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Saab Key Programming Saab cars built since about 1994 have an immobilizer feature based on coded keys. A new transponder is required for inclusion of an additional key, and special programming. This is usually done by the dealer using a Tech2 diagnostic tool. The problem is that this could be extremely expensive. This is why it is important to always keep a spare key in your possession. Transponder key The transponder keys are keys equipped with an electronic chip. It sends a signal to car when it is inserted into the ignition. The car then checks to see if the signal matches the one on the key. If the signals are the same, the car will unlock itself and begin. This is a great way to avoid auto theft and keep your car secure from thieves. Transponder keys are a popular feature in automobiles, however you should be aware that they're not as secure as traditional metal keys. While the metal component of a traditional key could be cut and copied however, a transponder is secured by an electronic chip. The chip has an individual code that is programmed into the car's computers to identify it. When a Saab key fob is used the car recognizes it and allows it to turn on. The car will only recognize the key fob if it is equipped with an unmodified chip and programmed to match. The car will not start in the event that the key is not programmed to match. It is crucial to have a spare Saab key. This is particularly important if you live in a rural location where there are a lot of car burglars. The good part is that you can find a replacement key to your Saab without having to go to an auto dealership and pay the hefty prices they ask. In most instances, you can get a brand new key made right on the spot for less than half the price of what you would pay at the dealer. Wired key Saab cars typically come with two keys when they're new. If you own only one, you should purchase an extra key as soon as you can. This is because, if it's lost the car will require an entirely new CIM and the locking cylinders replaced. This can be costly especially if purchasing a used car. The next step is to wire the wires for the column and row to the microcontroller. This is the most difficult part of the project and it will require lots of soldering. There isn't a standard method to do it, but you need to think about how to connect and solder each column and row. There are 22 microcontroller wires and pins that you can connect to this keyboard. It includes 5 rows and 17 columns. After the columns and rows are soldered together It is now time to connect the key switches. Solder a diode to each key switch pin. This will shield the pins that are used for key switches from current and stop them from being shorted. A diode permits current to only flow in only one direction. It has a visual indicator that is black, that indicates the direction in which current will flow. A few of the tools that are available at auto parts stores- such as the Autel MaxiIM IM608 PRO and IM508 — could help customers in the shop, or even DIY customers in certain cases create replacement keys and restore the lost immobilizer's data, Sanabria says. The tools plug into the OBD port and automatically guide the customer through the process, making it easier than replacing the computer in the vehicle. Jumpstarting the battery The majority of people have a set of jumper cables in their trunk to use in an emergency however, jumping a battery on modern vehicles might not be the most efficient option. They have numerous electronic devices and computers that communicate with one another. A voltage surge while a battery is hooked up to another could cause damage to these components, rendering your vehicle unable to drive. Connect the cables to the vehicle operating. Allow it to run for two minutes. Attach the red clip to the positive terminal on the good battery (it will have “POS” or “+” on it). Attach the other end of the black cable to a clean, unpainted metal surface underneath the vehicle's hood. An engine block is a good option. The black cable is not to be connected to the negative terminal of the dead battery. This could create sparks, which would ignite the gasoline in the engine compartment. After the cables have been connected, you can start the car and let it run for about five minutes. Then, disconnect them in reverse. Remember that the battery on your Saab 9-3 is charged when you drive, so it may take some time to get the battery back down again. You should invest in a second key fob, as soon as you can. Replacing the one that works requires the installation and programming of a brand new computer chip. Replacement Case Many Saab owners only have one key for their car and if they lose that it's going to cost them. The reason is that it's costly to buy a new key, and it requires replacing the CIM (Column Integration Module) or TWICE on older models, as well as programming. It is best to have a spare key in the event of theft or any other catastrophe and the best option is to purchase a second key as soon as you can. Even when the key is “new”, it will not work. replacement key for saab 93 www.thekeylab.co.uk of locksmiths won't be able to help when you only have one working key and the dealer will charge you high prices to replace the computer in your vehicle to create a replacement. We can reset and reprogram the EEEPROM of your computer to get it ready to accept a replacement key without replacing the entire system. This can help you save a significant amount of money. It's more affordable than waiting until you lose the sole key.