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Saab Key Programming

Saab cars produced since 1994 feature an immobilizer system that is based on coded keys. The addition of a key requires a new transponder and special programming. This is usually done by the dealer using a Tech2 diagnostic tool.

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

Transponder key

The transponder key comes with an electronic chip that transmits a signal to the car when it is inserted into the ignition. The car then examines the signal to determine whether it is the same as the one that is in the key. If the signals are the same the car will be able to unlock itself and begin. This is a fantastic way to protect your car from theft.

Transponder keys are an increasingly popular feature for automobiles, but they are not as safe as traditional metal keys. While the metal part of a traditional key can be cut and copied, a transponder is protected by an electronic chip. This chip contains an unique code that is programmed into a car's computer order 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 this if the key fob has a non-modified chip that has been programmed to match the original. In the absence of that, the car will refuse to accept the key and will not start.

It is essential to have a spare Saab ignition key key. This is especially true for those who live in a rural area with many car thieves. The good news is that you can find a new key for your Saab without having to go to a dealer and pay the high costs that they ask. You can have the replacement key on the spot for less than half of what you would pay at an auto dealer.

Wired key

Saab cars typically come with two keys when they are new. If you only have one, it's best to acquire an additional key fob as soon as possible in case you lose it, the car will require a new CIM unit, and the locking cylinders need to be replaced. This can be costly particularly for used cars.

The next step is to connect the row and column wires to the microcontroller. This is the most tedious aspect of the project and will require a lot of soldering. There isn't a standard way to accomplish this, however it is important to think about the way you'll route and solder the rows and columns. There are 22 microcontroller wires and pins to connect for this keyboard. It has 5 rows and 17 columns.

After the rows and column are joined It is now time to connect the key switches. To do this, place a diode over each pin on the key switch and then solder it. This will protect the pins from current and prevent them from getting shorted. The diode allows current to only flow in one direction. It has a visual indicator with a black band that indicates the direction in which current will flow.

Some of the tools offered at auto parts stores -- such as the Autel MaxiIM IM608 Pro and IM508 -- may help shop customers or even DIY customers in certain instances create replacement keys and restore lost immobilizer information, Sanabria says. The tools connect to OBD ports and guide the customer through each step and make the process more straightforward than replacing the vehicle's computer.

Jump-starting the battery

Most people keep a set of jumper cables in their trunk to use in an emergency, but jumping a battery on newer vehicles might not be the best choice. These vehicles are equipped with digital and computer systems that communicate with each other. A voltage spike when a battery is connected to another battery could damage the components and render your vehicle unusable.

Start the vehicle you are using and allow it to run for approximately two minutes before you connect the cables to the battery that is not working. Attach the red clip to the positive terminal of the good battery (it will have "POS" or "+" on it). Attach the other end to a clean and unpainted metal surface under the hood of the disabled car. The engine block is a good option. The black cable should not be connected to the negative terminal of the dead battery. This could create a spark, which would ignite the gasoline that is in the engine compartment.

Once the cables are connected, turn on the disabled vehicle and let it run for about five minutes before you disconnect the cables in reverse order. Be aware that the battery in your Saab 9-3 is charged when you drive, and it can take a while to get the battery back to normal. It's a good idea invest in a spare key fob as soon as you can, because replacing the one that works requires the installation of a brand new computer module and a special program to convince it that your missing keys aren't attempting to steal the car.

replacement key for saab 93 Case

saab 9-3 key fob replacement owners often only have one car key, and if that is lost, they'll be charged. The reason for this is that it's costly to buy a new key, and it requires replacing the CIM (Column Integration Module) or TWICE on older models, plus programming. In the event of theft or other catastrophe it is advisable to have a spare key. Even it's "new" it will not function.

The dealer will charge you the highest dollars if you only have one working key. We can reset and reprogram the computer's EEEPROM in order to get it ready to accept a replacement key without replacing the entire system. This could save you a significant amount of money. It's also cheaper than waiting until you lose your only key.