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Saab Key Programming

Saab cars built since 1994 use an immobilizer system that is based on a set of keys. A new transponder is required to allow the addition of a second key, and special programming. This is usually handled by the dealer using the Tech2 diagnostic tool.

The issue is that this could be very costly. Always keep an extra set of keys in your possession.

Transponder key

The transponder is a key with an electronic chip. The chip transmits a signal when the key is placed in the ignition. The car checks to see if the signal matches the one on the key. If both signals match it will open itself and start. This is a great method to deter auto theft and keep your vehicle safe from thieves.

Transponder keys can be a popular addition to cars, but they're not as safe as traditional metal keys. The metal part of the traditional keys can be easily cut and copied, however transponders are protected by an electronic chip that protects it. This chip contains a unique code encoded into the car's system to identify it.

The car will recognize the Saab keyfob and allow it to be turned on. The car can only recognize the key fob if it has a chip that is unmodified and programmed to match. Otherwise, the car will refuse to accept the key and will not start.

It's essential to ensure that you have a spare key for your saab 9-3 key fob replacement. This is particularly important for saab 9-3 key fob replacement those who live in a rural region where there are a lot of car burglars. You can purchase a new key for your saab car key by visiting the dealership without paying their high prices. In most instances, you can get a new key made on-the-spot for less than half the price of what you'd pay at an auto dealer.

Wired key

Saab cars typically come with two keys when they are new. If you own only one, you need to purchase an additional key as fast as you can. This is because if you lose it and the car is damaged, it will require a new CIM and the locking cylinders replaced. This could be expensive especially if you're buying a second-hand car.

The next step is to connect the wires of columns and row to your microcontroller. This is the most difficult part of the project and it will require lots of soldering. It's not a standard way to go about it, however, you should plan how to route and solder each column and row. There are 22 microcontroller pins and wires to connect to this keyboard. It has 5 rows and 17 columns.

After the rows and column are joined then it's time to connect the key switches. Solder a diode on each key switch pin. This will protect the pins of the key switch from current and also prevent them from being shorted. A diode only allows the flow of current to be in one direction, and it comes with a the black band as a visual indicator that indicates the direction in which current will flow.

Sanabria says that a few of the tools offered in auto parts stores, like the Autel MaxiIM IMM608PRO and IM508 will assist customers who are shopping or DIY users to program replacement keys and restore the immobilizer's data. 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

Most people keep a set in their trunk to start a vehicle in the event of an emergency, but it might not be the best idea for newer cars. These vehicles are equipped with digital and computers that communicate with one another. A voltage surge while a battery is hooked up to another could cause damage to these components and leave your vehicle unable to drive.

Start the vehicle that is working 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 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 car. The engine block is a good choice. The black cable is not to be connected to the negative terminal of the dead battery. This could trigger sparks that could ignite gasoline in the engine compartment.

Once the cables are connected, turn on the vehicle you are not using and allow it to run for around five minutes before disconnecting them in reverse order. The battery in the Saab 9-3 will charge while you drive. It may take a while it to recharge again. It's a good idea to purchase a spare fob as soon as you can, because replacing the only working one requires the installation of a brand Saab 9-3 Key Fob Replacement new computer module and a special program to convince it that your missing keys aren't in the process of trying to steal the car.

Replacement Case

saab key fob owners typically only have one car key, and if it is lost, they'll be charged. The reason for this is that it's not cheap to buy a new key, and it involves replacing the CIM (Column Integration Module) or TWICE on older models, plus programming. In the event of theft or any other calamity it is recommended to have a spare key. Even when the key is "new", it will not work.

Most locksmiths cannot help you with a single working key and the dealer will charge you high fees to replace the computer in your vehicle for a replacement. We can reset and reprogram the computer's EEEPROM in order to make it ready to accept a new key without replacing the entire system. This could save you a significant amount of money. It's more affordable than wait until you loose the only key.