Saab Key Programming

Saab cars built since about 1994 have an immobilizer system based on coded keys. Adding an extra key 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 an extra set of keys available.

Transponder key

The transponder can be described as a key that has an electronic chip. The chip transmits a signal when the key is put into the ignition. The car then examines the signal to determine if it matches that of the key. If the signals match, the car will unlock itself and begin. This is an excellent way to guard your car against theft.

Transponder keys are an increasingly popular feature in automobiles, but you should be aware that they aren't as secure as traditional keys made of metal. The metal component of a traditional key is easily cut or copied, while transponders are protected by an electronic chip that guards it. This chip contains an individual code that is encoded into the car's system to identify it.

The car will recognize the Saab keyfob and permit it to be turned on. The car will only recognize the key fob if the device has an unmodified chip and has been programmed to match. The car won't start when the key isn't programmed to match.

It is vital to have a spare saab 93 replacement key key. This is especially important for those who live in a rural area, where there are a lot of car burglars. The good news is that you can get a replacement saab 9-3 key key for your Saab without needing to visit a dealership and pay the hefty prices they ask. In the majority of instances, you can get a new key created on-the-spot at a fraction of the cost of what you'd pay at a dealer.

Wired key

saab 9-3 key fob programming cars typically come with two keys when they are new. If you have only one, it is recommended to get an additional key as fast as you can. This is because if the key is lost and the car needs an entirely new CIM and the locking cylinders replaced. This can be costly, especially for used cars.

The next step is connecting the row and columns wires to your microcontroller. This is the most difficult part of the project and will require a good amount of soldering. There's no standard way to do it, but you should plan how to route and connect each column and row. There are 22 microcontroller wires and pins that you can connect for this keyboard. It has 5 rows and 17 columns.

After the columns and rows are soldered, it's the time to connect them to key switches. To do this, place a diode on each pin of the key switch and solder it. This will protect the pins from current, preventing them from being shortened. A diode only allows the flow of current to be in one direction, and it also has a an indicator in black that indicates the direction in which current will flow.

Sanabria states that some of the tools available in auto parts stores, including the Autel MaxiIM IM608PRO or IM508, can help shoppers or DIY customers to program replacement keys and restore the immobilizer's data. The tools connect to OBD ports and guide the user through each step, making the process easier than replacing the car's computer.

Jump-starting the battery

The majority of people have an assortment of tools in their trunk to jump start a vehicle in an emergency, but it may not be a good option for vehicles with newer technology. These vehicles have many digital and computer systems that communicate with one another. A surge of voltage when batteries are connected to another battery could damage the components making your car unusable.

Connect the cables to the vehicle that is working. Let it run for two minutes. Attach the red clip on the positive terminal of the good battery. (It will say "POS" or "+".) Attach the other end to a clear, unpainted metal surface beneath the hood of the affected car. The engine block is an excellent option. Don't connect the black cable to the negative terminal on the dead battery, since it could spark an ignition source that ignites gasoline in the engine bay.

After the cables have been connected, you can start the vehicle and let it run about five minutes. Then disconnect them in reverse. The battery in the Saab 9-3 will charge while you drive. It will take a while for it to drop back down. You should invest in an additional key fob as soon as you can. 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 that is lost, they will 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, as well as programming. It is recommended to have a backup key in case of theft or any other catastrophe, and the best way is to buy an extra key as quickly as you can. Don't purchase a used key, even it's "new." Keys that are claimed-new from sellers selling aftermarket keys won't work and are almost guaranteed to fail at the critical moment.

Most locksmiths can't help you in the event that you only have one working key, and the dealer will charge high fees to replace the computer in your car to create a replacement. However, we can reset and re-program your computer's EEPROM to accept the new key without having to replace the whole system. That can help you save money. It's more affordable than wait until you lose your only key.