What Will Saab Ignition Key Replacement Be Like In 100 Years? Saab Key Programming

Saab cars that were built prior to 1994 have an immobilizer feature based on coded keys. A new transponder is required to allow the addition of an additional key, as well as special programming. This is usually handled by the dealer using a Tech2 diagnostic tool.

This can be expensive. It is always advisable to keep a spare set of keys available.

Transponder key

The transponder is a type of key equipped with an electronic chip. This chip sends out a signal when the key is inserted in the ignition. The car then checks to see whether the signal is the same as the one on the key. If the signals match, the car will unlock itself and begin. This is an excellent way to safeguard your car from theft.

Transponder keys are a common feature in vehicles, but it is important to know that they are not as secure as classic keys made of metal. While the metal parts of a traditional key may be cut and copied however, a transponder is secured by an electronic chip. The chip has a unique code which is programmed into the car's computer in order to identify it.

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


It's essential to ensure that you have an extra key for your Saab. This is especially true when you live in a rural location that has numerous car thieves. You can obtain a replacement key for your Saab by visiting the dealership without paying high prices. In the majority of instances, you can get a brand new key made right on the spot for less than half the price of what you would pay at dealerships.

Key for Wired

Saab cars usually come with two keys upon purchase. If you have only one, it's best to acquire an extra key fob as soon as is possible in case you lose it, the car will require the replacement of a CIM unit and the locking cylinders will have to be replaced. This can be expensive, especially for used cars.

The next step is to wire the wires for the column and row to the microcontroller. This is the most tedious part of the project, and it will require lots of soldering. There isn't saab 93 key to do it, however, you should think about how to route 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 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 only one direction. It comes with a visual indicator of a black line that indicates which direction current will flow.

Some of the tools you can find at auto parts storeslike the Autel MaxiIM IM608 PRO and IM508 -- could aid shop customers or DIY customers in certain cases programme replacement keys and recover lost immobilizer data, Sanabria says. The tools connect to OBD ports and help the customer through each step which makes the process much easier than replacing the vehicle's computer.

Jump starting the battery

Most people keep a set of jumper cables in their trunk for emergency situations however, jumping a battery on modern vehicles may not be the most efficient option. These vehicles are equipped with many digital and computer systems that communicate with each other. A voltage spike when the battery is connected to another battery could damage the components, rendering your car undriveable.

Connect the cables to the vehicle that is operating. Let it run for two minutes. 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 underneath the hood of the damaged vehicle. 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 create sparks, which would ignite the gasoline inside the engine compartment.

Once the cables are connected, you can start the vehicle and let it run about five minutes. Then, disconnect the cables in reverse. Be aware that the battery of the Saab 9-3 gets recharged when you drive, and it can take a while for the battery to go back to its original level. You should purchase an additional key fob as soon as possible. Replacing the one that works requires the installation and programming of a brand new computer chip.

Replacement Case

Saab owners often only have one car key, and if it is lost, they will be charged. The reason for this is that it's not cheap to purchase a new key, and it requires replacing the CIM (Column Integration Module) or TWICE on older models, as well as programming. In the event of theft or other catastrophe, it is best to have a spare key. Even if the key is "new", it will not work.

Most locksmiths aren't able to help with a single working key, and the dealer will charge for the cost of replacing the computer in your car to make a replacement. We can reset and reprogram the computer's EEEPROM to make it ready to accept a new key without having to replace the entire system. This can help you save a significant amount of money. It's also a lot cheaper than waiting until you lose the only key.