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How To Make An Amazing Instagram Video About Saab Ignition Key Replacement
Saab Key Programming

Saab cars made since 1994 feature an immobilizer mechanism that is based on codes for keys. A new transponder is required to allow 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 the reason why you should always have a spare key available.

Transponder key

The transponder is a type of key that has an electronic chip. This chip sends out a signal when the key is placed in the ignition. The car will check to see whether the signal matches the one on the key. If the signals match then the car will be able to unlock and begin. This is a great method to safeguard your car from theft.

Transponder keys are an increasingly popular feature in automobiles, however you should be aware that they aren't as secure as traditional keys made of metal. While the metal parts of a traditional key may be cut and copied the transponder is protected by an electronic chip. This chip has an individual code that is embedded into the car's computer 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 is equipped with a chip that is unmodified and has been programmed to match. Otherwise, the car would reject the key and won't start.

It's crucial to ensure that you have an extra key for your Saab. This is especially true for those who live in a rural area that is home to numerous car thieves. The good news is that you can get a replacement key for your Saab without having to go to a dealer and pay the high costs that they demand. You can get the replacement key on the spot for less than half of what you would pay at an auto dealer.

Wired key

Saab cars are usually provided with two keys. If you have only one, it's an ideal idea to purchase an extra key fob as soon as you can as if you lose it the car will require a new CIM unit and the locking cylinders will have to be replaced. This can be costly, especially if you are buying a used car.

The next step is connecting the wires for columns and row to your microcontroller. This is the most laborious part of the project, and will require lots of soldering. It's not a standard way to do it, but you need to determine how to connect and solder each column and row. For this keyboard, there are 5 rows and 17 columns. So there will be 22 microcontroller wires and pins to connect.

After the columns and rows are soldered, it's the time to connect them to the key switches. Solder Related Site on each key switch pin. This will protect the pins on the key switch from current and keep them from being shorted. A diode allows the current to flow in a single direction, and has a an indicator in black that shows the direction in which current will flow.

Some of the tools offered at auto parts stores -- such as the Autel MaxiIM IM608 Pro and IM508 -- can aid shop customers or DIY users in some cases replace keys in the program and restore lost immobilizer data Sanabria says. The tools plug into OBD ports and help the customer through each step and make the process more straightforward than replacing the car's computer.

Jumpstarting the battery

A majority of people keep the set in their trunks to jump-start a car in case of emergency, but it might not be a good idea for newer cars. These vehicles are equipped with a number of electronic devices and computers that communicate with one another. A voltage spike when a battery is hooked up to another could cause damage to these components and render your vehicle undriveable.

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

Once the cables are connected, start the vehicle you are not using and let it run for approximately five minutes before disconnecting the cables in reverse order. Keep in mind that the battery on the Saab 9-3 gets recharged when you drive, so it may take some time to get the battery down. It is recommended to purchase a second key fob, as soon as you can. Replacing the original one that works requires the installation and programming of a brand new computer chip.

Replacement case

Saab owners usually have only one car key, and if that is lost, they'll be charged. The reason is that it's expensive to buy a new key, and it requires replacing the CIM (Column Integration Module) or TWICE on older models, plus programming. In the event of theft or any other calamity it is advisable to have an extra key. But don't buy a used key even when it's "new." Keys that are claimed to be new from a second-hand store will not perform and are almost certain to fail in the crucial moment.

The majority of locksmiths won't be able to help in the event that you only have one working key, and the dealer will charge high prices to replace the computer in your car to make a new replacement. We can reset and reprogram the computer's EEEPROM in order for it to accept a new key without the need to replace the entire system. This can save you a significant amount of money. It's also less expensive than waiting until you lose the only key.