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MKV GTi VW key fob won't unlock the car?

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24-11-2019 23:19:05 Mobile | Show all posts |Read mode
This morning my fob will lock the car and unlock the boot but not the car - ARGHHH!!!
Key still works in the lock so I can get back in.

Using this video I took the remote apart to check the battery but it's OK?

Then I realise the circuit board is only secured by one of the two plastic pegs that hold it down and the board can be prised up - which lets me check the unlock microswitch still clicks.

                                                                                 

I put it back together and discover the "lock" and "boot" release buttons click but the "unlock" one doesn't click.  So the button is moving the board into the fob rather than clicking the microswitch.

I opened it up again and I've cut the end off a cotton bud (nonconductive, compressible, sterile) and placed it over the end of the board next to the damaged plastic peg.  

                                                                                 

Put it back together and checked - all the buttons click and I can see the car locking/unlocking out the window.

Seems to me that the fob has a weak spot in the design, press too hard or too often on the "unlock" button and you'll push the circuit board off the peg.  

Hopefully this 1p fix will save someone from having to buy a new fob and reprogram it if their fob is just worn.
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 Author| 24-11-2019 23:19:06 Mobile | Show all posts
Well that cotton bud only lasted 2yrs and 10mths, good job I'd posted this so I could remember what I'd done to fix it last time
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