the problem can be the door switch is bad unplugged or the wire to it where it goes thought the door hinge area can be broken. do any of the other door oopen and close functions work? Interior light work like it's supposed to? If not the switch may be bad but if any fuction of the switch works then it and it's wire are good. Is the check engine light on with the engine running? if it is this needs to checked out. The best way to find the problem is with a dianostic scanner in the body dianostic mode but eliminate the door switch first as they fail alot and it'll make it do it. In dianostic mode you can see all the door switches and there's one for every door and they all have to ge right and good or the system wo'nt reset corectly. The thing that can be bad and a scanner will find it is the GEM ( general electronic module ) sounds expensive? Most are less than $60 but some are bumping 200 it's find plug and play but sometimes with the scanner in acutor mode you can find a door lock motor or switch not responding and fix it and the system will then reset and it'll go back to normal. now rember I said any door switch not working, so agood reset involves window down doors closed and the hood open disconnect the battery and then lock all the doors close them good, All of them! Now conect the battery unlock the driver door with the key and then unlock it again the other door should unlock then too, if it doesn't this is on your list to fix too. The lock motors have to work or the systems door locked or unlocked switch won't know that it's still locked and the system fault will not let it work corectly. The GEM seldom fails and many are replaced and not fix the car so don't jump at it. Make the doors pass every thing first. Turn the key in the lock both sides if you have a passenger lock it has an unlock switch too, and it has to work as it reports if the door is locked or not. The remote unlocker need not work but it's nice if it does but it won't throw the system off.
Apparently the "LOCK" function is working normally because the burglar alarm is being activated when you 'lock' the car. Is this right?
The fact the engine won't start when the burglar alarm is activated is NORMAL If the doors will not UNLOCK front the driver's door manual switch, I believe you have a bad DOOR UNLOCK relay in the control module.
Your door is what is known as 'dead locked'. There is a small servo motor which controls each door lock. When these motors go they lock up and make it impossible to open the door. Here is the procedure. This is for a rear door but the process is virtually the same for a front door.
The keyless entry is designed to work with the doors closed (closed - not locked). If the door ajar sensor thinks the door is open the keyless entry is disabled. When you manually lock the door it might tighten the door just enough to activate the keyless entry. I would try slamming all the doors closed and then see if the keyless entry works. If it still wont work have the wiring checked on the front door lock.
They all do it, its part of the security system that all the doors lock after a minute or so from unlocking if you don't open the driver's door. It prevents you from accidentally unlocking the car door while walking away and clicking the remote in your pocket, the car re-locks on its own. If you open with the remote then open only the rear door, the other doors all lock and when you close the rear the alarm goes off. What fun we have!