The Advanced Guide To Saab Ignition Key Replacement Saab Key Programming

Saab cars made since 1994 feature an immobilizer mechanism based on coded keys. In order to add a second key, it requires the purchase of a new transponder as well as special programming. This is usually handled by the dealer using the Tech2 diagnostic tool.

It can be costly. It is recommended to always have a spare set of keys on hand.

Transponder key

The transponder key is a key equipped with an electronic chip. It transmits a signal to the car when it is put into the ignition. The car checks to see whether the signal is the same as the one on the key. If the signals match then the car will be able to open and start. This is a great way to prevent car theft and keep your car safe from thieves.

Transponder keys may be a popular addition to cars, but they are not as secure as traditional metal keys. The metal part of the traditional key can be easily cut and copied, whereas transponders are protected by an electronic chip which protects it. The chip has a unique code encoded into the car's system to identify it.

When a Saab key fob is used, the car recognizes it and allows it to turn on. The car will only recognize the key fob if it is equipped with an unmodified chip and has been programmed to match. The car won't start when the key isn't programmed to match.

It's crucial to ensure that you have an extra key for your Saab. This is especially important if you live in a rural region where there are a lot of car burglars. The good thing is that you can obtain a replacement key for your Saab without needing to visit a dealer and pay the high costs that they demand. You can get a replacement key created on the spot for less than half the price you'd spend at an auto dealer.

Key for Wired

Saab cars are usually delivered with two keys. If you only have one, it is a good idea to get an extra key fob as soon as you can as if you lose it, your car will require a new CIM unit, and the locking cylinders will need to be replaced. This can be costly particularly for used cars.

The next step is to connect the column and row wires to the microcontroller. This is the most challenging part of the project and will require a great deal of soldering. There isn't a standard method to go about it, but you need to consider how you will route 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 rows and column are joined It is now time to connect the key switches. Solder a diode to each key switch pin. This will protect the pins from current, thus preventing them from getting shorted. The diode allows current to only flow in only one direction. It is equipped with a visible indicator with a black band that shows which way current will flow.

Some of the tools available at auto parts stores -like the Autel MaxiIM IM608 Pro and IM508 -- could aid shop customers or DIY customers in certain instances create replacement keys and restore the lost immobilizer's data, Sanabria says. The tools connect to the OBD port and automatically guide the customer through the process, making it more simple than replacing the computer inside the vehicle.

Jump-starting the battery

The majority of people have a set of jumper cables in their trunks for emergencies, but jumping a battery on modern vehicles may not be the best option. These cars are equipped with a variety of digital and computer systems that communicate with one another. A surge of voltage when the battery is connected another battery could damage the components, rendering your car undriveable.

Start the vehicle that is working and allow it to run for around two minutes before connecting the cables to the battery that is not working. Attach the red clip to the positive terminal on the good battery (it will have "POS" or "+" on it). Attach the other end to a clean and unpainted metal surface underneath the hood of the disabled vehicle. The engine block is a good alternative. The black cable is not to be connected to the negative terminal of the dead battery. This could create sparks, which could ignite the gasoline that is in the engine compartment.

Once the cables are connected, you can start the vehicle and let it run for approximately five minutes. Then disconnect the cables in reverse. Be aware that the battery of the Saab 9-3 will be charged when you drive, and it will take a while for the battery to come back down again. saab fob key replacement 's a good idea buy a spare key fob as soon as you can, because replacing the only functioning one requires the installation of a brand new computer module and a special program to convince the system that your lost keys aren't in the process of trying to steal the car.

Replacement case

Many Saab owners only have one key for their vehicle and if they lose that the cost will be. It's expensive to buy an additional key and it requires replacing the CIM or TWICE for older models. It's best to have a second key in the event of theft or other disaster the best solution is to purchase a second key as early as you can. Even if the key is "new" it will not function.


Most locksmiths aren't able to help when you only have one working key, and the dealer will charge high fees to replace the computer in your vehicle for a replacement. We can reset and reprogram the EEEPROM of your computer for it to accept a new key without having to replace the entire system. This can save you lots of money. It's much cheaper rather than wait until you lose the sole key.