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VW Passat - Intermittent Immobiliser fault

I have a 2001 'Y' VW Passat Estate 2.0 SE Petrol 5 Speed manual Transmission. I stopped the other day at the local DIY store came back 5 minutes later and the car would not start, called the AA they turned up and it fired up on the key. It would appear the immobilisor had kicked in. This has since happened on a number of occasions over the last week but tonight as hard as I tried I could not replicate the problem. In addition if I lock the car from the inside using the button on the drivers door, all locks pop closed but the front passenger side door pops up again, could a fault here affect the car starting?
Any info would be grateful before going to a dealer Thanks!

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Posted on Jan 02, 2017

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i also have a MK5 golf tdi with cental locking problem the drivers door wont open from the fob but all the other doors will, i taken the car to a garage last week when it was pluged in to the computer it showed errors they cleared them it sem't to solve the problem now its started again ?

Posted on Aug 17, 2008

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SOURCE: Motor car electrical fault

you are right they are connected check the rear catch for any broken wires but normally the micro switch breaks and sets the alarm off

Posted on Feb 07, 2009

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SOURCE: Motor car electrical fault

ok....the problem is the rear washer pipe has blown of in the tailgate where it connects to the motor,it happens when you operate the rear washer when it is frozen.the connection is fairly weak and cant cope with pressure build up.in both cases you need to remove the tailgate trim,reconect the pipe and dry out the catch as that has a micro switch in it that operates the warning light for tailgate open and the alarm.it is shorted out with water hence the false alarming and warning light on........if you pop the bonnet but dont open it that will stop alarm from arming as temp fix,but dont forget to shut it before you drive off .hope this helps,please rate this ,thx

Posted on Feb 09, 2009

  • 34 Answers

SOURCE: Central locking and electric windows not working

there is a ECU under the carpet on the passneager side ( right hand drive) check ecu for damage( maybe change) check the wires going to the ecu for brecks as well

Posted on May 11, 2009

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SOURCE: 2001 VW Jetta 1.8L - Front RH Door Lock won't lock

I have a similar issue on a 2001 Jetta sedan. jandkat seems to be talking about the old system that VW used (pre-1998). To my knowledge there is no vacuum-based locks in the 2001 models. I've had the door completely apart and there are defiantly not any vacuum hoses. The only 100% for sure fix I have found is to replace the door latch mechanism. There are some other options but I'm not sure they would completely fix the issues you are having. Now for the bad news: you can only get this door latch mechanism from VW dealers. I have yet to find a place online or elsewhere that carries them. They are around $185 for the latching mechanism and if you don't want to install it, be prepared to pay another $200 or so in labor. If you do want to do it yourself, here is a great site that has step-by-step how to take a VW door apart: http://forums.vwvortex.com/zerothread?id=1015107

Hope this helps

Posted on Aug 10, 2009

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