When using my remote key fob my drivers door will not lock or unlock all the other doors are fine my car is s80 se lux volvo

flat battery in the fob
broken power wire between the door hinges
faulty door lock actuators
faulty master control switches
or faulty door switches at the doors

Sounds like the activator rod that goes from the door Handle to the latch is disconnected. You will have to get the door open to repair it and a good mechanic or tow truck driver can use a slim Jim kit to get the latch to release and then you can pull the door panel and find the problem.

either fit a new door lock or obtain a new remote or both is a better bet

can be the rod going to key lock keyless entry work on a different one

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I had a similar problem w recently bought 2003 S80.Several points: 1) Access your locking selonoid through the trunk interior panel ... loosen a few hex bolts and slide out for maintenance; 2) I fixed my lock by simply using light teflon-based oil (like for bike chains). I exercised it a few times and it works beautifully; 3) Not sure on your model, but gas door on the '03 unlocks when you push the associated release button under the headlight control switch. It is not designed to unlock w the key (again, check owners manual for your year). Hope this helps. master_pre08-04-2007, 09:35 AMYeah, the fuel door on my 2000 S80 is connected with the door locks. In order for it to open you have to unlock all the doors to the car. Sssnake08-14-2007, 03:39 PM Thanks Guys,

I removed the locking mechanism and applied a little silicon graphite and now it works like a charm.

with the key...go to your local car stereo shop and have a new keyless entry installed (around $89)

there are 3 possibilities that I would check first. 1: make sure the contacts on the door, and body where the touch are clean. the lock and unlock signal are sent through these. 2: You may try replacing the battery in your key fob. 3: the power lock motors may have gone bad. To check, lock the doors with the drivers door panel, if they lock, they are fine. Another solution may be to recode your key fob. procedure for coding the fob to your vehicle can be found online.

wires or plug where they pass from body to door in a big rubber sheaf

I have recently had this problem I believe this to has been caused by a fault in the drivers door lock assembly It seems this contains the remote receiver. In my case I think there had been some radio interference being the main cause. The remote system seems to be working OK, The door lock will still not operate with the key.
Remove and replace the fuse 25 resetting the ignition module. Starting the engine, switch off remove the key from the ignition, stay in the car lock the doors using the door button, press and hold the remote unlock button for approx 5 seconds, listen to see if you can hear the clicking of the door receiver when you press the remote buttons. Press and hold lock/unlock button. You may be lucky.