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 email@example.com . 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.
Remove the door lining and look inside by the lock. There is a linkage that has come adrift. To remove the door lining, remove handles, escutcheons, and arm rests. Using a wide blade screw driver gently pop the plastic rivets that hold the lining to the 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
How are you trying to open the door , button on key fob ? With this system you can pull up on the drivers handle an it activates
Antennas in the external side door handles (C30/C70 front doors, S40/V50 rear doors)
Antennas in the passenger compartment and cargo compartment
An antenna in the rear bumper
Quick lock motors in the lock units in the side doors
The remote keyless entry (RKE) receiver receives a signal from the key
The switch in the clutch pedal (manual transmissions) or a signal from the brake pedal switch via the central electronic module (CEM) (automatic transmissions)
Switch in door handle and lock button on handle .
If a door handle is pulled outward, a switch closes that wakes up the system and activates the antennas in the handles on the side where the handle has been pulled out. If a valid key is within a radius of approx. 1.5 metres from the handle, the relevant door will open and the vehicle will unlock one or several doors. Which doors are unlocked depends on the settings for the system. The vehicle can also be unlocked if the handle is affected on the tailgate.
sounds like the acuators arent working. Could be the master control on the drivers door. This may sound stupid but try to unlock from pass side or rear doors using the power lock switch. If it doesnt work, try pulling the locks manually up by hand. If they unlock by hand, and you can open the doors, the actuators are definately not working. Then you have to find out if its the switch or the actuators, my guess would be the switch. Actuators usually dont die in pairs. if none of this is your problem, the doors may be seized due to rust or moisture issues. Let me know how you make out
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.
If it makes a sound, but doesn't unlock / lock, then it's most likely the linkage has seperated. If it doesn't make a sound, it's most likely the actuator for the lock has broken. you'll need to remove screws that are by the door handle,
arm rest, under door and side of door and then gently pull back on the
panel as there will also be retaining clips attached and you don't want
to break them. You'll need to lift the door panel upwards in order to
get it off the window ledge. Then you'll need to pull off the seal in order to see inside the door