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saab key battery replacement Key Programming

saab key programmer cars made since 1994 feature an immobilizer mechanism made up of coded keys. Adding an extra key requires the purchase of a new transponder as well as special programming. This is usually done at the dealer using a special Tech2 diagnostic tool.

It can be costly. You should always keep a spare set of keys available.

Transponder key

The transponder can be described as a key that has an electronic chip. This chip sends out a signal when the key is placed in the ignition. The car checks to see if the signal matches the one on the key. If the signals are identical the car will be able to unlock itself and begin. This is a great way to prevent car theft and keep your vehicle secure from thieves.

Transponder keys can be an increasingly popular feature for cars, but they're not as secure as traditional metal keys. The metal component of a traditional key can be easily cut and copied, whereas transponders have an electronic chip that safeguards it. The chip contains a unique code that is programmed into a car's computer in order to identify it.

The car will recognize the Saab keyfob and allow it to be turned on. The car can only recognize the key fob if it has a chip that is unmodified and has been programmed to match. The car won't start in the event that the key is not programmed to match.

It is important to have a spare saab ignition key (read the article) key. This is especially true especially if you live in a rural region that has numerous car thieves. The good thing is that you can find a new key for your Saab without having to go to a dealer and pay the hefty prices they ask. You can get an original key made on the spot for less than half of the cost you would spend at a dealership.

Wired key

Saab cars are typically delivered with two keys. If you only own one, you should get an additional key as fast as you can. This is because if the key is lost and the car is damaged, it will require a new CIM and the locking cylinders replaced. This could be expensive particularly if you are buying a second-hand car.

The next step is to connect the wires for the column and row 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, however, you should consider how to open a saab 93 without a key you will route and solder each column and row. For this keyboard, there are 5 rows and 17 columns. This means there will be 22 microcontroller wires and pins to connect.

After the rows and column are joined, it is time to connect the key switches. Solder a diode to each key switch pin. This will shield the pins from current, and prevent them from being shortened. The diode allows current to only flow in only one direction. It comes with a visual indicator that is black, that shows which way current will flow.

Some of the tools available at auto parts stores -like the Autel MaxiIM IM608 Pro and IM508 -- can assist customers at the shop or DIY customers in some cases create replacement keys and restore lost immobilizer data, Sanabria says. The tools plug into the OBD port and guide the user through the process, making it more simple than replacing the computer inside the vehicle.

Jumpstarting the battery

Most people keep a few sets of jumper cables in their trunk in case of emergency however, jumping a battery for newer cars might not be the best idea. These vehicles are equipped with computers and digital devices which communicate with each other. A surge in voltage when the battery is connected to another one could damage the components and render your vehicle unable to drive.

Start the vehicle that is working and allow it to run for approximately two minutes before connecting the cables to the non-working one. Attach the red clip on the positive terminal of the battery that's good. (It will say "POS" or "+".) Attach the other end of the black cable to an unpainted, clean metal surface under the disabled car's hood. The engine block would be an excellent choice. Do not connect the black cable to the negative terminal on the dead battery as this could trigger a spark that ignites the gasoline in the engine bay.

Once the cables are connected, start the vehicle you are not using and allow it to run for around five minutes before disconnecting them in reverse order. Keep in mind that the battery on your saab key fob repair 9-3 is charged when you drive, so it could take a while to get the battery back to normal. It is a good idea to purchase a spare key fob as soon as you can, since replacing the only working one requires the installation of a brand new computer module and special programming to convince the system that your lost keys aren't attempting 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. It's expensive to purchase an additional key and it requires replacing the CIM or TWICE for older models. In the event of theft or any other calamity it is advisable to have a spare key. Even when the key is "new", it will not work.

The dealer will charge you top dollar if you have only one working key. We can reset and reprogram the computer's EEEPROM in order to make it ready to accept a new key without the need to replace the entire system. That can save you a lot of money. It's also cheaper than waiting until you lose your sole key.