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2002 VW Passat - Both remote keys stopped working

Took it to the the dealer and they said it wasn't the keys because the battery lights up on the key when pressed. Said it could be the comfort control sensor but they would have to replace it first, program it and then see if it works which means I would have to spend alot to find out it might not be the problem. Could the contacts in the keys be dirty? and how do I get the top part where the buttons are off the remote to check?

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Posted on Jan 02, 2017

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SOURCE: how do you change battery in key fob on 2002 vw golf

No problem. The key fob is two pieces. The key part and the remote. Open the key as you would to sue it. Where the key flips open you can see a small recess about where the line of the trunck switch. This is where the key separates. You can pull it off or pry it with a small screwdriver. Once separated with remote part in your hand this also splits in 2. In the same area you split the key off insert the screwdriver in this recess and the fob will open giving you access to the battery. Also can be done by hand. It is a little tight so you will have to force which is normal. No screws just clipped. Make sure the battery is positioned in the right way and that you have 3 volts when you test the battery. 2.7 volts will make the remote not work or act funny.

Posted on Nov 01, 2008

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SOURCE: Engine warning light and engine vibration 2002 VW Passat

The flashing is telling you that the engine is mis-firing, the dealer will run a test to determine the cylinder that is mis-firing, chances are it is something simple

Posted on Dec 01, 2008

  • 57 Answers

SOURCE: 2002 Passat won't start

Miiiight be a fuse but more likely to be the starter solinoid.

Posted on Jan 04, 2009

  • 102 Answers

SOURCE: How do you replace the battery in the remote control with key?

the switchblade key comes apart buy lightly prying the 2 halves apart with a pocket screwdriver then the half that has the buttons will pop apart like a watch the battery is a watch/hearing aid battery, think the number is c2023

Posted on Mar 23, 2009

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SOURCE: 2002 vw passat wagon abs light on

this takes a dealer only scan tool to diagnose.

Posted on Mar 23, 2009

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Vw passat 2006 slow to start this morning and this afternoon alarm went off when i locked the car and took 10 seconds to stop

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Programming keys for 2001 VW Passat

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Convenience Control Module Where do I start, this is a bit long winded, but worth the wait….
Back in August 2008, my alarm started going off at all hours of the day and night and often I would be driving along the road with the alarm sounding as I went. After several days of checking fuses and relays etc I booked it into a reputable VW specialist in Totton, who proceeded to charge me £75.00 for the privaledge of telling me it was probably the Convenience Control Module (CCM). At a cost of £207.00 I could not afford one at the time. As the days and weeks past my electric windows stopped working and remote gave up, interior lights stopped and clicking came from the passenger foot well. On finding this website I began to do some DIY and located the looms under the passenger foot well everything that was supposed to be there was there. Unfortunately there was no corrosion, I wish there had been.
This is where it gets better. It is now October 2008 and I am threaders now, so I speak to the original garage that did the diagnostics and they were going to charge me £337.00 to purchase and “program” the CCM. I then rang VW Parts department in Southampton and ordered the CCM at a cost of £207.00, they then diverted me to the VW servicing department who then told me it required programming at 2 hours work that will be £275.00 fitting, VAT, and labour. I nearly fainted and told them that I was not interested in their high charges and that I would seek fitting elsewhere.
At this point I rang another reputable garage in Durrington, who had helped me out in the past with another problem, they were going to charge me £40.00 + VAT, that’s better so I booked it in. I collected the CCM from VW parts and connected it up, the windows worked perfectly and the interior lights worked fine. The remote and alarm obviously needed programming so I waited until the Saturday morning for the inevitable “programming”.
Nearly finished. I waited at the garage whilst they took it in and after 10 mins returned and asked for my spare key, which of course I did not bring. They said therefore that they could not program the CCM etc, however, I could do it myself… What? I said. All you need to do is place one key in the ignition whilst using the other one to lock the car whilst pressing the lock button for about 5 seconds and then do this with the unlock button also for 5 seconds and then repeat with the other key.
They didn’t charge me for the advice or the 10 mins they had already spent on it. I returned home and “programmed” the CCM and the remote works fine and the alarm works fine, everything works great. I was livid and angry that the 10 seconds worth of work could have cost me £275.00 by VW who said it would take 2 hours worth of labour.
I realise that they have to make a living but that is taking the biscuit surely. If this helps just one person then it is worthwhile.

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1 Answer

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Jun 18, 2009 | 2002 Volkswagen Passat

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My used 2003 Passat came with both fobs unable to hold a key. I had to break them open to retrofit a loop. These are some great links that I bookmarked. The first one should give you programmin instructions.Good luck!

Jan 31, 2009 | 2003 Volkswagen Passat

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