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Saab Key Programming

saab 93 key cars manufactured since 1994 feature an immobilizer mechanism based on coded keys. To add an additional key, you need an entirely new transponder and programming. This is usually handled by the dealer using a Tech2 diagnostic tool.

The problem is that this could be very expensive. This is why it is important to always have a spare key at hand.

Transponder key

The transponder is a piece of key with an electronic chip. This chip sends a signal when the key is put into the ignition. The car checks to see if the signal matches the one on the key. If the signals match it will open itself and start. This is an excellent way to safeguard your car from theft.

Transponder keys are a popular feature in vehicles, but you should be aware that they aren't as secure as classic keys made of metal. The metal part of the traditional keys can be easily cut or copied, while transponders have an electronic chip that guards it. The chip has an individual code that is programmed into the car's computer 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 is equipped with a chip that is not modified that has been programmed to match. The car will not start in the event that the key has not been programmed to match.

It is essential to ensure that you have an extra key for your Saab. This is particularly important for those who live in a rural area where there are a lot of car thieves. The good news is that you can find a replacement key to your Saab without needing to visit a dealership and pay the high costs that they demand. In the majority of instances, you can get a new key created on-the-spot for less than half the cost you'd pay at dealerships.

Wired key

Saab cars are usually delivered with two keys. If you only have one, it's best to acquire an additional key fob as quickly as you can in case you lose it the car will require an entirely new CIM unit, and the locking cylinders need to be replaced. This could be expensive especially if you're buying a used car.

The next step is to wire the wires for the column and row to the microcontroller. This is the most tedious component of the project and will require a lot of soldering. There's no standard way to go about it, but you should plan how to connect and solder each column and row. There are 22 microcontroller wires as well as pins to connect for this keyboard. It has five rows and 17 columns.

After the rows and column are soldered together then it's time to connect the key switches. Solder a diode on each key switch pin. This will shield the pins on the key switch from current and keep them from being shorted. A diode allows current to only flow in one direction. It is equipped with a visible indicator with a black band that indicates which direction current will flow.

Some of the tools available at auto parts stores -like the Autel MaxiIM IM608 Pro and IM508 -- can help customers in the shop, or even DIY customers in some cases program replacement keys and restore lost immobilizer data, Sanabria says. The tools connect to the OBD port and guide the customer through the procedure, making it simpler than replacing the computer in the vehicle.

Jump starting the battery

Most people keep an assortment of tools in their trunks to jump-start a car in case of emergency, but it may not be a good idea for vehicles that are newer. These vehicles have many computers and digital devices that communicate with each other. A surge in voltage when a battery is hooked up to another one could damage these components and leave your vehicle unable to drive.

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 to a clear, unpainted metal surface underneath the hood of the affected car. The engine block is a great option. The black cable is not to be connected to the negative terminal of the dead battery. This could cause sparks that could ignite the gasoline inside the engine compartment.

Once the cables are connected, you can begin the car and let it run for approximately five minutes. Then, disconnect them in reverse. The battery in your saab 9-3 key 9-3 will be recharged while you drive. It may take a while it to fall back. It is a good idea to invest in a spare key fob as soon as you can, because replacing the only working one requires the installation of a brand new computer module and special programming to convince it that your lost keys aren't trying to steal the car.

Replacement case

Many Saab owners have only one key for their car and if they lose it, it's going to cost them. The reason is that it's not inexpensive to purchase a new key, and that involves replacing the CIM (Column Integration Module) or TWICE on older models, as well as programming. In the event of theft or other catastrophe, it is best to have an extra key. However, don't purchase a secondhand key, even if it's "new." Keys that are claimed as new from sellers selling aftermarket keys won't work and are likely to fail in the most critical moment.

The dealer will charge the highest dollar for only one working key. We can, however, reset and re-program the computer's EEPROM to accept an alternative key without replacing the whole system. This could save you a significant amount of money. It's less expensive instead of waiting until you loose the only key.