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Saab Key Programming

saab key fob programming cars manufactured since 1994 feature an immobilizer system that relies on key codes. To add an additional key, you need a new transponder and special programming. This is usually done by the dealer using the Tech2 diagnostic tool.

The problem is that this can be extremely expensive. Always keep a spare set of keys at hand.

Transponder key

The transponder key is a piece of hardware equipped with an electronic chip. It sends a signal back to the car when it is placed in the ignition. The car then analyzes the signal to determine whether it is identical to the one in the key. If the signals are identical the car will then unlock itself and start. This is a great method to prevent car theft and keep your car safe from thieves.

Transponder keys are a common feature in cars, but you must be aware that they aren't as secure as classic keys made of metal. The metal component of the traditional keys can be easily copied and cut, but a transponder has an electronic chip that safeguards it. This chip contains a unique code that is encoded into the car's system to identify it.

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

It's important to make sure that you have an extra key for your Saab. This is especially important when you live in a rural area with numerous car thieves. You can get a new key for saab Key fob your Saab by going to the dealership without paying pricey cost. You can have an original key made on the spot for less than half the cost you would pay at an auto dealer.

Key for Wired

Saab cars are usually provided with two keys. If you only own one, you should purchase an extra key as soon as you can. This is because if the key is lost and the car needs a new CIM and the locking cylinders replaced. This can be expensive particularly for used cars.

The next step is to connect the wires for columns and row to your microcontroller. This is the most challenging part of the project and will require a large deal of soldering. It's not a standard way to go about it, but you must determine how to route and connect 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 columns and rows are joined after which it is time to connect the key switches. Solder a diode to each key switch pin. This will shield the pins of the key switch from current and prevent them from being shorted. A diode permits current to only flow in only one direction. It has a visual indicator of a black line that shows which way current will flow.

Sanabria says that a few of the tools available in auto parts stores, including the Autel MaxiIM IM608PRO and IM508 are able to assist customers who are shopping or DIY customers to program replacement keys and restore the immobilizer's data. The tools plug into the OBD port and guide the customer through the procedure, making it much easier than replacing the computer inside the vehicle.

Jump-starting the battery

Most people keep a few sets of jumper cables in their trunks for emergency situations, but jumping a battery on modern vehicles might not be the best option. These vehicles are equipped with computers and digital devices which communicate with one another. A voltage spike when a battery is connected to another battery could damage the components making your car unusable.

Start the working vehicle and allow it to run for around two minutes before connecting the cables to the disabled one. Attach the red clip to the positive terminal of the battery that's good. (It will read "POS" or "+".) Attach the other end of the black cable to a clean, unpainted metal surface underneath the disabled car's hood. The engine block would be a good choice. Do not connect the black cable to the negative terminal of the dead battery as it could spark an ignition source that ignites gasoline in the engine bay.

After the cables have been connected, you need to start the vehicle and allow it to run for around five minutes. Then disconnect them in reverse. The battery in your Saab 9-3 is recharged as you drive. It will take some time for it to fall back. It is a good idea to purchase a spare fob as soon as you can, because replacing the only functioning one requires the installation of a new computer module and special programming to convince it that your missing keys aren't trying to steal the car.

Replacement Case

Saab owners typically only have one car key, and if it is lost, they will be charged. The reason is that it's not inexpensive 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 case of theft or any other catastrophe and the best option is to purchase an additional key as quickly as you can. Even if the key is "new" it will not function.

The dealer will charge you the most expensive dollars if you only have one working key. We can, however, reset and re-program the computer's EEPROM in order to prepare it to accept the new key, without replacing the entire system. This can help you save money. It's less expensive than wait until you loose the only key.