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Saab Key Programming

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

The problem is that this can be extremely expensive. You should always keep a spare set of keys at hand.

Transponder key

The transponder key comes equipped with an electronic chip. It transmits a signal to the car when it is inserted into the ignition. The car then checks to see whether the signal matches the one on the key. If the signals are identical, the car will unlock itself and begin. This is a great method to stop auto theft and keep your car secure from thieves.

Transponder keys are a common feature in vehicles, but you should be aware they are not as secure as classic metal keys. While the metal component of a traditional key may be cut and copied the transponder is protected by an electronic chip. The chip is equipped with a unique code encoded into the car's system to identify it.

The car will recognize the Saab keyfob, and allow it to be turned on. But, it's only able to do this if your key fob has a non-modified chip that has been programmed to match it. Otherwise, the car would refuse to accept the key and will not start.

It's important to make sure that you have an extra key for your saab ignition key. This is especially important for those who live in a rural area that is home how to get a saab replacement key many car thieves. The good thing is that you can find a new key for your Saab without needing to visit an auto dealer and pay the hefty prices they ask. You can get the replacement key on the spot for less than half the cost you would pay at the dealership.

Wired key

Saab cars are typically delivered with two keys. If you only have one, it's a good idea to get an additional key fob as quickly as you can, because if you lose it the car will require the replacement of a CIM unit and the locking cylinders have to be replaced. This could be expensive especially if buying a used car.

The next step is to connect the wires for the column and row to the microcontroller. This is the most tedious aspect of the project and it will require a lot of soldering. There is no standardized way to do this, but it is crucial to plan the route you'll take and solder the columns and rows. There are 22 microcontroller wires and pins that you can connect to this keyboard. It includes 5 rows and 17 columns.

After the columns and rows are soldered, it's the time to connect them to key switches. Solder a diode on each key switch pin. This will protect the pins from current, preventing them from getting shorted. A diode allows current to only flow in only one direction. It comes with a visual indicator that is black, that shows which way current will flow.

Some of the tools available at auto parts stores -like the Autel MaxiIM IM608 Pro and IM508 -- could help shop customers or even DIY users in some cases replace keys in the program and restore lost immobilizer information, Sanabria says. The tools plug into the OBD port and automatically guide the customer through the process, making it more simple than replacing the computer inside the vehicle.

Jumpstarting the battery

A majority of people keep an assortment of tools in their trunks to jump start a car in case of emergency, but this might not be the best idea for newer cars. These vehicles have many digital and electronic devices that communicate with one another. A voltage spike when a battery is hooked up to another one could damage these components and leave your car undriveable.

Start the vehicle that is working and let it run for about two minutes before connecting the cables to the disabled one. Attach the red clip on the positive terminal of the battery that's good. (It will say "POS" or "+".) Attach the other end to a clean unpainted metal surface underneath the hood of your disabled car. The engine block is an excellent alternative. 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 in the engine compartment.

Once the cables are connected 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 replacement 9-3 will be recharged while you drive. It may take a while it to drop back down. You should invest in a second key fob, when you can. Replacing the original one that works requires the installation and programming of a new computer chip.

Replacement case

Saab owners usually have only one car key, and if it is lost saab key, they will be charged. It's costly to add a key and requires replacing the CIM or TWICE in the case of older models. In the event of theft or any other disaster, it is best how to program saab 9-3 key fob have a spare key. Don't purchase a used key, even it's "new." Claimed-new keys purchased from third-party sellers won't perform and are almost certain to fail at the crucial moment.

Most locksmiths can't help you with a single working key, and the dealer will charge high prices to replace the computer in your car for a replacement saab car keys. We can reset and reprogram the EEEPROM of your computer to be able to accept a replacement key without having to replace the entire system. This could save you a significant amount of money. It's more affordable instead of waiting until you lose the sole key.