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Old 01-14-2015, 11:34 PM   #1
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Default How to program 2002 SAAB 9-3 key with GM Tech2 scan tool

As a locksmith, some of my friends often come to me to borrow my car key programmer and program their own key to save money. The other day, a friend borrowed my GM Tech2 scan tool to replace a 2002 SAAB key as his was broken, but do not know how to use it. So I have made a quick guide for him. Hope this may also help anyone who needs it. Before the DIY, please note that this only applies 1999-2002 Saab 9-3 (and 2003 9-3 CV) and the 1998-2009 Saab 9-5. Earlier cars do not require programming as extensive as this, and the 9-3 Sport Sedan/Sport Combi are a different breed altogether.

How to:

An Electronic Key is a key that contains an electronic device called a transponder. Each transponder has a specific code embedded in it. The car must be made aware of the key and its transponder by programming with Tech 2 scan tool.

The 9-5 and Original 9-3 were the first Saabs to use an electronic key. Gone is the ability to simply have your hardware store cut you a spare key, these keys must be electronically programmed to the car that they will be used with. There is a lot of confusion and questioning on the respective boards regarding these keys, how to add more, what to do when you lose them all, etc. Hopefully, this FAQ will answer all the questions regarding these keys.

When you insert the key into the ignition, the TWICE module (Theft Warning Integrated Central Electronics) energizes a loop of wire surrounding the ignition key. The electromagnetic field generated by this loop (think of a very weak electromagnet) provides power to the transponder. The transponder sends its electronic code, which is read by the same loop, and TWICE then checks to see if the transponder’* code is in the list of “accepted” keys. If it is accepted, TWICE tells Trionic all is well, and Trionic starts the car. The message “KEY NOT ACCEPTED” will appear in the SID if it is not accepted, and the car will not start.

Please note that the key need to be cut although the transponder provides for the electronic unlocking of the car’* engine, the key must still be cut for the lock cylinder to turn the ignition and door locks.
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Old 01-14-2015, 11:39 PM   #2
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Hey, how many people do you think are here with a Tech2? 99% of the members here don't even have a programmer let alone a scantool. I'm pulling your link.
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Old 01-15-2015, 09:49 PM   #3
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Or you could just do the 30 min. relearn procedure. Turn key to the on wait 10 min. for the security light go off, turn key off then back on. For a total of 30 min.

Last edited by chevy82; 01-15-2015 at 09:51 PM.
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