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saab ignition key replacement (she said) Key Programming

Saab cars made since 1994 have an immobilizer system that is based on codes for keys. In order to add a second key, it requires a new transponder, as well as special programming. This is usually done at the dealer using a Tech2 diagnostic tool.

The issue is that this can be very costly. This is why you should always have a spare key available.

Transponder key

The transponder key is a piece of hardware with an electronic chip that sends a signal to car when it is put into the ignition. The car then checks to see whether the signal matches with the one on the key. If the signals are in sync then the car will be able to unlock and start. This is a great method to protect your vehicle from theft.

Transponder keys are a common feature in vehicles, but you must be aware that they're not as secure as classic metal keys. While the metal part of a traditional key can be cut and copied however, a transponder is secured by an electronic chip. This chip has an unique code that is encoded into the car's system to identify it.

The car will recognize the saab 9-3 key fob replacement keyfob, and allow it to turn on. The car can only recognize the key fob if it has an unmodified chip and programmed to match. In the absence of that, the car will reject the key and not start.

It is vital to have a spare Saab key. This is particularly important when you live in a rural region where there are numerous car thieves. You can get a new key for your Saab by visiting the dealership, without having to pay their pricey cost. In most cases, you can have an original key made on the spot for less than half the cost of what you would pay at dealerships.

Key for Wired

saab car key replacement cars are usually delivered with two keys. If you have only one, it's best to acquire an extra key fob as soon as possible since if you lose it, the car will require a new CIM unit and the locking cylinders need to be replaced. This can be costly especially if you're purchasing a used car.

The next step is to connect the wires for columns and rows to your microcontroller. This is the most difficult part of the project and requires a significant amount of soldering. It's not a common way to do it, but you need to consider how you will connect and solder each column and row. There are 22 microcontroller wires and pins to connect to this keyboard. It includes 5 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 shield the pins that are used for key switches from current and prevent them from being shorted. The diode allows current to only flow in one direction. It has a visual indicator that is black, that shows which way current will flow.

Some of the tools offered at auto parts stores- such as the Autel MaxiIM IM608 Pro and IM508 -- can help customers in the shop, or even 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 procedure, making it simpler than replacing the computer in the vehicle.

Jump-starting the battery

A lot of people keep an assortment of tools in their trunks to start a car in an emergency, but it may not be a good idea for newer cars. These vehicles are equipped with numerous digital and computers that communicate with one another. A voltage spike when a battery is hooked up to another one could damage the components and render your car undriveable.

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

Once the cables are connected, you can start the vehicle you are not using and allow it to run for around five minutes before you disconnect them in reverse order. The battery in your Saab 9-3 will be recharged as you drive. It may take a while it to return to its original state. It is a good idea to purchase a spare key fob as soon as you can, because replacing the only functioning one requires the installation of a new computer module and special programming to convince it that your missing keys aren't trying to steal the car.

Replacement Case

Saab owners usually only have one car key, and if it is lost, they'll be charged. The reason for this is that it's expensive to add a new key, and it requires replacing the CIM (Column Integration Module) or TWICE on older models, in addition to programming. In the event of theft, or any other catastrophe, it is best to have an extra key. Even even if the key is "new" it will not function.

The dealer will charge the highest dollar if you only have one working key. We can reset and reprogram the EEEPROM of your computer to be able to accept a replacement key without having to replace the entire system. This could save you a lot of money. It's also a lot cheaper than waiting until you lose the only key.