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saab Key Battery replacement Key Programming

Saab cars produced since 1994 use an immobilizer that relies on key codes. In order to add a second key, it requires a new transponder and special programming. This is usually done by the dealer using a Tech2 diagnostic tool.

It can be costly. Always keep an extra set of keys in your possession.

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 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 begin. This is an excellent way to guard your car against theft.

Transponder keys could be an increasingly popular feature for cars, but they are not as secure as traditional metal keys. While the metal part of a conventional key can be cut and copied but a transponder key is protected by an electronic chip. The chip has a unique code that's programmed into the car's computer in order to identify it.

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

It is essential to ensure that you have an extra key for your saab 9-3 replacement key. This is especially important especially if you reside in a rural area, where there are many car thieves. The good thing is that you can get a replacement key for your saab spare key without having to go to an auto dealer and pay the high prices that they charge. In most cases, you can have a new key made on-the-spot at a fraction of the cost of what you'd pay at an auto dealer.

Key for Wired

Saab cars are usually supplied with two keys. If you own only one, you should get an additional key as soon as you can. This is because if it's lost the car will require an entirely new CIM and the locking cylinders replaced. This can be costly especially for used vehicles.

The next step is to wire the row and column wires to the microcontroller. This is the toughest part of the project and will require lots of soldering. There's no standard way to go about it, however, you should consider how you will route and solder each column and row. For this keyboard, there are five rows and 17 columns. This means 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 to each key switch pin. This will shield the pins that are used for key switches from current and also prevent them from being shorted. A diode permits current to only flow in only one direction. It features a visual indicator with a black band that shows which way current will flow.

Some of the tools offered at auto parts stores -like the Autel MaxiIM IM608 Pro and IM508 -- may help shop customers or even DIY users in some cases program replacement keys and restore lost immobilizer data, Sanabria says. The tools plug into OBD ports and guide the customer through each step which makes the process much easier than replacing the vehicle's computer.

Jump-starting the battery

The majority of people have a set of jumper cables in their trunk in case of emergency, but jumping a battery in newer automobiles might not be the best option. These vehicles have many electronic devices and computers that communicate with each other. A surge in voltage when a battery is hooked up to another can fry these components, rendering your vehicle unable to drive.

Connect the cables to the vehicle operating. 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 clean, unpainted metal surface under the hood of the affected car. The engine block is a good choice. Do not connect the black cable to the negative terminal on the dead battery because this could trigger 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 the cables in reverse order. The battery in your saab key programmer 9-3 will recharge while you drive. It takes a while for it to drop back down. You should purchase another key fob as soon as possible. Replacing the one that works requires the installation and programming of a brand new computer chip.

Replacement case

Saab owners often only have one car key, and if that is lost, they will be charged. It's expensive to purchase a key and requires replacing the CIM or TWICE for older models. In the event of theft, or any other catastrophe, it is best to have a spare key. Even 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 to be able to accept a replacement key without the need to replace the entire system. This can save you a lot of money. It's much cheaper instead of waiting until you lose your only key.