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Saab Key Programming

Saab cars made since 1994 utilize an immobilizer system that relies on key codes. To add an additional key, you need the purchase of a new transponder as well as special programming. This is usually done by the dealer with a specialized Tech2 diagnostic tool.

The issue is that this can be quite costly. This is why it is important to always have a spare key on hand.

Transponder key

The transponder is a type of key that has an electronic chip. The chip sends a signal when the key is put in the ignition. The car will check to see whether the signal matches with the one on the key. If both signals match the car will then unlock itself and begin. This is a great method to protect your vehicle from theft.

Transponder keys can be a popular addition to automobiles, but they are not as safe as traditional metal keys. The metal component of the traditional keys can be easily copied and cut, but transponders have an electronic chip that safeguards it. The chip is equipped with a unique code 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. The car will only recognize the key fob if the device has an unmodified chip and has been programmed to match. Otherwise, the car will refuse to accept the key and will not start.

It is vital to have an extra saab car keys key. This is particularly true for those who live in a rural area that is home to many car thieves. The good news is that it's possible to find a replacement key to your Saab without needing to visit an auto dealership and pay the hefty prices that they demand. In the majority of cases, you can have a brand new key made right on the spot for less than half the cost of what you'd pay at a dealer.

Key for Wired

Saab cars usually come with two keys when new. If you have only one, it is recommended to purchase an additional key fob as soon as possible as if you lose it, the car will require a new 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 for the column and row to the microcontroller. This is the most laborious component of the project and will require a lot of soldering. It's not a common way to go about it, however, you should consider How To Get A Saab Replacement Key (H3D.Org) you will route and solder each column and row. For this keyboard, there are five rows and 17 columns, so there will be 22 microcontroller pins and wires to connect.

After the rows and column are soldered together after which it is time to connect the key switches. To do this you must place a diode over each key switch pin and solder it. This will protect the pins from current, thus preventing them from being cut off. The diode will only allow current to flow in one direction, and has a an indicator of black color that indicates the direction current will flow.

A few of the tools that are available at auto parts storeslike the Autel MaxiIM IM608 PRO and IM508 -- may help customers in the shop, or even DIY customers in certain cases create replacement saab key keys and restore lost immobilizer data Sanabria says. The tools connect to the OBD port and guide the customer through the process, making it more simple than replacing the computer inside the vehicle.

Jump-starting the battery

Most people keep a set of jumper cables in their trunks for emergency situations, but jumping a battery on modern vehicles may not be the best idea. These cars have a variety of computers and digital devices that communicate with each other. A surge in voltage when the battery is connected to another one could damage the components and render your vehicle unable to drive.

Start the vehicle that is working and allow it to run for approximately two minutes before connecting the cables to the battery that is not working. Attach the red clip on the positive terminal of the battery that is good. (It will read "POS" or "+".) Attach the other end to a clean and unpainted metal surface underneath the hood of your disabled car. The engine block is a great alternative. Don't connect the black cable to the negative terminal of 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 car and let it run for approximately five minutes. Then, disconnect the cables in reverse. Be aware that the battery of your Saab 9-3 is charged during your drive, which means it can take a while for the battery to go back to normal. You should purchase an additional key fob as soon as possible. Replacing the one that works requires the installation and programming of a new computer chip.

Replacement case

Many Saab owners only have one key for their vehicle and if they lose it, they'll be charged. It's expensive to add a key and requires replacing the CIM or TWICE for older models. It is best to have a spare key in case of theft or any other catastrophe the best solution is to buy an extra key as soon as you are able to. Even even if the key is "new", it will not function.

The dealer will charge the highest dollars if you only have one working key. However, we can reset and re-program your computer's EEPROM to accept an alternative key without replacing the entire system. This can save you lots of money. It's less expensive instead of waiting until you lose the only key.