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saab 93 key fob key programming (relevant website)

Saab cars manufactured from 1994 have an immobilizer system that is based on a set of keys. In order to add a second key, it requires a new transponder, as well as special programming. This is usually handled by the dealer using the Tech2 diagnostic tool.

It can be costly. This is why it is important to always have a spare key at hand.

Transponder key

The transponder is a piece of key that is equipped with an electronic chip. The chip transmits a signal when the key is inserted in the ignition. The car is able to check whether the signal is the same as the one on the key. If the signals are the same the car will be able to unlock itself and begin. This is an excellent way to protect your vehicle from theft.

Transponder keys may be a popular addition to automobiles, but they are not as safe as traditional keys made of metal. While the metal part of a conventional key can be cut and copied, a transponder is protected by an electronic chip. The chip contains a unique code which is programmed into the car's computer in order to identify it.

When a saab ignition key replacement key fob is used the car recognizes it and allows it to turn on. The car will only recognize the key fob if the device has an unmodified chip and programmed to match. If not, the car will refuse to accept the key and will not start.

It is vital to have an extra Saab key. This is especially important when you live in a rural location that has numerous car thieves. You can obtain a replacement key for your saab ignition key by going to the dealership without paying expensive costs. You can get a replacement key made on the spot for less than half of the cost you would pay at an auto dealer.

Wired key

Saab cars typically come with two keys upon purchase. If you only have one, it is best to acquire an extra key fob as soon as possible in case you lose it, your car will require the replacement of a CIM unit and the locking cylinders will have to be replaced. This can be costly, especially 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 difficult part of the project and will require a great deal of soldering. There isn't a standard way to do this, but it is essential to determine how you will route and solder the columns and rows. For this keyboard, there are five rows and 17 columns. This means there will be 22 microcontroller wires and pins that you need to connect.

After the columns and rows are joined after which it is time to connect the key switches. Solder a diode on each key switch pin. This will protect the pins from current, thus preventing them from being shorted. A diode allows the flow of current to be in one direction, and has a an indicator in black that indicates the direction current will flow.

Some of the tools offered at auto parts stores -like the Autel MaxiIM IM608 PRO and IM508 -- may assist customers at the shop or DIY customers in some cases program replacement keys and restore the lost immobilizer's data, Sanabria says. The tools plug into OBD ports and help the customer through each step, making the process easier than replacing the vehicle's computer.

Jump starting the battery

A lot of people keep a set of jumper cables in their trunk in case of emergency, but jumping a battery in newer vehicles may not be the most efficient option. These vehicles are equipped with many digital and Saab Key Programming computer systems that communicate with one another. A surge in voltage when batteries are connected to another can fry the components making your car unusable.

Connect the cables to the vehicle that is operating. Let it run for two minutes. Attach the red clip to the positive terminal of the good battery. (It will say "POS" or "+".) Attach the other end to a clean, unpainted metal surface under the hood of the disabled vehicle. The engine block is an excellent choice. The black cable is not to be connected to the negative terminal of the dead battery. This could result in sparks, which would ignite the gasoline that is in the engine compartment.

Once the cables are connected, turn on the vehicle that is disabled and let it run for about five minutes before disconnecting the cables in reverse order. Remember that the battery on your saab car key 9-3 is recharged when you drive, and it could take a while to get the battery down. You should invest in another key fob as soon as possible. The replacement of the one that works requires the installation and programming of a brand new computer chip.

Replacement Case

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

Most locksmiths aren't able to help with a single working key and the dealer will charge top dollar to replace the computer in your vehicle to make a replacement. We can reset and reprogram the computer's EEEPROM for it to accept a replacement key without replacing the entire system. This can save you a significant amount of money. It's also much less expensive than waiting until you lose your one key.