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saab 9-3 key fob replacement Key Programming

Saab cars manufactured since 1994 come with an immobilizer system built on 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 Tech2 diagnostic tool.

This can be expensive. This is why you should always keep a spare key 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 put into the ignition. The car then analyzes the signal to determine whether it matches the one in the key. If the signals are the same it will open itself and start. This is a great way to stop auto theft and keep your car safe from thieves.

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

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

It is essential to ensure that you have a spare key for your Saab. This is especially important when you live in a rural area, where there are a lot of car burglars. You can get a brand new key for your Saab by visiting the dealership without paying pricey cost. You can have the replacement key on the spot for less than half the cost you would pay at a dealership.

Wired key

saab key fob programming cars usually come with two keys upon purchase. If you only have one, it's an ideal idea to purchase an additional key fob as soon as you can as if you lose it, the car will require the replacement of a CIM unit and the locking cylinders have to be replaced. This can be expensive particularly for used cars.

The next step is to wire the row and column wires to the microcontroller. This is the most tedious part of the project and it will require lots of soldering. It's not a standard way to do it, however, you should determine how to connect and solder each column and row. There are 22 microcontroller wires as well as pins to connect to this keyboard. It has five rows and 17 column.

After the columns and rows are joined It is now time to connect the key switches. To do this, put a diode on each pin of the key switch and then solder it. This will shield the pins from current, preventing them from being shortened. A diode can only allow current to flow in one direction, and has a an indicator in black that indicates the direction in which current will flow.

Some of the tools available at auto parts stores -like the Autel MaxiIM IM608 Pro and IM508 -- can help customers in the shop, or even DIY customers in certain cases program replacement keys and restore lost immobilizer data, Sanabria says. The tools plug into the OBD port and automatically guide the user through the procedure, making it simpler than replacing the computer in the vehicle.

Jump-starting the battery

Most people keep an assortment of tools in their trunk to jump-start a car in case of emergency, but it may not be the best idea for cars with more modern technology. These vehicles are equipped with many computers and digital devices which communicate with one another. A voltage surge while the battery is connected to another could cause damage to the components and render your car unable to drive.

Connect the cables to the vehicle operating. Let it run for two minutes. Attach the red clip to the positive terminal of the battery that is good. (It will read "POS" or "+".) Attach the other end of the black cable to a clean, unpainted metal surface beneath the damaged car's hood. The engine block would be an excellent choice. Don't connect the black cable to the negative terminal of the dead battery as it could spark a spark that ignites the gasoline in the engine bay.

After the cables have been connected, you need to start the vehicle and let it run about five minutes. Then, disconnect them in reverse. The battery in your Saab 9-3 will recharge while you drive. It takes a while for it to fall back. You should consider purchasing an additional key fob when you can. Replacing the original one that works requires the installation and programming of a new computer chip.

Replacement Case

Many saab key programmer owners only have one key for their car and if they lose it, they'll be charged. The reason for this 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, and programming. In the event of theft, or any other catastrophe it is best to have a spare key. Don't purchase a used key even if it's "new." Claimed-new keys from a second-hand store will not perform and are almost certain to fail in the most critical moment.

The majority of locksmiths won't be able to help when you only have one working key and the dealer will charge you high prices to replace the computer in your car for a replacement. We can reset and reprogram the computer's EEEPROM for it to accept a new key without the need to replace the entire system. This can help you save money. It's more affordable than wait until you lose your only key.