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saab 9-3 key fob replacement Key Programming

saab 93 key replacement cars made from 1994 have an immobilizer system that relies on key codes. A new transponder is required to allow the addition of a second key, and special programming. This is usually done at the dealer with a specialized Tech2 diagnostic tool.

The issue is that it can be quite costly. This is why you should always have a spare key at hand.

Transponder key

The transponder key is a key with an electronic chip that transmits a signal to the car when it is put into the ignition. The car checks to see if the signal matches the one on the key. If the signals are the same it will open itself and begin. This is a great way to stop auto theft and keep your vehicle secure from thieves.

Transponder keys are an extremely popular accessory for cars, but they are not as safe as traditional metal keys. The metal component of the traditional keys can be easily cut and copied, however transponders are protected by an electronic chip that guards it. The chip is a unique code that's programmed into a car's computers in order to identify it.

The car will recognize the saab key battery replacement keyfob, and allow it to turn on. However, it is only able to do so if the key fob has a non-modified chip that has been programmed to match the original. The car will not start in the event that the key is not programmed to match.

It's essential to ensure that you have an extra key for your Saab. This is particularly important when you live in a rural area that is home to many car thieves. The good part is that you can obtain a replacement key for your Saab without having to go to a dealer and pay the high prices that they demand. In most cases, you can have a brand new key made right on the spot for less than half the price of what you would pay at the dealer.

Key for Wired

Saab cars are usually supplied with two keys. If you have only one, it is a good idea to get an extra key fob as soon as is possible, because if you lose it, the car will require the replacement of a CIM unit and the locking cylinders have to be 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 most tedious part of the project, and will require lots of soldering. There is no standardized way to accomplish this, however it is important to think about the route you'll take and solder the rows and columns. For this keyboard, there are 5 rows and 17 columns, which means there will be 22 microcontroller wires and pins to connect.

After the rows and column are soldered together after which it is time to connect the key switches. To do this, place an inverter over each pin of the key switch and then solder it. This will protect the pins from current, thus preventing them from getting shorted. A diode allows the flow of current to be in one direction, and it comes with a the black band as a visual indicator that shows the direction in which current will flow.

Sanabria states that some of the tools that are sold in auto parts stores, such as the Autel MaxiIM IM608PRO or IM508 will assist shoppers or DIY users to program replacement keys and restore the immobilizer's data. The tools plug into OBD ports and guide the customer through each step which makes the process much easier than replacing the car's computer.

Jump-starting the battery

Most people keep a few sets of jumper cables in their trunk to use in an emergency, but jumping a battery on modern automobiles might not be the best option. These vehicles are equipped with a number of digital and computer systems that communicate with each other. A surge in voltage when the battery is connected to another can fry these components and leave your car undriveable.

Start the working vehicle and allow it to run for around two minutes before connecting the cables to the disabled one. Attach the red clip to the positive terminal on the good battery (it will have "POS" or "+" on it). Attach the other end how to open a saab 93 without a key a clear, unpainted metal surface beneath the hood of the affected car. The engine block is an excellent alternative. Don't connect the black cable to the negative terminal of the dead battery because this could trigger a spark that ignites the gasoline in the engine bay.

After the cables have been connected, you should start the car and let it run about five minutes. Then disconnect them in reverse. The battery in the Saab 9-3 will charge as you drive. It takes a while for it to return to its original state. It's a good idea to purchase a spare fob as soon as you can, because replacing the one that works requires the installation of a brand new computer module and a special program to convince the system that your lost keys are not trying to steal the car.

Replacement Case

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

Most locksmiths cannot help you when you only have one working key and the dealer will charge high prices to replace the computer in your car for a replacement saab key. However, we can reset and reprogram the computer's EEPROM in order to prepare it to accept an alternative key without replacing the entire system. This could save you a significant amount of money. It's also less expensive than waiting until you lose your one key.