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Saab Key Programming

saab 9 3 key replacement cars built since about 1994 have an immobilizer system made up of coded keys. Adding an extra key requires the purchase of a new transponder as well as special programming. This is usually handled by the dealer using a Tech2 diagnostic tool.

The problem is that this could be quite costly. This is why you should always have a spare key on hand.

Transponder key

The transponder keys are keys with an electronic chip that transmits a signal to the car when it is placed in the ignition. The car then checks to see if the signal matches the one on the key. If the signals are in sync it will open and start. This is a great method to prevent car theft and keep your vehicle secure from thieves.

Transponder keys can be a popular addition to automobiles, but they are not as secure as traditional metal keys. While the metal parts of a conventional key can be cut and copied but a transponder key is protected by an electronic chip. This chip contains an unique code that is encoded into the car's system to identify it.

The car will recognize the saab Key replacement Bristol keyfob, and allow it to be turned on. But, it's only able to do so if the key fob is unmodified and has a chip that has been programmed to match it. In the absence of that, the car will reject the key and won't start.

It's important to make sure that you have a spare key for your Saab. This is especially true when you live in a rural area that is home to numerous car thieves. The good news is that you can find a new key for your saab ignition key without having to go to a dealership and pay the high prices that they demand. In most cases, you can have an original key made on the spot for less than half the cost of what you'd pay at an auto dealer.

Wired key

saab key programmer cars are usually supplied with two keys. If you have only one, you should get an additional key as fast as you can. This is because if it's lost and the car needs a new CIM and the locking cylinders replaced. This can be costly, especially for used cars.

The next step is to wire the column and row wires to the microcontroller. This is the most laborious aspect of the project and will require a lot of soldering. It's not a standard way to go about it, but you must determine how to connect and solder each column and row. For this keyboard, there are five 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 the key switches. To do this, put an inverter over each pin of the key switch and then solder it. This will protect the pins from current, and prevent them from being shorted. A diode can only allow the flow of current to be in one direction, and it has a black band visual indicator that indicates which way the current will flow.

Some of the tools available at auto parts stores -- such as the Autel MaxiIM IM608 Pro and IM508 -- could help shop customers or even DIY customers in some cases create replacement keys and restore the lost immobilizer's data, Sanabria says. The tools connect to the OBD port and guide the customer through the procedure, making it much easier than replacing the computer inside the vehicle.

Jump starting the battery

Most people keep a few sets of jumper cables in their trunks to use in an emergency, but jumping a battery in newer vehicles might not be the best idea. They have numerous electronic devices and computers that communicate with each other. A voltage surge while the battery is connected to another could cause damage to the components and render your car unable to drive.

Start the working vehicle and allow it to run for approximately two minutes before connecting the cables to the disabled one. Attach the red clip to the positive terminal of the good battery (it will have "POS" or "+" on it). Attach the other end to a clean, unpainted metal surface beneath the hood of your disabled car. The engine block is a great choice. The black cable is not to be connected to the negative terminal of the dead battery. This could create sparks, which would ignite the gasoline inside the engine compartment.

Once the cables are connected, you need to begin the car and let it run for approximately five minutes. Then, disconnect the cables in reverse. The battery in your Saab 9-3 is recharged as you drive. It will take some time for it to fall back. It's a good idea to purchase a spare fob as soon as you can, since replacing the one that works requires the installation of a new computer module and special programming to convince the system that your lost keys aren't trying to steal the car.

Replacement case

Saab owners often only have one car key, and if it is lost, they will be charged. The reason for this is that it's not cheap to purchase a new key, and it involves replacing the CIM (Column Integration Module) or TWICE on older models, plus programming. It is recommended to have a second key in case of theft or other disaster and the best option is to purchase an additional key as soon as you are able to. Even even if the key is "new", it won't work.

The dealer will charge the highest dollar for only one working key. We can, however, reset and re-program your computer's EEPROM in order to prepare it to accept the new key without having to replace the whole system. This could save you a significant amount of money. It's also a lot cheaper than waiting until you lose the only key.