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Saab Key Programming

saab 9 3 key replacement cars built since 1994 use an immobilizer that relies on a set of keys. A new transponder is required to allow the inclusion of an additional key, and special programming. This is usually handled by the dealer using a Tech2 diagnostic tool.

The issue is that this could be extremely expensive. This is why it is important to always have a spare key available.

Transponder key

The transponder key comes with an electronic chip that sends a signal to car when it is inserted into ignition. The car then analyzes the signal to determine whether it is identical to the one in the key. If the signals are the same the car will be able to unlock itself and start. This is an excellent way to safeguard your car from theft.

Transponder keys are a favored feature in vehicles, but it is important to know that they aren't as secure as traditional metal keys. While the metal part of a traditional key could be cut and copied however, a transponder is secured by an electronic chip. This chip contains a unique code that is programmed into the car's computer to identify it.

The car will recognize the saab ignition key keyfob, and allow it to turn on. The car will only recognize the key fob if it has an unmodified chip and has been programmed to match. The car will not start when the key isn't programmed to match.

It's essential to ensure that you have an extra key for your Saab. This is especially important for those who live in a rural area where there are numerous car thieves. You can obtain a replacement key for your Saab by going to the dealership without paying high costs. In most instances, you can get an original key made on the spot for less than half the cost you would pay at an auto dealer.

Key for Wired

Saab cars are usually delivered with two keys. If you only have one, it's recommended to purchase an extra key fob as soon as is possible as if you lose it the car will require an entirely new CIM unit and the locking cylinders have to be replaced. This could be expensive particularly if you are purchasing a used vehicle.

The next step is to connect the row and column wires to the microcontroller. This is the most challenging part of the project and will require a large amount of soldering. There isn't a standard method to go about it, but you must think about how to route and connect each column and row. For this keyboard, there are 5 rows and 17 columns, which means there will be 22 microcontroller pins and wires to connect.

After the rows and column are joined It is now time to connect the key switches. To do this you must place a diode across each pin on the key switch and solder it. This will protect the pins from current, thus preventing them from being cut off. A diode only allows the flow of current to be in one direction, and it also has a a black band visual indicator that indicates which way the current will flow.

Sanabria states that some of the tools offered in auto parts stores, like the Autel MaxiIM IM608PRO or IM508 are able to assist customers shopping or DIY users to program replacement keys and restore immobilizer data. The tools connect to the OBD port and automatically guide the customer through the process, making it easier than replacing the computer in the vehicle.

Jump-starting the battery

A majority of people keep a set in their trunks to start a car in case of emergency, however it might not be a good idea for cars with more modern technology. They have numerous digital and computer systems that communicate with one another. A voltage spike when batteries are connected to another battery could damage the components making your car unusable.

Connect the cables to the vehicle operating. Let it run for two minutes. 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 beneath the hood of the affected car. The engine block is a great 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 in the engine compartment.

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

Replacement Case

Many Saab owners have only one key for their vehicle and if they lose that they'll be charged. The reason for this is that it's expensive to add a new key, and that involves replacing the CIM (Column Integration Module) or TWICE on older models, and programming. In the event of theft or any other disaster it is advisable to have an extra key. Even it's "new" it won't work.

The dealer will charge you top dollar if you have only one working key. We can reset and reprogram the computer's EEEPROM for it to accept a replacement key without having to replace the entire system. This could help you save money. It's also cheaper than waiting until you lose your only key.