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saab 9-3 replacement key Key Programming

Saab cars made since 1994 come with an immobilizer system made up of coded keys. The addition of a key requires the purchase of a new transponder as well as special programming. This is usually done by the dealer using the Tech2 diagnostic tool.

This can be expensive. This is why you should always have a spare key available.

Transponder key

The transponder is a type of key that is equipped with an electronic chip. This chip sends a signal when the key is placed into the ignition. The car will check to see whether the signal is the same as the one on the key. If the signals are in sync the car will then open and start. This is a great method to stop auto theft and keep your car safe from thieves.

Transponder keys are a popular addition to automobiles, but they are not as secure as traditional keys made of metal. The metal part of the traditional key can be easily cut and copied, however the transponder is protected by an electronic chip that guards it. This chip contains an unique code that is 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 programmed to match. The car won't start in the event that the key is not programmed to match.

It is crucial to have an extra Saab key. This is particularly true for those who live in a rural area that is home to many car thieves. The good news is that it's possible to find a replacement key to your Saab without needing to visit a dealer and pay the expensive prices they ask. You can get the replacement key on the spot at a fraction of what you would pay at a dealership.

Wired key

Saab cars are typically delivered with two keys. If you only have one, it is recommended to purchase an extra key fob as soon as is possible, because if you lose it, your car will require the replacement of a CIM unit, and the locking cylinders need to be replaced. This could be expensive particularly if you are purchasing a used vehicle.

The next step is to connect the column and row wires to the microcontroller. This is the most difficult aspect of the project and will require lots of soldering. There's no standard way to accomplish this, but it is crucial to plan the way you'll route and solder the columns and rows. There are 22 microcontroller wires and pins that you can connect for this keyboard. It has 5 rows and 17 column.

Once the rows and columns are soldered, it's time to connect them to key switches. Solder a diode on each key switch pin. This will shield the pins of the key switch from current and prevent them from being shorted. A diode can only allow the current to flow in a single direction, and has a the black band as a visual indicator that indicates the direction current will flow.

Sanabria says that a few of the tools offered in auto parts stores, like the Autel MaxiIM IM608PRO or IM508 will assist shoppers or DIY customers to program replacement keys and restore data from the immobilizer. The tools connect to OBD ports and guide the user through each step making the process simpler than replacing the vehicle's computer.

Jump-starting the battery

Most people keep a few sets of jumper cables in their trunks for emergencies, but jumping a battery on modern vehicles might not be the best choice. These vehicles have many digital and electronic devices that communicate with one another. A surge of voltage when the battery is connected to another can fry the components, rendering your car key duplication Service undriveable.

Start the vehicle you are using and allow it to run for around two minutes before connecting the cables to the non-working one. Attach the red clip on the positive terminal of the battery that is good. (It will read "POS" or "+".) Attach the other end of the black cable to an unpainted, clean metal surface beneath the damaged vehicle's hood. An engine block is an excellent choice. Do not connect the black cable to the negative terminal of the dead battery as it could ignite an ignition source that ignites gasoline in the engine bay.

Once the cables are connected, you can start the car and allow it to run for around five minutes. Then, disconnect the cables in reverse. Be aware that the battery in your Saab 9-3 is recharged during your drive, which means it will take a while for the battery to come back down again. You should invest in another key fob as soon as you can. Replacing the original one that works requires the installation and programming of a new computer chip.

Replacement Case

Many saab replacement keys uk owners only have one key for their car and if they lose that the cost will be. It's expensive to buy a key and requires replacing the CIM or TWICE in the case of older models. In the event of theft, or any other catastrophe, it is best to have a spare key. Don't purchase a used key, even it's "new." Keys that are claimed to be new purchased from third-party sellers won't work and are likely to fail in the crucial moment.

Most locksmiths can't help you in the event that you only have one working key, and the dealer will charge you high fees to replace the computer in your car to make a new replacement. We can reset and reprogram the computer's EEEPROM in order to be able to accept a new key without the need to replace the entire system. This could save you lots of money. It's more affordable instead of waiting until you lose your only key.