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14 Questions You're Uneasy To Ask Saab Ignition Key Replacement
Saab Key Programming

Saab cars that were built prior to 1994 have an immobilizer system made up of coded keys. A new transponder is required to allow the addition of an extra key, and special programming. This is usually handled by the dealer using a Tech2 diagnostic tool.

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

Transponder key

The transponder is a key with an electronic chip. The chip sends a signal when the key is placed into the ignition. The car will check to see whether the signal matches the one on the key. If the signals are the same the car will then unlock itself and begin. This is a great method to guard your car against theft.

Transponder keys are a common feature in automobiles, but it is important to know that they aren't as secure as classic keys made of metal. While the metal component of a traditional key could be cut and copied the transponder is protected by an electronic chip. The chip contains a unique code which is programmed into a car's computer in order to identify it.


The car will recognize the Saab keyfob, and allow it to turn on. However, it can only do this if the fob has a non-modified chip that has been programmed to match. Otherwise, the car would reject the key and won't start.

It is essential to have a spare Saab key. This is particularly important if you live in a rural region where there are a lot of car burglars. You can get a new key for your Saab by visiting the dealership without paying high prices. In the majority of instances, you can get a new key made on-the-spot for less than half the price of what you'd pay at dealerships.

Wired key

Saab cars are usually provided with two keys. If you only own one, it is recommended to get an additional key as fast as you can. This is because, if it's lost and the car is damaged, it will require an entirely new CIM and the locking cylinders replaced. This can be costly particularly if you are purchasing a used vehicle.

The next step is connecting the wires for columns and row to your microcontroller. This is the most laborious aspect of the project and will require lots of soldering. There's no standard way to do it, however, you should plan how to connect and solder each column and row. There are 22 microcontroller wires and pins to connect for this keyboard. It has five rows and 17 column.

After the columns and rows are joined after which it is time to connect the key switches. Solder a diode to each key switch pin. This will protect the pins from current, and prevent them from getting shorted. A diode allows the current to flow in a single direction, and it also has a an indicator in black that shows the direction in which current will flow.

Sanabria states that some of the tools that are sold in auto parts stores, such as the Autel MaxiIM IM608PRO and the IM508 will assist shoppers or DIY users to program replacement keys and restore the immobilizer's data. The tools plug into the OBD port and guide the customer through the process, making it easier than replacing the computer in the vehicle.

Jumpstarting the battery

Most people keep a few sets of jumper cables in their trunks for emergency situations however, jumping a battery on modern cars might not be the best option. saab key replacement near me are equipped with a variety of computers and digital devices which communicate with each other. A surge in voltage when the battery is connected to another battery could fry these components, rendering your vehicle unable to drive.

Connect the cables to the vehicle working. Allow it to run for two minutes. Attach the red clip to the positive terminal of the good battery (it will have "POS" or "+" on it). Attach the other end to a clear, unpainted metal surface under the hood of the damaged vehicle. The engine block is an excellent choice. The black cable is not to be connected to the negative terminal of the dead battery. This could result in a spark, which would ignite gasoline in the engine compartment.

Once the cables are connected, you should start the vehicle and allow it to run for around five minutes. Then disconnect the cables in reverse. The battery in the Saab 9-3 will charge as you drive. It may take a while it to recharge again. It's a good idea to purchase a spare key fob as soon as you can, because replacing the sole working one requires the installation of a brand new computer module and a special program to convince the system that your lost keys are not trying to steal the car.

Replacement Case

Saab owners often only have one car key, and if it is lost, they will be charged. It's costly to add the key and also requires replacing the CIM or TWICE for older models. In the event of theft, or any other catastrophe it is advisable to have a spare key. Don't purchase a used key even when it's "new." Keys that are claimed to be new from a second-hand store will not be effective and are almost guaranteed to fail at the critical moment.

Most locksmiths cannot help you with a single working key, and the dealer will charge for the cost of replacing the computer in your vehicle to make a new replacement. We can reset and reprogram the computer's EEEPROM in order to be able to accept a replacement key without having to replace the entire system. This can save you a significant amount of money. It's also less expensive than waiting until you lose your sole key.

Homepage: https://www.thekeylab.co.uk/saab-car-keys/