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Saab Key Programming

Saab cars built since 1994 utilize an immobilizer system that is based on coded keys. In order to add a second key, it requires an entirely new transponder and programming. This is usually handled by the dealer using the Tech2 diagnostic tool.

The problem is that it can be quite costly. This is the reason why you should always have a spare key on hand.

Transponder key

The transponder key is a piece of hardware equipped with an electronic chip. It transmits a signal to the car when it is inserted into the ignition. The car then checks to see whether the signal matches the one on the key. If the signals are in sync it will unlock and begin. This is a great method to stop auto theft and keep your car secure from thieves.

Transponder keys are an extremely popular accessory for cars, but they're not as safe as traditional metal keys. The metal portion of a traditional key can easily be cut and copied, whereas the transponder is protected by an electronic chip that safeguards it. The chip is equipped with an unique code that is programmed into the car's computers to identify it.

The car will recognize the Saab keyfob, and allow it to be turned on. However, it is only able to do this if the fob has an unmodified chip that has been programmed to match the original. If not, the car will reject the key and won't start.

It's essential to ensure that you have a spare key for your saab replacement key for saab 93 key programming (check it out). This is particularly important if you reside in a rural area that is home to numerous car thieves. You can get a brand new key for your Saab by going to the dealership and not paying their high cost. In most cases, you can have an original key made on the spot at a fraction of the cost of what you would pay at the dealer.

Wired key

saab key fob programming cars usually come with two keys when new. If you only have one, it is best to acquire an additional key fob as soon as is possible as if you lose it the car will require the replacement of a CIM unit, and the locking cylinders will have to be replaced. This can be costly particularly if you are purchasing a used vehicle.

The next step is connecting the wires for columns and rows to your microcontroller. This is the most challenging part of the project and will require a good amount of soldering. There's no standard way to do it, but you need to consider how you will route and connect each column and row. For this keyboard, there are 5 rows and 17 columns, so there will be 22 microcontroller wires and pins to connect.

Once the rows and columns are soldered, it's time to connect them to key switches. Solder a diode to each key switch pin. This will shield the pins from current, and prevent them from being shorted. A diode permits current to only flow in one direction. It has a visual indicator, a black band, that shows which way current will flow.

Sanabria states that some of the tools offered in auto parts stores, such as 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 OBD ports and guide the user through each step making the process simpler than replacing the vehicle's computer.

Jump-starting the battery

Most people keep a set of jumper cables in their trunks to use in an emergency, but jumping a battery in newer vehicles may not be the best choice. These cars have a variety of digital and computer systems that communicate with one another. A voltage surge while the battery is connected to another one could damage the components and render your vehicle unable to drive.

Connect the cables to the vehicle that is operating. Allow it to run for two minutes. Attach the red clip to the positive terminal on the battery that is good (it will have "POS" or "+" on it). Attach the other end to a clean and unpainted metal surface underneath the hood of the disabled car. The engine block is an excellent option. Do not connect the black cable to the negative terminal of the dead battery, since this could trigger an ignition source that ignites gasoline in the engine bay.

Once the cables are connected, turn on the vehicle you are not using and let it run for approximately five minutes before you disconnect the cables in reverse order. The battery in your Saab 9-3 is recharged as you drive. It will take a while for it to fall back. It is recommended to purchase another key fob as soon as possible. Replacing the one that works requires the installation and programming of a new computer chip.

replacement saab car keys Case

Many Saab owners only have one key for their car and if they lose it, they'll be charged. It's costly to add keys and will require replacing the CIM or TWICE for older models. It is recommended to have a backup key in the event of theft or other disaster and the most effective way is to purchase an additional key as soon as you are able to. Don't purchase a used key even the case that it's "new." Keys that are claimed-new from sellers selling aftermarket keys won't perform and are almost certain to fail in the crucial moment.

The dealer will charge the highest dollar for only one working key. However, we can reset and re-program your computer's EEPROM to accept an alternative key without replacing the entire system. That can help you save money. It's also much less expensive than waiting until you lose your sole key.