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Saab Key Programming

Saab cars made since 1994 use an immobilizer system based on a set of keys. A new transponder is required for addition of an additional key, and special programming. This is usually done at the dealer, using a specially-designed Tech2 diagnostic tool.

The issue is that this can be quite costly. Always keep an extra set of keys on hand.

Transponder key

The transponder is a piece of key with an electronic chip. This chip sends a signal when the key is placed into the ignition. The car then checks the signal to determine if it matches that of the key. If the signals match then the car will be able to unlock and start. This is a great method to protect your car from theft.

Transponder keys are a popular feature in cars, but it is important to know that they are not as secure as classic metal keys. While the metal portion of a traditional key may be cut and copied however, a transponder is secured by an electronic chip. The chip has a unique code embedded into the car's computer to identify it.

When a saab 9-3 key key fob is used the car recognizes it and allows it to turn on. The car will only recognize the key fob if it is equipped with a chip that is unmodified and has been programmed to match. The car will not start when the key isn't programmed to match.

It's essential to ensure that you have a spare key for your Saab. This is particularly important when you live in a rural area, where there are many car thieves. You can obtain a replacement key for saab 93 key for your saab spare key by going to the dealership without paying pricey prices. In the majority of cases, you can have a new key created on-the-spot for less than half the cost of what you would pay at dealerships.

Key for Wired

Saab cars are usually provided with two keys. If you only have one, it's a good idea to get an additional key fob as soon as you can as if you lose it, the car will require a new CIM unit, and the locking cylinders have to be replaced. This can be expensive particularly for used cars.

The next step is to wire the column and row wires to the microcontroller. This is the most difficult part of the project and it will require a lot of soldering. There is no standardized way to do this, but it's important to plan out the routes you'll use to solder the rows and columns. There are 22 microcontroller wires and pins that you can connect to this keyboard. It has 5 rows and 17 columns.

After the columns and rows are soldered together then it's time to connect the key switches. To do this, you need to place an inverter over each key switch pin and then solder it. This will protect the pins on the key switch from current and also prevent them from being shorted. The diode allows current to only flow in one direction. It comes with a visual indicator that is black, that indicates the direction in which current will flow.

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

Jump starting the battery

A majority of people keep a set in their trunks to jump-start their car in case of emergency, but it may not be a good option for vehicles with newer technology. These cars have a variety of digital and computer systems that communicate with each other. A surge in voltage while the battery is connected to another battery could fry these components and render your car unable to drive.

Start the vehicle you are using and let it run for about two minutes before connecting the cables to the one that is disabled. Attach the red clip on the positive terminal of the battery that is good. (It will say "POS" or "+".) Attach the other end to a clear, unpainted metal surface underneath the hood of your disabled car. The engine block is an excellent choice. The black cable should not be connected to the negative terminal of the dead battery. This could create a spark, which would ignite the gasoline inside the engine compartment.

Once the cables are connected, you should begin the car and let it run for about five minutes. Then, disconnect the cables in reverse. Be aware that the battery of your Saab 9-3 is recharged while you drive, so it will take a while for the battery to go back down again. It's a good idea purchase 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 the lost keys aren't in the process of trying to steal the car.

Replacement case

Many saab key replacement owners only have one key for their car and if they lose that it's going to cost them. The reason is that it's not inexpensive to purchase a new key, and this involves replacing the CIM (Column Integration Module) or TWICE on older models, plus programming. It's best to have a second key in the event of theft or other disaster and the best option is to purchase a second key as quickly as you can. Even it's "new", it will not work.

The majority of locksmiths won't be able to help with a single working key and the dealer will charge top dollar to replace the computer in your car for a replacement. We can reset and reprogram the EEEPROM of your computer to get it ready to accept a replacement key without replacing the entire system. This could save you a lot of money. It's less expensive than wait until you lose the sole key.