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Saab Key Programming

Saab cars produced since 1994 utilize an immobilizer that relies on coded keys. Adding an extra key requires an entirely new transponder and programming. This is usually done by the dealer using a Tech2 diagnostic tool.

This can be expensive. It is recommended to always have an extra set of keys available.

Transponder key

The transponder is a key that has an electronic chip. The chip transmits a signal when the key is put into the ignition. The car will check to see if the signal matches the one on the key. If both signals match the car will then unlock itself and start. This is a great way to stop car theft and keep your car secure from thieves.

Transponder keys are a common feature in vehicles, but you must be aware that they are not as secure as traditional keys made of metal. While the metal component of a conventional key can be cut and copied, a transponder is protected by an electronic chip. The chip is a unique code that's programmed into a car's computer in order to identify it.

When a saab 93 replacement key key fob is used the car recognizes it and allows it to turn on. But, it's only able to do this if the fob is equipped with a chip that is not modified that has been programmed to match it. The car will not start in the event that the key has not been programmed to match.

It is important to have a spare Saab key. This is especially true for those who live in a rural area where there are a lot of car thieves. You can get a new key for your Saab by visiting the dealership, without having to pay their pricey prices. In most instances, you can get a brand new key made right on the spot at a fraction of the cost of what you'd pay at a dealer.

Key for Wired

Saab cars are typically delivered with two keys. If you have only one, it is a good idea to get an extra key fob as soon as possible, because if you lose it, the car will require a new CIM unit and the locking cylinders need to be replaced. This could be expensive particularly if you are buying a second-hand car.

The next step is connecting the row and columns wires to your microcontroller. This is the most difficult part of the project and requires a significant amount of soldering. There isn't a standard method to go about it, but you should consider how you will connect and solder each column and row. There are 22 microcontroller pins and wires to connect for this keyboard. It includes 5 rows and 17 columns.

After the columns and rows are soldered together then it's time to connect the key switches. Solder a diode on each key switch pin. This will protect the pins from current and prevent them from being cut off. A diode permits current to only flow in only one direction. It features a visual indicator, a black band, that shows the direction in which the current will flow.

Some of the tools available at auto parts stores -like the Autel MaxiIM IM608 PRO and IM508 -- may aid shop customers or DIY users in some cases program replacement keys and restore lost immobilizer information, Sanabria says. The tools plug into the OBD port and guide the customer through the procedure, making it simpler than replacing the computer inside the vehicle.

Jumpstarting the battery

A lot of people keep a set of jumper cables in their trunks to use in an emergency, but jumping a battery for newer automobiles might not be the best choice. These vehicles are equipped with electronic devices and computers that communicate with one another. A voltage surge when batteries are connected to another can fry the components making your car unusable.

Connect the cables to the vehicle that is working. Let it run for two minutes. Attach the red clip on the positive terminal of the battery that's good. (It will say "POS" or "+".) Attach the other end to a clean unpainted metal surface under the hood of the disabled vehicle. The engine block is an excellent choice. Don't connect the black cable to the negative terminal of the dead battery because this could cause an ignition source that ignites gasoline in the engine bay.

Once the cables are connected, you can begin the car and let it run for approximately five minutes. Then disconnect the cables in reverse. The battery in your Saab 9-3 is recharged while you drive. It takes a while for it to recharge again. You should purchase a second key fob, as soon as possible. Replacing the one that works requires the installation and programming of a brand new computer chip.

Replacement Case

Many saab 93 key owners only have one key for their vehicle and if they lose that it's going to cost them. The reason for this is that it's not cheap to buy a new key, and it involves 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 other disaster, and the best way is to buy an extra key as quickly as you can. However, don't purchase a secondhand key even if it's "new." Keys that are claimed to be new from sellers selling aftermarket keys won't perform and are almost certain to fail at the critical moment.

The dealer will charge the highest dollars if you only have one working key. We can reset and reprogram the computer's EEEPROM for it to accept a replacement saab 9-3 Key key without the need to replace the entire system. This can save you a significant amount of money. It's also cheaper than waiting until you lose the only key.