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Saab Key Programming

Saab cars manufactured since 1994 utilize an immobilizer system that relies on coded keys. A new transponder is required for addition of an additional key, as well as special programming. This is usually done by the dealer using the Tech2 diagnostic tool.

The issue is that it can be very expensive. It is recommended to always have a spare set of keys available.

Transponder key

The transponder can be described as a key that has an electronic chip. This chip sends out a signal when the key is put in the ignition. The car will check to see if the signal matches the one on the key. If the signals match it will open itself and start. This is a great method to prevent auto theft and keep your car safe from thieves.

Transponder keys may be a popular addition to cars, but they're not as secure as traditional keys made of metal. 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 contains a unique code which is programmed into a car's computer in order to identify it.

The car will recognize the Saab keyfob, and allow it to turn on. The car can only recognize the key fob if the device has an unmodified chip and has been programmed to match. The car won't start when the key isn't programmed to match.

It is important to have an extra Saab key. This is especially true especially if you reside in a rural location where there are a lot of car burglars. The good thing is that you can obtain a replacement key for your saab 93 replacement key without having to go to a dealer and pay the expensive prices that they ask. In most cases, you can have a brand new key made right on the spot for less than half the cost of what you'd pay at a dealer.

Wired key

lost saab key cars usually come with two keys upon purchase. If you only have one, it is recommended to purchase an extra key fob as soon as possible, because if you lose it, your car will require the replacement of a CIM unit and the locking cylinders need to be replaced. This could be expensive particularly if you are purchasing a used car.

The next step is connecting the wires for columns and row to your microcontroller. This is the most difficult part of the project and will require a good deal of soldering. There isn't a standard way to accomplish this, but 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. So there will be 22 microcontroller wires and pins that you need to connect.

After the columns and rows are soldered, it's the time to connect them to the key switches. To do this you must place a diode across each key switch pin and then solder it. This will shield the pins from current and prevent them from being shortened. A diode permits current to only flow in one direction. It is equipped with a visible indicator with a black band that shows which way current will flow.

Sanabria says that some of the tools available in auto parts stores, like the Autel MaxiIM IMM608PRO and IM508 can assist customers who are shopping or DIY users to program replacement keys and restore the immobilizer's data. The tools connect to the OBD port and guide the user through the process, making it more simple than replacing the computer in the vehicle.

Jump-starting the battery

The majority of people have a set of jumper cables in their trunks to use in an emergency, but jumping a battery in newer vehicles may not be the best idea. These cars are equipped with a variety of electronic devices and computers that communicate with one another. A voltage surge when the battery is connected another could cause damage to the components and render your vehicle unusable.

Connect the cables to the vehicle working. Allow it to run for two minutes. Attach the red clip to the positive terminal on the battery that is good (it will have "POS" or "+" on it). Attach the other end of the black cable to a clean, unpainted metal surface underneath the car's hood. The engine block would be a good option. The black cable is not to be connected to the negative terminal of the dead battery. This could cause sparks, which would ignite the gasoline that is in the engine compartment.

Once the cables are connected, you should start the vehicle and let it run for approximately five minutes. Then, disconnect them in reverse. Keep in mind that the battery on your saab car key replacement 9-3 is charged when you drive, so it can take a while to get the battery down. You should purchase a second key fob, when you can. Replacing the one that works requires the installation and programming of a new computer chip.

Replacement case

Many Saab owners only have one key for their car and if they lose it, they'll be charged. The reason for this is that it's not inexpensive to add a new key, and that involves replacing the CIM (Column Integration Module) or TWICE on older models, and programming. In the event of theft, or other catastrophe it is advisable to have a spare key. Even it's "new", it will not work.

Most locksmiths cannot help you when you only have one working key and the dealer will charge you high prices to replace the computer in your car to make a replacement. We can, however, reset and re-program your computer's EEPROM to accept the new key, without replacing the entire system. This can save you a lot of money. It's also cheaper than waiting until you lose your one key.