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Saab Key Programming

Saab cars made since 1994 use an immobilizer system based on a set of keys. A new transponder is required in order to enable the addition of a second key, as well as special programming. This is usually done by the dealer using a Tech2 diagnostic tool.

It can be costly. This is why you should always have a spare key on hand.

Transponder key

The transponder key is a key with an electronic chip that sends a signal to the car when it is put into the ignition. The car then checks the signal to determine whether it is the same as the one on the key. If the signals are in sync, the car will unlock and start. This is a great method to prevent car theft and keep your vehicle secure from thieves.

Transponder keys are a popular feature in vehicles, but you must be aware that they're not as secure as traditional metal keys. The metal part of the traditional key is easily cut and copied, however the transponder is protected by an electronic chip that safeguards it. The chip contains a unique code which is programmed into a car's computer order to identify it.

The car will recognize the Saab keyfob, and allow it to be turned on. But, it's only able to do this if your key fob is unmodified and has a chip that has been programmed to match the original. The car will not start when the key isn't programmed to match.

It is essential to have a spare Saab key. This is especially true especially if you reside in a rural area where there are a lot of car burglars. You can obtain a replacement key for your Saab 9-3 key fob Programming by visiting the dealership without paying expensive costs. You can get a replacement key made on the spot for less than half of what you would pay at a dealership.

Wired key

saab key battery cars typically come with two keys when new. If you have only one, you should get an additional key as soon as you can. This is because if the key is lost, the car will need an entirely new CIM and the locking cylinders replaced. This can be expensive especially for used vehicles.

The next step is connecting the row and columns wires to your microcontroller. This is the most difficult part of the project and requires a significant deal of soldering. There is no standard method to do this, but it is important to think about the way you'll route and solder the columns and rows. There are 22 microcontroller wires and pins to connect for this keyboard. It has five rows and 17 column.

After the rows and column are soldered together, it is time to connect the key switches. Solder a diode on each key switch pin. This will shield the pins on the key switch from current and prevent them from being shorted. A diode allows current to only flow in one direction. It is equipped with a visible indicator that is black, that indicates the direction in which current will flow.

Some of the tools available at auto parts storeslike the Autel MaxiIM IM608 Pro and IM508 -- can help shop customers or even DIY users in some cases replace keys in the program and restore lost immobilizer data, Sanabria says. The tools connect to the OBD port and automatically guide the customer through the process, making it easier than replacing the computer in the vehicle.

Jump-starting the battery

A lot of people keep the set in their trunk to start a car in case of emergency, but this might not be a good idea for newer cars. These cars have a variety of electronic devices and computers that communicate with each other. A voltage surge when batteries are connected to another one could cause damage to the parts and render your vehicle unusable.

Start the vehicle you are using and let it run for saab 9-3 Key fob programming about two minutes before you connect the cables to the disabled one. 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 is an ideal choice. The black cable should not be connected to the negative terminal of the dead battery. This could cause sparks that could ignite the gasoline inside the engine compartment.

Once the cables are connected, you can start the vehicle that has been disabled and let it run for about five minutes before you disconnect them in reverse order. Be aware that the battery in the saab key fob 9-3 gets recharged when you drive, so it will take a while for the battery to come back to normal. You should invest in an additional key fob as soon as possible. The replacement of the one that works requires the installation and programming of a new computer chip.

Replacement Case

Saab owners typically only have one car key, and if that is lost, they will be charged. It's expensive to add keys and will require replacing the CIM or TWICE for older models. It's recommended to have a spare key in case of theft or any other catastrophe and the best option is to buy an extra key as early as you can. However, don't purchase a secondhand key, even the case that it's "new." Keys that are claimed as new from aftermarket sellers will not perform and are almost certain to fail in the crucial moment.

The dealer will charge you the highest dollar if you have only one working key. We can reset and reprogram the EEEPROM of your computer to get it ready to accept a new key without having to replace the entire system. This can save you a significant amount of money. It's much cheaper instead of waiting until you lose the only key.