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saab 9-3 key programming key programming (check over here)

Saab cars built since about 1994 have an immobilizer feature that is based on codes for keys. Adding an extra key requires the purchase of a new transponder as well as special programming. This is usually handled by the dealer using a Tech2 diagnostic tool.

The issue is that this could be very costly. This is the reason why you should always keep a spare key in your possession.

Transponder key

The transponder is a type of key that has an electronic chip. The chip transmits a signal when the key is put in the ignition. The car will check to see whether the signal matches the one on the key. If the signals are identical the car will be able to unlock itself and begin. This is a great way to prevent auto theft and keep your vehicle safe from thieves.

Transponder keys can be an extremely popular accessory for cars, but they're not as secure as traditional metal keys. While the metal portion of a traditional key can be cut and copied however, a transponder is secured by an electronic chip. The chip contains a unique code that is inserted into a car's computers in order to identify it.

When a Saab key fob is used, the car recognizes it and allows it to turn on. However, it can only do so if the key fob has a non-modified chip that has been programmed to match it. Otherwise, the car will reject the key and won't start.

It is important to have an extra Saab key. This is particularly important especially if you live in a rural region that has many car thieves. The good part is that you can find a replacement key to your Saab without having to go to a dealer and pay the hefty prices that they demand. You can get an original key made on the spot at a fraction of what you would spend at a dealership.

Wired key

saab 93 key replacement cars typically come with two keys when they are new. If you only have one, it's recommended to purchase an extra key fob as soon as you can, because if you lose it, your car will require a new CIM unit, and the locking cylinders have to be replaced. This can be costly especially if buying a second-hand car.

The next step is connecting the wires of columns and row to your microcontroller. This is the most difficult part of the project and will require a large deal of soldering. It's not a common way to do it, but you need to determine how to open a saab 93 without a key to route and connect each column and row. There are 22 microcontroller wires as well as pins to connect for this keyboard. It has 5 rows and 17 column.

Once the rows and columns are soldered, it's time to connect them to key switches. Solder a diode on each key switch pin. This will shield the pins on the key switch from current and prevent them from being shorted. A diode lets current only flow in only one direction. It has a visual indicator, a black band, that shows which way current will flow.

A few of the tools that are available at auto parts storeslike the Autel MaxiIM IM608 Pro and IM508 -- can aid shop customers or DIY customers in certain cases create replacement keys and restore the lost saab key immobilizer's data, Sanabria says. The tools connect to the OBD port and automatically guide the customer through the procedure, making it much easier than replacing the computer in the vehicle.

Jump starting the battery

The majority of people have a set in their trunks to start a car in an emergency, but it might not be a good idea for newer cars. These cars are equipped with a variety of electronic devices and computers that communicate with one another. A surge in voltage when a battery is connected to another can fry the components making your car inoperable.

Start the vehicle that is working and allow it to run for around two minutes before you connect the cables to the battery that is not working. Attach the red clip to the positive terminal on the battery that is good (it will have "POS" or "+" on it). Attach the other end of the black cable to a clean, unpainted metal surface under the disabled car's hood. The engine block would be a good choice. Do not connect the black cable to the negative terminal on the dead battery, since it could ignite an ignition that ignites the gasoline in the engine bay.

After the cables have been connected, you should start the vehicle and let it run for approximately five minutes. Then disconnect the cables in reverse. The battery in your saab key fob replacement 9-3 will recharge as you drive. It takes a while for it to recharge again. You should invest in another key fob as soon as possible. The replacement of the one that works requires the installation and programming of a new computer chip.

Replacement Case

Many Saab owners have only one key for their vehicle and if they lose that they'll be charged. The reason for this is that it's expensive to add a new key, and it requires replacing the CIM (Column Integration Module) or TWICE on older models, in addition to programming. In the event of theft, or any other disaster it is recommended to have an extra key. But don't buy a used key even when it's "new." Claimed-new keys from sellers selling aftermarket keys won't perform and are almost certain to fail in the crucial moment.

Most locksmiths cannot help you if you have only one working key, and the dealer will charge high prices to replace the computer in your vehicle for a replacement. We can reset and reprogram the computer's EEEPROM in order to get it ready to accept a replacement key without the need to replace the entire system. This could save you a significant amount of money. It's also a lot cheaper than waiting until you lose the only key.