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saab car keys Key Programming

Saab cars built since about 1994 have an immobilizer system that is based on codes for keys. Adding an extra key requires a new transponder, as well as special programming. This is usually handled by the dealer using a Tech2 diagnostic tool.

It can be costly. It is recommended to always have a spare set of keys on hand.

Transponder key

The transponder key is a key with an electronic chip that sends a signal to car when it is inserted into the ignition. The car checks to see if the signal matches the one on the key. If the signals match it will unlock and begin. This is a great way to stop auto theft and keep your vehicle safe from thieves.

Transponder keys are a popular addition to cars, but they're not as safe as traditional keys made of metal. The metal component of a traditional key can easily be cut and copied, whereas a transponder has an electronic chip that safeguards it. This chip has an unique code that is 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. But, it's only able to do this if the key fob has an unmodified chip that has been programmed to match the original. The car will not start if the key is not programmed to match.

It's important to make sure that you have a spare key for your Saab. This is especially true if you live in a rural region where there are numerous car thieves. The good part is that you can get a replacement key for your saab ignition key replacement without needing to visit a dealership and pay the high prices that they demand. You can get the replacement key on the spot for less than half of the cost you would pay at an auto dealer.

Key for Wired

saab 93 key replacement cars typically come with two keys when they are new. If you own only one, you should purchase an additional key as quickly as you can. This is because if you lose it 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 column and row wires to the microcontroller. This is the most tedious part of the project, and it will require lots of soldering. There isn't a standard method to go about it, but you should plan how to route and solder each column and row. There are 22 microcontroller wires and pins that you can connect for this keyboard. It has five rows and 17 column.

After the rows and column are joined after which it is time to connect the key switches. Solder a diode on each key switch pin. This will shield the key switch pins from current and keep them from being shorted. The diode allows current to only flow in only one direction. It has a visual indicator of a black line that shows which way current will flow.

Some of the tools available at auto parts stores -- such as the Autel MaxiIM IM608 PRO and IM508 -- can aid shop customers or DIY customers in certain instances create replacement keys and restore the lost immobilizer's data, Sanabria says. The tools connect to OBD ports and help the customer through each step, making the process easier than replacing the car's computer.

Jumpstarting the battery

A lot of people keep a set of jumper cables in their trunk in case of emergency however, jumping a battery in newer vehicles might not be the most efficient option. These vehicles are equipped with numerous digital and computer systems that communicate with one another. A voltage spike when a battery is hooked up to another battery could fry these components and leave your car undriveable.

Connect the cables to the vehicle that is working. Let it run for two minutes. 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 an unpainted, clean metal surface beneath the damaged car's hood. The engine block would be an excellent choice. 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 inside the engine compartment.

Once the cables are connected the vehicle that has been disabled and let it run for about five minutes before you disconnect them in reverse order. Be aware that the battery in your saab car key 9-3 is charged while you drive, so it will take a while for the battery to come back down again. It's a good idea buy a spare key fob as soon as you can, because replacing the only working 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 93 replacement key owners often only have one car key, and if it is lost, they will be charged. It's costly to add the key and also requires replacing the CIM or TWICE for older models. In the event of theft or other catastrophe, it is best to have an extra key. Don't purchase a used key even it's "new." Keys that are claimed as new purchased from third-party sellers won't perform and are almost certain to fail at the critical moment.

The dealer will charge you the highest dollar if you have only one working key. We can reset and reprogram the computer's EEEPROM in order to be able to accept a new key without having to replace the entire system. That can help you save money. It's much cheaper than waiting until you loose the only key.