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Saab Key Programming

Saab cars produced from 1994 have an immobilizer system that relies on coded keys. A new transponder is required to allow the inclusion of an additional key, and special programming. This is usually done at the dealer using a special Tech2 diagnostic tool.

It can be costly. This is why you should always have a spare key available.

Transponder key

The transponder can be described as a key with an electronic chip. This chip sends out a signal when the key is inserted into the ignition. The car will check to see whether the signal matches the one on the key. If the signals match it will open and start. This is a great way to stop car theft and keep your vehicle secure from thieves.

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

The car will recognize the Saab keyfob and allow it to be turned on. However, it is only able to do this if the key fob is unmodified and has a chip that has been programmed to match the original. The car will not 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 area where there are a lot of car burglars. You can get a new key for your saab 9-3 key by going to the dealership, without having to pay their pricey costs. You can get an original key made on the spot for less than half the cost you would pay at a dealership.

Wired key

saab spare key (internet) cars usually come with two keys when they are new. If you own only one, you should get an extra key as soon as you can. This is because, if it's lost and the car is damaged, it will require an entirely new CIM and the locking cylinders replaced. This can be expensive particularly for used cars.

The next step is to connect the wires for columns and rows to your microcontroller. This is the most difficult part of the project and will require a large deal of soldering. There's no standard way to do this, but it is crucial to plan the routes you'll use how to program saab 9-3 key fob 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 columns and rows are soldered together, it is time to connect the key switches. To do this, place a diode over each pin on the key switch and then solder it. This will shield the pins on the key switch from current and stop them from being shorted. A diode lets current only flow in one direction. It has a visual indicator, a black band, that indicates the direction in which current will flow.

Sanabria says that a few of the tools that are sold in auto parts stores, like the Autel MaxiIM IM608PRO and IM508, can help customers shopping or DIY users to program replacement keys and restore data from the immobilizer. The tools connect to OBD ports and help the customer through each step, making the process easier than replacing the car's computer.

Jump starting the battery

A lot of people keep a set of jumper cables in their trunks for emergency situations however, jumping a battery on newer cars might not be the most efficient option. These vehicles are equipped with a number of digital and computer systems that communicate with one another. A voltage surge while the battery is connected to another could cause damage to these components and leave your car undriveable.

Start the vehicle that is working and let it run for about two minutes before you connect the cables to the one that is disabled. 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 beneath the hood of the damaged vehicle. The engine block is a good alternative. The black cable is not to be connected to the negative terminal of the dead battery. This could cause sparks, which could ignite gasoline in the engine compartment.

Once the cables are connected the vehicle you are not using and let it run for about five minutes before you disconnect them in reverse order. The battery in the Saab 9-3 will charge as you drive. It may take a while it to return to its original state. It's a good idea to invest in a spare key fob as soon as you can, since replacing the one that works requires the installation of a new computer module and special programming to convince it that your lost keys aren't attempting to steal the car.

Replacement case

saab key fob replacement owners usually only have one car key, and if that is lost, they will be charged. The reason is that it's not cheap to purchase a new key, and this involves replacing the CIM (Column Integration Module) or TWICE on older models, plus programming. In the event of theft or any other catastrophe, it is best to have an extra key. Don't buy a secondhand key even the case that it's "new." Claimed-new keys from sellers selling aftermarket keys won't perform and are almost certain to fail at the critical moment.

Most locksmiths aren't able to help with a single working key and the dealer will charge you for the cost of replacing the computer in your vehicle for a replacement. We can reset and reprogram the computer's EEEPROM in order to make it ready to accept a replacement key without the need to replace the entire system. That can help you save money. It's less expensive than waiting until you lose the only key.