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Saab Key Programming

saab Spare Key [439aq1m.com] cars built since about 1994 have an immobilizer feature made up of coded keys. A new transponder is required in order to enable the addition of a second key, and special programming. This is usually handled by the dealer using a Tech2 diagnostic tool.

It can be costly. It is always advisable to keep an extra set of keys in your possession.

Transponder key

The transponder keys are keys equipped with an electronic chip. It transmits a signal to the car when it is placed in the ignition. The car will check to see if the signal matches the one on the key. If the signals match the car will then unlock and start. This is a great method to stop car theft and keep your car secure from thieves.

Transponder keys can be an increasingly popular feature for automobiles, but they are not as safe as traditional metal keys. The metal component of a traditional keys can be easily copied and cut, but transponders have an electronic chip that guards it. The chip has a unique code that is inserted into a car's computer in order to identify it.

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

It is vital to have a spare saab 9-3 key programming key. This is especially important for those who live in a rural location where there are a lot of car burglars. The good thing is that you can find a replacement key to your Saab without having to go to an auto dealer and pay the expensive prices that they ask. In most instances, you can get an original key made on the spot for less than half the cost of what you'd pay at dealerships.

Wired key

Saab cars are usually supplied with two keys. If you only have one, you need to purchase an additional key as quickly as you can. This is because if you lose it, the car will need a new CIM and the locking cylinders replaced. This can be costly especially if purchasing a used car.

The next step is connecting the wires of columns and row to your microcontroller. This is the toughest part of the project and it will require lots of soldering. It's not a common way to go about it, but you need to determine how to program saab 9-3 key fob to route and solder each column and row. There are 22 microcontroller pins and wires to connect to this keyboard. It has five rows and 17 column.

After the rows and column are joined It is now time to connect the key switches. Solder a diode on each key switch pin. This will shield the pins from current and prevent them from being shortened. A diode allows the flow of current to be in one direction, and has a the black band as a visual indicator that indicates the direction current will flow.

Sanabria says that a few of the tools that are sold in auto parts stores, including the Autel MaxiIM IMM608PRO and IM508, can help customers shopping or DIY users to program replacement keys and restore immobilizer data. The tools connect to OBD ports and guide the user through each step making the process simpler than replacing the car's computer.

Jump-starting the battery

Most people keep a set in their trunks to jump-start their vehicle in an emergency, but it might not be a good idea for newer cars. They have numerous computers and digital devices that communicate with one another. A surge in voltage when a battery is connected to another could cause damage to the components making your car unusable.

Start the vehicle you are using and let it run for about two minutes before you connect the cables to the battery that is not working. Attach the red clip to the positive terminal on the good battery (it will have "POS" or "+" on it). Attach the other end of the black cable to an unpainted, clean metal surface beneath the damaged car's hood. The engine block would be a good choice. The black cable is not to be connected to the negative terminal of the dead battery. This could create a spark, which would ignite gasoline in the engine compartment.

After the cables have been connected, you can start the vehicle and let it run for about 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 drop back down. It is a good idea to invest in a spare key fob as soon as you can, because replacing the one that works requires the installation of a new computer module and special programming to convince it that your lost keys aren't trying to steal the car.

Replacement case

saab 9-5 key replacement owners often only have one car key, and if that is lost, they'll be charged. The reason is that it's costly to add a new key, and it requires replacing the CIM (Column Integration Module) or TWICE on older models, as well as programming. It's best to have a second key in the event of theft or other disaster and the most effective way is to buy an extra key as soon as you are able to. Even it's "new", it will not work.

The dealer will charge you the highest dollar for only one working key. We can reset and reprogram the EEEPROM of your computer to make it ready to accept a new key without having to replace the entire system. This could save you a lot of money. It's less expensive instead of waiting until you lose the only key.