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saab ignition key replacement Key Programming

Saab cars built since about 1994 have an immobilizer system based on coded keys. A new transponder is required to allow the addition of a second key, and special programming. This is usually handled by the dealer using a Tech2 diagnostic tool.

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

Transponder key

The transponder keys are keys equipped with an electronic chip. It sends a signal back to the car when it is inserted into ignition. The car will then check the signal to see whether it is the same as the one in the key. If the signals are identical the car will be able to unlock itself and start. This is a great way to deter car theft and keep your vehicle safe from thieves.

Transponder keys are an extremely popular accessory for automobiles, but they are not as safe as traditional keys made of metal. While the metal parts of a traditional key can be cut and copied, a transponder is protected by an electronic chip. The chip has a unique code that is programmed into a car's computer order to identify it.

When a Saab key fob is used the car recognizes it and allows it to turn on. But, it's only able to do this if the key fob has a non-modified chip that has been programmed to match. The car won't start if the key is not programmed to match.

It is vital to have an extra Saab key. This is particularly true when you live in a rural region that has numerous car thieves. You can obtain a replacement key for your Saab by visiting the dealership, Saab ignition key replacement without having to pay their pricey prices. You can get an original key made on the spot for less than half of what you would pay at an auto dealer.

Wired key

Saab cars are typically delivered with two keys. If you only have one, you should get an additional key as soon as you can. This is because if you lose it, the car will need a new CIM and the locking cylinders replaced. This can be costly especially for used vehicles.

The next step is to connect the column and row wires to the microcontroller. This is the most challenging part of the project and will require a good amount of soldering. It's not a standard way to go about it, but you need to determine how to route and solder each column and row. For this keyboard, there are five rows and 17 columns. So there will be 22 microcontroller pins and wires to connect.

After the rows and column are joined after which it is time to connect the key switches. Solder a diode on each key switch pin. This will protect the pins from current, and prevent them from getting shorted. A diode permits current to only flow in one direction. It has a visual indicator that is black, that shows the direction in which the current will flow.

Sanabria says that some of the tools offered in auto parts stores, including the Autel MaxiIM IMM608PRO and IM508 are able to assist shoppers or DIY users to program replacement keys and restore immobilizer information. The tools plug into the OBD port and automatically guide the customer through the procedure, making it much easier than replacing the computer in the vehicle.

Jump starting the battery

Most people keep an item in their trunks to jump start a car in case of emergency, however it might not be a good option for vehicles with newer technology. These vehicles are equipped with computers and digital devices which communicate with one another. A voltage spike when a battery is hooked up to another battery could fry the components and render your car undriveable.

Connect the cables to the vehicle that is working. Allow it to run for two minutes. Attach the red clip to the positive terminal of the good battery. (It will say "POS" or "+".) Attach the other end of the black cable to an unpainted, clean metal surface underneath the car's hood. The engine block is an ideal choice. Do not connect the black cable to the negative terminal of the dead battery, as this could cause an ignition that ignites the gasoline in the engine bay.

Once the cables are connected, start the vehicle and let it run for approximately five minutes. Then, disconnect them in reverse. The battery in your Saab 9-3 will be recharged as you drive. It takes a while for it to return to its original state. It's a good idea buy a spare key fob as soon as you can, because replacing the only working one requires the installation of a brand new computer module and special programming to convince the system that your lost keys aren't attempting to steal the car.

Replacement Case

saab 900 key owners usually only have one car key, and if it is lost, they'll be charged. It's expensive to add keys and will require replacing the CIM or TWICE for older models. It's recommended to have a spare key in case of theft or any other catastrophe the best solution is to purchase an extra key as soon as you can. Even if the key is "new", it will not function.

The dealer will charge the highest dollar if you have only one working key. We can reset and reprogram the EEEPROM of your computer for it to accept a replacement key without the need to replace the entire system. That can save you lots of money. It's also much less expensive than waiting until you lose the only key.