I have problem with off side passenger door not locking. Will not lock or unlock off fob or switch on drivers door. Also noticed when locked alarm light on drivers door not flashing.

The read door has locked/unlocked occasionally but nothing most of the time. I have read pits of posts on here suggesting could be either wiring on drivers door or rear. Any one had same problem before I start pulling door cards off. Any help would be much appreciated.

Thanks in advance, car is an 03 estate L n K by the way.

Did you performed a diagnosis? Do you have some error codes ?

There could be many possible rootcauses:

- 2.5mm red/yellow line of the door electronics corroded

- wires between doors and pillars could be interrupted or short circuits between them

-....

Take the door panel off and check for power/earth on the lock motor wires. They are the two bigger wires. That'll tell you if you've got an electrical problem to the motor (corroded or broken wires), or the motor/door latch itself is faulty.

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