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Old 12-19-2018, 10:33 AM   #1
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Car Alarm

My FOB no longer works for opening the door. Using the key it gives me about 20 seconds to get in and start the car before the alarm starts to go off. Is there a way to overide this? Is the FOB something that you can buy and program, neither of mine work anymore.

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Old 12-19-2018, 02:30 PM   #2
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Just to clarify: have you changed the batteries in the fobs?
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Old 12-19-2018, 03:33 PM   #3
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You can have new fobs programmed at the dealer (not a DIY).

You could also try my fix: Key Transmitter Repair (new switch didn't fix it?)
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Old 12-19-2018, 03:38 PM   #4
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You can have new fobs programmed at the dealer (not a DIY).

You could also try my fix: Key Transmitter Repair (new switch didn't fix it?)
I can second this, I had one remote that had a broken switch in it. I bought a kit that came with three switches, and a battery. While in there I notice a couple loose solder joints.

After resoldering, and the new switches the remote is good as new
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Old 12-20-2018, 06:10 AM   #5
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Battery is new. I'll have a look at the soldered connections, looks like micro surgery!
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Old 12-20-2018, 05:25 PM   #6
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It is micro surgery. As long as you don't have a microscope, SMD soldering knowledge, ESD knowledge and a lot of soldering practice and the right tools i don't recommend DIY. Especially for the 4 th generation of the keys which use led free soldering and are ********************y as hell.

Why do i know that? I repair them: https://986fans.de

You can deactivate the alarm by turning the key in the drivers side door to the right first until the LED on the dashboard stops flashing. Than you can open the door by turning the key to the left.

Regards, Markus
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Last edited by Smallblock454; 12-20-2018 at 05:27 PM.
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Old 12-20-2018, 06:44 PM   #7
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It is micro surgery. As long as you don't have a microscope, SMD soldering knowledge, ESD knowledge and a lot of soldering practice and the right tools i don't recommend DIY. Especially for the 4 th generation of the keys which use led free soldering and are ********************y as hell.

Why do i know that? I repair them: https://986fans.de

You can deactivate the alarm by turning the key in the drivers side door to the right first until the LED on the dashboard stops flashing. Than you can open the door by turning the key to the left.

Regards, Markus
Naw, they're easy to do with a steady hand, regular magnifying glass and soldering iron.
Just take your time.
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Old 12-20-2018, 06:50 PM   #8
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Originally Posted by Qckslvr View Post
I can second this, I had one remote that had a broken switch in it. I bought a kit that came with three switches, and a battery. While in there I notice a couple loose solder joints.

After resoldering, and the new switches the remote is good as new
I saw your repair, nice job. Glad both of mine work.
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Old 12-21-2018, 04:44 AM   #9
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Naw, they're easy to do with a steady hand, regular magnifying glass and soldering iron.
Just take your time.
Yeah, easy as hell. How many did you repair successfully? And all versions of the circuit boards? And all kinds of wear?

Had some that were "repaired" by DIY guys. Conclusion: i reject now key fobs that formerly were repaired by DIY people.

Good luck!
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Last edited by Smallblock454; 12-21-2018 at 05:02 AM.
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Old 12-21-2018, 06:30 AM   #10
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I repaired my key fob by soldering in 3 new micro switches that I got from a guy in the UK. I have hands like hams and the eyesight of a mole but with the use of a head visor magnifier, fine tipped soldering iron and a steady hand I did it. That was 3 years ago and it still works fine.

I should probably do my spare key before I go completely blind.
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Old 12-21-2018, 06:45 AM   #11
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Originally Posted by Smallblock454 View Post
Yeah, easy as hell. How many did you repair successfully? And all versions of the circuit boards? And all kinds of wear?

Had some that were "repaired" by DIY guys. Conclusion: i reject now key fobs that formerly were repaired by DIY people.

Good luck!
I agree with you on that one. I am pretty good at repairing electronics and I know it's quite the job, and I have a soldering station that I use and am very handy with.
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Old 12-21-2018, 08:24 AM   #12
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Yeah, easy as hell. How many did you repair successfully?
I don't keep track, exactly, but a rough estimate would be 150-200. Did you see my article about it in SlipStream?
I've also helped a couple dozen repair their own by guiding them to my DIY thread and providing advice along the way.


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Last edited by particlewave; 12-21-2018 at 04:03 PM.
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Old 12-21-2018, 03:29 PM   #13
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So in the long run better to have both of mine fixed or just buy 2 new head units and reprogram them.
mine works for 10 minutes with new battery, then buttons won't work, light still flash,
put in another new battery it works... tried everything.

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