Saab Key Programming

saab key fob replacement cars built since 1994 utilize an immobilizer that relies on a set of keys. A new transponder is required for addition of an extra key, and special programming. This is usually done by the dealer using a Tech2 diagnostic tool.

This can be expensive. This is why it is important to always keep a spare key in your possession.

Transponder key

The transponder is a piece of key with an electronic chip. The chip sends a signal when the key is put into the ignition. The car is able to check if the signal matches the one on the key. If the signals are identical, the car will unlock itself and start. This is a great method to prevent auto theft and keep your vehicle secure from thieves.

Transponder keys are an increasingly popular feature for cars, but they are not as safe as traditional keys made of metal. While the metal component of a traditional key can be cut and copied however, a transponder is secured by an electronic chip. The chip contains a unique code which is programmed into a car's computers in order to identify it.

The car will recognize the saab fob key replacement keyfob, and allow it to turn on. However, it will only 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 is crucial to have an extra Saab key. This is especially true especially if you live in a rural area with numerous car thieves. The good part is that you can find a replacement key to your Saab without needing to visit an auto dealer and pay the high prices that they charge. In most cases, you can have a new key made on-the-spot at a fraction of the cost you'd pay at the dealer.

Key for Wired

Saab cars usually come with two keys when new. If you have only one, it is a good idea to get an additional 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 need to be 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 good deal of soldering. There is no standardized way to accomplish this, however it's important to plan out how you will route and solder the rows and columns. There are 22 microcontroller wires and pins that you can connect for this keyboard. It has five rows and 17 columns.

After the rows and column are joined then it's time to connect the key switches. Solder a diode on each key switch pin. This will protect the pins on the key switch from current and also prevent them from being shorted. A diode permits current to only flow in one direction. It features a visual indicator that is black, that indicates the direction in which current will flow.

Some of the tools available at auto parts storeslike the Autel MaxiIM IM608 PRO and IM508 -- may assist customers at the shop or DIY customers in certain instances replace keys in the program and restore the lost immobilizer's data, Sanabria says. The tools connect to OBD ports and guide the customer through each step, making the process easier than replacing the car key duplication cost's computer.

Jump-starting the battery

A lot of people keep an assortment of tools in their trunk to jump start a car in an emergency, but it might not be the best option for vehicles with newer technology. These vehicles are equipped with numerous digital and computers that communicate with each other. A voltage spike when the battery is connected to another could cause damage to these components and render your vehicle undriveable.

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 to the positive terminal on the good battery (it will have "POS" or "+" on it). Attach the other end to a clean, unpainted metal surface under the hood of your disabled car. The engine block is a good alternative. The black cable should not be connected to the negative terminal of the dead battery. This could trigger sparks, which could ignite the gasoline that is in the engine compartment.

Once the cables are connected, you can start the disabled vehicle and let it run for about five minutes before disconnecting the cables in reverse order. Keep in mind that the battery on your Saab 9-3 is charged during your drive, which means it may take some time to get the battery down. You should consider purchasing an additional key fob as soon as you can. The replacement of the one that works requires the installation and programming of a new computer chip.

Replacement Case

Many saab key code owners have only one key for their vehicle and if they lose that the cost will be. It's expensive to purchase 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 a spare key. Even when the key is "new", it won't work.

Most locksmiths can't help you if you have only one working key and the dealer will charge you high prices to replace the computer in your vehicle for a replacement. We can reset and reprogram the EEEPROM of your computer for it to accept a replacement key without replacing the entire system. This could save you a lot of money. It's also a lot cheaper than waiting until you lose your one key.