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Saab Key Programming

Saab cars made since 1994 feature an immobilizer that relies on coded keys. A new transponder is required for the addition of a second key, as well as special programming. This is usually done at the dealer using a Tech2 diagnostic tool.

The issue is that this can be quite costly. This is the reason why you should always have a spare key available.

Transponder key

The transponder key is a key equipped with an electronic chip. It sends a signal back to the car when it is inserted into the ignition. The car checks to see whether the signal matches the one on the key. If both signals match the car will be able to unlock itself and begin. This is a great way to avoid car theft and keep your vehicle safe from thieves.

Transponder keys are a popular feature in automobiles, but it is important to know that they're not as secure as traditional keys made of metal. While the metal part of a conventional key can be cut and copied but a transponder key is protected by an electronic chip. The chip contains a unique code that is programmed into a car's computers in order to identify it.

The car will recognize the saab 9-3 key fob programming keyfob, and allow it to be turned on. The car can only recognize the key fob if the device has a chip that is unmodified and programmed to match. The car will not start in the event that the key is not programmed to match.

It is essential to ensure that you have a spare key for your Saab. This is especially true for those who live in a rural area, where there are many car thieves. You can get a new key for your Saab by visiting the dealership and not paying their high prices. In most instances, you can get a new key made on-the-spot for less than half the cost of what you would pay at an auto dealer.

Key for Wired

Saab cars usually come with two keys when they're new. If you only have one, you need to purchase an additional key as fast as you can. This is because if the key is lost, the car will need an entirely new CIM and the locking cylinders replaced. This can be costly especially for used vehicles.

The next step is to connect the row and column wires to the microcontroller. This is the most laborious part of the project and it will require a lot of soldering. It's not a standard way to go about it, but you must consider how you will connect and solder each column and row. There are 22 microcontroller pins and wires to connect to this keyboard. It has 5 rows and 17 column.

After the rows and column are soldered together after which it is time to connect the key switches. To do this, put a diode on each key switch pin and solder it. This will protect the pins from current, and prevent them from being shortened. A diode permits current to only flow in only one direction. It is equipped with a visible indicator, a black band, that shows the direction in which the current will flow.

Sanabria says that some of the tools that are sold in auto parts stores, including the Autel MaxiIM IM608PRO and IM508, can help shoppers or DIY users to program replacement keys and restore immobilizer data. The tools plug into the OBD port and guide the customer through the process, making it easier than replacing the computer in the vehicle.

Jumpstarting the battery

Most people keep a set in their trunk to jump start a vehicle in an emergency, but it may not be the best option for vehicles with newer technology. These vehicles are equipped with a number of digital and computer systems that communicate with each other. A voltage surge while the battery is connected to another battery could fry 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 an unpainted, clean metal surface underneath the car's hood. The engine block would be a good choice. Don't connect the black cable to the negative terminal of the dead battery, as it could spark a spark that ignites the gasoline in the engine bay.

Once the cables are connected, start the vehicle you are not using and let it run for about five minutes before disconnecting the cables in reverse order. Be aware that the battery in the saab 9-3 replacement key 9-3 will be charged when you drive, so it will take a while to get the battery back to normal. It is a good idea to buy a spare key fob as soon as you can, because replacing the sole working one requires the installation of a brand new computer module and a special program to convince it that your lost keys aren't in the process of trying to steal the car.

Replacement case

Many saab 93 replacement key owners have only one key for their car and if they lose it, the cost will be. The reason is that it's not cheap to replace a key, and it requires replacing the CIM (Column Integration Module) or TWICE on older models, plus programming. It is best to have a second key in the event of theft or other disaster, and the best way is to purchase an extra key as early as you can. Even if the key is "new", it will not work.

The dealer will charge you the highest dollars if you only have one working key. However, we can reset and re-program your computer's EEPROM to prepare it to accept the new key without having to replace the entire system. This can save you a great deal of money. It's cheaper to do this than waiting until you lose the sole key.