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saab keys Key Programming

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

This can be expensive. This is why you should always keep a spare key in your possession.

Transponder key

The transponder key is a piece of hardware equipped with an electronic chip. It sends a signal to car when it is inserted into the ignition. The car will then check the signal to see whether it is identical to the one in the key. If the signals are the same it will open itself and begin. This is a great way to prevent auto theft and keep your vehicle secure from thieves.

Transponder keys are a popular feature in automobiles, but you should be aware they are not as secure as traditional metal keys. The metal part of the traditional keys can be easily cut or copied, while transponders are protected by an electronic chip that guards it. This chip contains a unique code that is programmed into the car's computers to identify it.

When a Saab key fob is used the car recognizes it and allows it to turn on. However, it can only do this if the fob has an unmodified chip that has been programmed to match. In the absence of that, the car will refuse to accept the key and will not start.

It's crucial to ensure that you have an extra key for your saab key code. This is especially important if you live in a rural location where there are a lot of 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 high prices that they ask. You can have the replacement key on the spot for less than half of the price you'd spend at a dealership.

Wired key

Saab cars usually come with two keys when new. If you have only one, it is recommended to purchase an additional key fob as quickly as you can as if you lose it the car will require an entirely new CIM unit and the locking cylinders will have to be replaced. This can be expensive especially for used vehicles.

The next step is to connect the wires of the column and row to the microcontroller. This is the most challenging part of the project and will require a large amount of soldering. There isn't a standard method to go about it, but you need to think about how to route and solder each column and row. For this keyboard, there are 5 rows and 17 columns, which means there will be 22 microcontroller pins and wires to connect.

After the columns and rows are soldered, it's the time to connect them to key switches. Solder a diode on each key switch pin. This will protect the pins from current, preventing them from being cut off. A diode only allows current to flow in one direction, and has a an indicator of black color that indicates which way the current will flow.

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

Jumpstarting the battery

The majority of people have an item in their trunks to jump-start their vehicle in an emergency, but it might not be a good idea for vehicles that are newer. These vehicles are equipped with numerous digital and computer systems that communicate with each other. A surge in voltage when the battery is connected another battery could damage the components making your car inoperable.

Connect the cables to the vehicle working. Let it run for two minutes. Attach the red clip to the positive terminal of the battery that is good. (It will read "POS" or "+".) Attach the other end of the black cable to a clean, unpainted metal surface underneath the vehicle's hood. An engine block is a good option. 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 car and let it run for about five minutes. Then disconnect the cables in reverse. Remember that the battery on the Saab 9-3 will be charged during your drive, which means it could take a while for the battery to come back down again. It's a good idea invest in a spare key fob as soon as you can, since replacing the only functioning one requires the installation of a new computer module and a special program to convince the system that your lost keys aren't trying to steal the car.

Replacement case

Saab owners often only have one car key, and if it is lost, they will be charged. The reason is that it's costly to add a new key, and it requires replacing the CIM (Column Integration Module) or TWICE on older models, plus programming. In the event of theft or any other calamity it is advisable to have an extra 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 vehicle to make a new replacement saab car keys. However, we can reset and reprogram the computer's EEPROM to accept the new key, without replacing the entire system. This can save you a great deal of money. It's cheaper to do this instead of waiting until you lose the sole key.