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Saab Key Programming

Saab cars manufactured since 1994 have an immobilizer feature based on coded keys. Adding an extra key requires an entirely new transponder and programming. This is usually done at the dealer with a specialized Tech2 diagnostic tool.

The issue is that it can be extremely expensive. This is why it is important to always keep a spare key in your possession.

Transponder key

The transponder is a type of key equipped with an electronic chip. This chip sends out a signal when the key is inserted in the ignition. The car then examines the signal to see whether it matches the one in the key. If the signals match, the car will unlock and start. This is a great way to stop auto theft and keep your car secure from thieves.

Transponder keys are a favored feature in automobiles, however you should be aware that they aren't as secure as traditional metal keys. The metal component of the traditional key can easily be cut and copied, however a transponder has an electronic chip that protects it. This chip contains an unique code that's programmed into a car's computer in order to identify it.

When a saab replacement keys key fob is used the car recognizes it and allows it to turn on. But, it's only able to do so if the key fob has an unmodified chip that has been programmed to match. In the absence of that, the car will refuse to accept the key and will not start.

It's essential to ensure that you have an extra key for your Saab. This is particularly important for those who live in a rural area that is home to numerous car thieves. The good thing is that you can find a replacement key to your Saab without needing to visit an auto dealership and pay the high costs that they demand. In the majority of instances, you can get a new key made on-the-spot at a fraction of the cost of what you would pay at dealerships.

Wired key

Saab cars are usually provided with two keys. If you have only one, it is best to acquire an additional key fob as quickly as you can as if you lose it, your car will require the replacement of a CIM unit, and the locking cylinders have to be replaced. This can be expensive particularly for used cars.

The next step is to wire the wires of the column and row to the microcontroller. This is the most laborious part of the project, and will require a lot of soldering. There is no standard method to accomplish this, however it is important to think about the route you'll take and solder the columns and rows. For this keyboard, there are five rows and 17 columns, which means there will be 22 microcontroller wires and pins to connect.

Once the rows and columns are soldered, it's the time to connect them to the key switches. Solder a diode to each key switch pin. This will protect the pins that are used for key switches from current and also prevent them from being shorted. A diode can only allow the flow of current to be in one direction, and has a the black band as a visual indicator that shows the direction in which current will flow.

Sanabria says that a few of the tools available in auto parts stores, including the Autel MaxiIM IM608PRO and IM508 will assist customers who are shopping or DIY users to program replacement keys and restore immobilizer data. The tools plug into the OBD port and automatically guide the user through the process, making it more simple than replacing the computer in the vehicle.

Jumpstarting the battery

A lot of people keep a set of jumper cables in their trunks for emergency situations however, jumping a battery in newer cars might not be the best idea. These cars are equipped with a variety of computers and digital devices which communicate with one another. A surge in voltage when a battery is hooked up to another battery could fry these components and render your vehicle unable to drive.

Start the vehicle you are using and allow it to run for approximately two minutes before connecting the cables to the one that is disabled. 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 under the disabled car's hood. The engine block is a good choice. The black cable should not be connected to the negative terminal of the dead battery. This could cause sparks, which could ignite the gasoline inside the engine compartment.

Once the cables are connected, you need to start the vehicle and let it run for approximately five minutes. Then, disconnect the cables in reverse. Be aware that the battery in your Saab 9-3 is recharged when you drive, and it can take a while to get the battery back to its original level. You should consider purchasing another key fob when you can. Replacing the only one that works requires the installation and programming of a new computer chip.

Replacement case

Many Saab owners have only one key for their car and if they lose that key, it will cost them. The reason for this is that it's not cheap to buy a new key, and it requires replacing the CIM (Column Integration Module) or TWICE on older models, and programming. It is best to have a spare key in case of theft or other disaster the best solution is to purchase an additional key as quickly as you can. Don't buy a secondhand key even if it's "new." Keys that are claimed as new from sellers selling aftermarket keys won't perform and are almost certain to fail in the crucial moment.

Most locksmiths aren't able to help with a single working key, and the dealer will charge you high fees how to get a saab replacement key replace the computer in your car to create a replacement. However, we can reset and re-program your computer's EEPROM to accept the new key, without replacing the whole system. This could save you a lot of money. It's also a lot cheaper than waiting until you lose your only key.