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Saab Key Programming

saab key programming cars manufactured since 1994 use an immobilizer system based on keys that are coded. To add an additional key, you need a new transponder and special programming. This is usually done at the dealer using a special Tech2 diagnostic tool.

The issue is that this could be very costly. This is why it is important to always have a spare key available.

Transponder key

The transponder key is a piece of hardware equipped with an electronic chip. It sends a signal to car when it is inserted into ignition. The car will then check the signal to determine whether it is identical to the one that is in the key. If both signals match the car will be able to unlock itself and begin. This is a great way to stop auto theft and keep your vehicle safe from thieves.

Transponder keys can be a popular addition to automobiles, but they are not as secure as traditional metal keys. While the metal component of a traditional key may be cut and copied however, a transponder is secured by an electronic chip. The chip contains a unique code which is programmed into a car's computer in order to identify it.

The car will recognize the Saab keyfob and permit it to be turned on. The car will only recognize the key fob if it is equipped with an unmodified chip and programmed to match. If not, the car will reject the key and not start.

It's essential to ensure that you have an extra key for your Saab. This is particularly important when you live in a rural area with numerous car thieves. The good news is that you can find a replacement key to your Saab without needing to visit a dealer and pay the hefty prices they ask. You can have a replacement key created on the spot for less than half the cost you would spend at dealerships.

Key for Wired

Saab cars are usually provided with two keys. If you have only one, you should get an additional key as soon as you can. This is because if it's lost the car will require an entirely new CIM and the locking cylinders replaced. This could be expensive especially if you're buying a second-hand car.

The next step is connecting the row and columns wires to your microcontroller. This is the toughest component of the project and it will require lots of soldering. It's not a common way to go about it, however, you should plan how to get a saab replacement key to route and connect each column and row. There are 22 microcontroller wires as well as pins to connect for this keyboard. It includes 5 rows and 17 columns.

Once the rows and columns are soldered, it's the time to connect them to key switches. Solder a diode on each key switch pin. This will shield the pins from current, and prevent them from being shorted. The diode allows current to only flow in only one direction. It has a visual indicator of a black line that shows the direction in which the current will flow.

Some of the tools offered at auto parts storeslike the Autel MaxiIM IM608 PRO and IM508 -- can help shop customers or even DIY users in some cases create replacement keys and restore lost immobilizer data, Sanabria says. The tools connect to OBD ports and guide the customer through each step making the process simpler than replacing the vehicle's computer.

Jump starting the battery

Most people keep a few sets of jumper cables in their trunks for emergencies, but jumping a battery on modern vehicles might not be the best option. They have numerous electronic devices and computers that communicate with each other. A voltage spike when the battery is connected another one could cause damage to the parts and render your vehicle unusable.

Connect the cables to the vehicle operating. 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 of the black cable to a clean, unpainted metal surface underneath the car's hood. The engine block is a good choice. Do not connect the black cable to the negative terminal on the dead battery as this could trigger a spark that ignites the gasoline in the engine bay.

After the cables have been connected, begin the car and let it run about five minutes. Then disconnect them in reverse. The battery in your Saab 9-3 is recharged as you drive. It takes a while for 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 sole working one requires the installation of a brand new computer module and a special program to convince it that your lost keys aren't in the process of trying to steal the car.

Replacement Case

Saab owners often only have one car key, and if it is lost, they will be charged. The reason for this is that it's not cheap to replace a key, and it requires replacing the CIM (Column Integration Module) or TWICE on older models, as well as programming. In the event of theft, or any other calamity it is advisable to have a spare key. However, don't purchase a secondhand key, even it's "new." Keys that are claimed as new from aftermarket sellers will not be effective and are almost guaranteed to fail at the critical moment.

The majority of locksmiths won't be able to help if you have only one working key, and the dealer will charge you top dollar to replace the computer in your vehicle to create a replacement. We can, however, reset and re-program your computer's EEPROM to prepare it to accept the new key, without replacing the whole system. That can save you lots of money. It's less expensive than waiting until you lose the sole key.