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saab key programmer Key Programming

saab 9-3 key fob programming cars built since about 1994 come with an immobilizer system that is based on codes for keys. A new transponder is required in order to enable the addition of an extra key, and special programming. This is usually handled by the dealer using the Tech2 diagnostic tool.

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

Transponder key

The transponder key is a piece of hardware with an electronic chip that sends a signal back to the car when it is put into the ignition. The car will then check the signal to see whether it is identical to the one in the key. If the signals are identical the car will be able to unlock itself and begin. This is an excellent way to safeguard your car from theft.

Transponder keys could be an increasingly popular feature for cars, but they are not as safe as traditional keys made of metal. The metal part of the traditional key is easily cut and copied, however transponders have an electronic chip that guards it. The chip has a unique code that is embedded into the car's computer to identify it.

When a Saab key fob is used, the car recognizes it and allows it to turn on. The car will only recognize the key fob if it has a chip that is unmodified and programmed to match. The car won't start if the key is not programmed to match.

It is vital to have an extra Saab key. This is particularly true if you reside in a rural area that is home to numerous car thieves. You can get a new key for your saab 93 key by visiting the dealership without paying high prices. You can have a replacement key made on the spot for less than half what you would pay at dealerships.

Wired key

Saab cars are usually delivered with two keys. If you have only one, it's an ideal idea to purchase an extra key fob as soon as is possible since if you lose it, your car will require an entirely new 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 wires of the column and row to the microcontroller. This is the most challenging part of the project and will require a large amount of soldering. There isn't a standard method to do it, but you must determine how to open a saab 93 without a key to connect and solder each column and row. There are 22 microcontroller wires and pins that you can connect for this keyboard. It includes 5 rows and 17 column.

After the rows and column are joined after which it is time to connect the key switches. Solder a diode on each key switch pin. This will shield the pins of the key switch from current and keep them from being shorted. A diode allows current to only flow in only one direction. It comes with a visual indicator of a black line that indicates which direction 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, can help customers who are shopping or DIY users to program replacement keys and restore the immobilizer's data. The tools plug into the OBD port and guide the customer through the procedure, making it simpler than replacing the computer in the vehicle.

Jump-starting the battery

The majority of people have a set in their trunks to start a car in case of emergency, but it might not be the best idea for cars with more modern technology. These vehicles are equipped with a number of computers and digital devices that communicate with each other. A voltage spike when batteries are connected to another could cause damage to the components making your car unusable.

Connect the cables to the vehicle that is working. Let it 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 to a clear, unpainted metal surface underneath the hood of the affected vehicle. The engine block is a good option. The black cable should not be connected to the negative terminal of the dead battery. This could trigger sparks that could ignite the gasoline inside the engine compartment.

Once the cables are connected the vehicle you are not using and allow it to run for around five minutes before disconnecting them in reverse order. Remember that the battery on the Saab 9-3 will be charged while you drive, so it will take a while to get the battery back down again. It's a good idea purchase a spare fob as soon as you can, since replacing the only functioning one requires the installation of a new computer module and a special program to convince it that the lost keys are not trying to steal the car.

Replacement case

Saab owners often only have one car key, and if that is lost, they will be charged. The reason is that it's expensive 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 calamity it is advisable to have an extra key. But don't buy a used key even it's "new." Keys that are claimed to be new from sellers selling aftermarket keys won't work and are likely to fail at the critical moment.

The dealer will charge you the most expensive dollar for only one working key. However, we can reset and re-program the computer's EEPROM to prepare it to accept a new 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 sole key.