remote ignition, 2008 seat leon
Printed From: the12volt.com
Forum Name: Car Security and Convenience
Forum Discription: Car Alarms, Keyless Entries, Remote Starters, Immobilizer Bypasses, Sensors, Door Locks, Window Modules, Heated Mirrors, Heated Seats, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=124081
Printed Date: June 18, 2025 at 4:38 AM
Topic: remote ignition, 2008 seat leon
Posted By: barakk
Subject: remote ignition, 2008 seat leon
Date Posted: October 23, 2010 at 8:22 AM
Hello all.
I own a seat leon 2008 FR.
Right now i am building a remote ignition.
I have one small issue to solve before I start.
In my car I have security code.
Can I pass it and get right to the igition? Or I have to connect a microcontroller to the buttoמs and simulate the clicking?
Thank you for the help .
Barak. 
Replies:
Posted By: barakk
Date Posted: October 24, 2010 at 3:08 AM
any one can help me out here?
Posted By: howie ll
Date Posted: October 24, 2010 at 5:50 AM
Define security code, is this the factory transponder immobiliser?
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Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.
Posted By: howie ll
Date Posted: October 24, 2010 at 5:53 AM
Building a remote ignition? Waste of time buy a ready made. Cheaper more safeguards etc etc etc.
DEI 556UW to answer your first question, also it's identical to a Golf/Jetta Mk V.
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Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.
Posted By: barakk
Date Posted: October 24, 2010 at 6:38 AM
Its a part of a big project.
I just need to know if I can ignate the car without the code.
Thank you.
Posted By: howie ll
Date Posted: October 24, 2010 at 6:40 AM
No chance.
-------------
Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.
Posted By: barakk
Date Posted: October 24, 2010 at 7:58 AM
I just need to know if i need to insert the code or i can just ingate from the wiring. Thats all.
Posted By: barakk
Date Posted: October 24, 2010 at 8:00 AM
I didnt see your answer.
Thank you.
Can I connect a microprocessor to every switch and simulate the click?
Posted By: howie ll
Date Posted: October 26, 2010 at 7:43 AM
You've already got my answer.
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Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.
Posted By: howie ll
Date Posted: October 26, 2010 at 7:45 AM
There is no "code" it's random every time you turn on the key which contains an RFI chip which "handshakes" with the engine management central processor unit.
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Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.
Posted By: awdeclipse
Date Posted: October 26, 2010 at 9:58 AM
Do you have a physical keypad installed that you enter a code into before starting? Is it factory or aftermarket?
Posted By: howie ll
Date Posted: October 26, 2010 at 10:06 AM
No it's a Golf/Jetta Mk.V made in Spain. The poster is confusing us with his weirdly worded questions. He doesn't realise or explain very well that it's a standard transponder immobiliser.
I think he's trying to design his own R/S but he won't explain.
Trying to design your own R/S is a bit like trying to to design sliced bread without realising how many years it's been on the market.
-------------
Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.
Posted By: awdeclipse
Date Posted: October 26, 2010 at 11:36 AM
Thanks for the clarification. The comment about microprocessor for each button press is what led me to believe there might be an actual keypad similar to the OLD Code Alarm stuff (I think late 80s early 90s)
Posted By: howie ll
Date Posted: October 26, 2010 at 12:26 PM
The only cars with factory keypads over in Europe were Peugeots/Citroens in the early 90s. Luckily you never got them in the US (POS). Also luckily we managed to get our hands on the master code.
-------------
Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.
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