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Saab Key Programming

saab replacement key cars built since 1994 utilize an immobilizer 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 a Tech2 diagnostic tool.

The problem is that this can be extremely expensive. It is recommended to always have a spare set of keys at hand.

Transponder key

The transponder key is a piece of hardware 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 are identical, the car will unlock itself and begin. This is a great method to deter car theft and keep your car secure from thieves.

Transponder keys are a common feature in cars, but you should be aware they're not as secure as classic keys made of metal. While the metal parts of a traditional key can be cut and copied however, a transponder is secured by an electronic chip. This chip contains an unique code that is programmed into the car's computers 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 it is equipped with a chip that is unmodified and programmed to match. Otherwise, the car will reject the key and refuse to start.

It's essential to ensure that you have an extra key for your Saab. This is especially important if you live in a rural area where there are numerous car thieves. You can get a brand new key for your Saab by visiting the dealership and not paying their high prices. You can have a replacement key made on the spot for less than half the cost you would spend at the dealership.

Wired key

saab key replacement near me cars usually come with two keys when new. If you have only one, it's best to acquire an extra key fob as soon as you can, because if you lose it, the car will require the replacement of a CIM unit, and the locking cylinders will have to be replaced. This could be expensive particularly if you are buying a used car.

The next step is to connect the column and row wires to the microcontroller. This is the toughest part of the project and will require lots of soldering. It's not a common way to do it, but you must plan how to connect and solder each column and row. For this keyboard, there are 5 rows and 17 columns, so there will be 22 microcontroller pins and wires to connect.

Once the rows and columns are soldered, it's the time to connect them to key switches. To do this you must place an inverter over each pin of the key switch and then solder it. This will protect the pins that are used for key switches from current and stop them from being shorted. A diode lets current only flow in only one direction. It features a visual indicator that is black, that shows the direction in which the current will flow.

Sanabria states that some of the tools offered in auto parts stores, like the Autel MaxiIM IM608PRO or IM508 can assist shoppers or DIY customers to program replacement keys and restore immobilizer data. The tools connect to OBD ports and help the customer through each step, making the process easier than replacing the vehicle's computer.

Jumpstarting the battery

A lot of people keep an assortment of tools in their trunks to jump start a car in case of emergency, but this might not be the best option for vehicles with newer technology. These cars have a variety of electronic devices and computers that communicate with each other. A surge in voltage when batteries are connected to another could cause damage to the components making your car inoperable.

Start the vehicle you are using 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 say "POS" or "+".) Attach the other end of the black cable to a clean, unpainted metal surface beneath the damaged car's hood. The engine block is a good option. Don't connect the black cable to the negative terminal on the dead battery, since this could trigger an ignition spark that ignites the gasoline in the engine bay.

Once the cables are connected, you should start the vehicle and let it run for about five minutes. Then, disconnect the cables in reverse. The battery in your saab car key replacement 9-3 will be recharged while you drive. It will take a while for it to fall back. It's a good idea to purchase a spare key fob as soon as you can, since replacing the only functioning one requires the installation of a new computer module and a special program to convince it that your lost keys are not trying to steal the car.

Replacement case

Many saab key programmer owners only have one key for their vehicle and if they lose it, they'll be charged. The reason for this is that it's expensive to add a new key, and it requires replacing the CIM (Column Integration Module) or TWICE on older models, in addition to programming. In the event of theft, or any other disaster it is advisable to have an extra key. Don't purchase a used key even if it's "new." Keys that are claimed to be new from sellers selling aftermarket keys won't be effective and are almost guaranteed to fail at the critical moment.

The dealer will charge you the highest dollars if you only have one working key. We can, however, reset and reprogram the computer's EEPROM in order to prepare it to accept an alternative key without replacing the entire system. This could save you lots of money. It's more affordable than waiting until you loose the only key.