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Saab Key Programming

saab key battery replacement cars that were built prior to 1994 have an immobilizer system made up of coded keys. To add an additional key, you need the purchase of a new transponder as well as special programming. This is usually done by the dealer using the Tech2 diagnostic tool.

It can be costly. You should always keep an extra set of keys at hand.

Transponder key

The transponder keys are keys with an electronic chip that sends a signal back to the car when it is inserted into ignition. The car then examines the signal to see whether it matches that of the key. If the signals match the car will then unlock and start. This is a fantastic way to protect your car from theft.

Transponder keys are a common feature in vehicles, but you should be aware they are not as secure as traditional metal keys. The metal part of the traditional key can easily be cut and copied, however a transponder has an electronic chip which protects it. The chip is a unique code that is programmed into the car's computer in order to identify it.

The car will recognize the saab 9 3 key replacement keyfob and allow it to be turned on. The car will only recognize the key fob if the device has a chip that is unmodified and programmed to match. The car will not start in the event that the key is not programmed to match.

It is important to have a spare Saab key. This is especially true if you reside in a rural area that is home to numerous car thieves. The good part is that you can get a replacement key for your saab key programming without having to go to a dealership and pay the high costs they ask. In the majority of instances, you can get a new key made on-the-spot for less than half the cost of what you'd pay at an auto dealer.

Wired key

Saab cars are usually delivered with two keys. If you only have one, it is best to acquire an additional key fob as soon as possible as if you lose it, the car will require a new CIM unit, and the locking cylinders will have to be replaced. This could be expensive especially if you're buying a second-hand car.

The next step is to connect the wires for columns and rows to your microcontroller. This is the toughest part of the project, and will require a lot of soldering. It's not a common way to do it, but you must determine how to route 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 columns and rows are soldered together, 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 being shortened. A diode lets current only flow in only one direction. It features a visual indicator that is black, that indicates the direction in which current will flow.

Sanabria says that some of the tools sold in auto parts stores, such as the Autel MaxiIM IM608PRO or IM508 can assist shoppers or DIY users to program replacement keys and restore data from the immobilizer. The tools plug into the OBD port and guide the customer through the procedure, making it much easier 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 on newer vehicles may not be the most efficient option. These cars have a variety of digital and electronic devices that communicate with one another. A surge in voltage when the battery is connected to another one could damage these components and render your vehicle unable to drive.

Start the vehicle you are using and allow it to run for approximately two minutes before you connect the cables to the one that is disabled. Attach the red clip to the positive terminal on the good battery (it will have "POS" or "+" on it). Attach the other end of the black cable to a clean, unpainted metal surface under the disabled car's hood--the engine block is a good choice. The black cable should not be connected to the negative terminal of the dead battery. This could cause sparks, which would ignite gasoline in the engine compartment.

Once the cables are connected, start the vehicle that is disabled and allow it to run for around five minutes before disconnecting them in reverse order. The battery in your Saab Ignition Key 9-3 will recharge while you drive. It takes a while for it to drop back down. It is recommended to purchase another key fob when you can. Replacing the original one that works requires the installation and programming of a brand new computer chip.

Replacement Case

Many saab spare key owners only have one key for their vehicle and if they lose that it's going to cost them. The reason for this is that it's not inexpensive to add a new key, and it requires replacing the CIM (Column Integration Module) or TWICE on older models, in addition to programming. It's recommended to have a backup key in case of theft or any other catastrophe and the best option is to purchase an additional key as soon as you can. Don't buy a secondhand key, even it's "new." Keys that are claimed-new purchased from third-party sellers won't work and are almost guaranteed to fail at the crucial moment.

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 vehicle to create a replacement. We can, however, reset and re-program the computer's EEPROM in order to prepare it to accept a new key without replacing the whole system. This can save you a great deal of money. It's more affordable than wait until you lose the only key.