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mxyplx

Keyless Entry Intermittent Malfunction

mxyplx
14 years ago

Keyless Entry Intermittent Malfunction

1995 Crown Vic, 79418.3 Miles, 1 Owner, Pristine

There are external buttons on the drivers door, a lock/unlock button on the drivers arm rest and a remote control.

1. Ocasionally the drivers door lock doesn't respond to input from ANY of the above 3. It might; might not. All the other stuff does (trunk, other doors, autolock function).

2. Additionally on occasion I have messed up punching in the combination on the door external buttons but have kept randomly punching buttons and it unlocks. The following exact scenario has happened several times:

Assume a 5 digit combination within this 5 button array: 1/2--3/4--5/6--7/8--9/0

with the combo being 3-4-9-4-5.

Assume a screw up on the first try but within 1-2 seconds further hit 3-4-9. The driver door unlocks.

We are using the permanent code built into the system - not a personal code.

What is the problem and where is it? In the door or the computer?

Car goes for dealer service next month - if it happens to be functioning properly at the time - well there's not much hope they could find the problem is there?

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