May have shorted a wire behind the stereo, the body computer has a constant feed that runs near the stereos, check all of the fuses and if one is blown pull the radio and look for a bare wire, you can also try putting the key into drivers door, turning to unlock, that should disarm the security.
SOURCE: porsche key fob
If the key had gone faulty, the key code must be re programmed on the vehicle computer. This can be done only using a PIWIS tool, available at the dealer or at a qualified Porche garage.
Try also the following reset:
turn ignition on,
turn off.
remove
the transponder from the column
push any button on the fob within 6
seconds.
This procedure will reset the key synchronizing again with the vehicle computer.
SOURCE: key fob will not undo
If you don't have one that works for the vehicle now, you'll have to take it to your local dealer to have it programmed to the vehicle. Some will charge for this, some will do it at no charge.
If you do have a remote that is programmed and working for the vehicle, then the following steps will allow you to program another remote:
1. Enter vehicle and close all doors.
2. Put seatbelt on (or clip it into the buckle) to shut the warning buzzer off.
3. Put key in ignition, turn to run position but don't start it.
4. Press and hold the unlock button on the working key fob and hold for 4 seconds, then also press the panic button.
5. Release both buttons and you should hear a single chime to indicate it is in program mode. You have 30 seconds after the chime to program any additional remotes you want to program.
6. Press and release both the unlock and lock buttons simultaneously on the remote you are programming. You should hear another single chime.
7. Within 4 seconds after hearing the chime, press either lock or unlock button on remote that you are programming.
SOURCE: 1999 Audi A3 1.8T Electric Windows and Central Locking Won't work
will your passenger door open with the key and is it just one side that your windows are not working or both. if its just one side it might be your regulator motor in the door thats not working if its both it might be your central locking pump usually in the boot. however if both of them are working fine it could be that your key needs reprogrammed however i think the 1st 2 are more likely to be the problem.
SOURCE: program ignition key to central locking on porsche 996 1998
Well, you can sometime catch the code again. Pt the key in the ignition and turn till the dash light come on (dont Start) then press and the Lock button while keeping the Lock button Pressed and turn the dash light off and put the key with the lock button Press for 10 second afterwards. If not successful first time try again. This should do it.
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I have tried diconnecting the battery and also changing the key phob battery but to no avail.
Year? Make? Model?
2004 ford ranger xlt thunder. also tried unlocking the door with the key and that doesnt work.
check for a shorted wire behind the stereo, it is probably a wire that runs off of a fuse the body computer uses.
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