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saab 9 3 key replacement (My Web Site) Key Programming

Saab cars made since 1994 feature an immobilizer mechanism built on coded keys. A new transponder is required to allow the addition of an additional key, as well as special programming. This is usually done at the dealer using a special Tech2 diagnostic tool.

This can be expensive. This is why it is important to always keep a spare key in your possession.

Transponder key

The transponder is a type of key with an electronic chip. The chip sends a signal when the key is placed in the ignition. The car will then check the signal to determine whether it is identical to the one on the key. If the signals match, the car will unlock and begin. This is a great method to stop auto theft and keep your vehicle safe from thieves.

Transponder keys are a favored feature in cars, but you should be aware that they are not as secure as classic metal keys. While the metal parts of a traditional key can be cut and copied, a transponder is protected by an electronic chip. The chip has an unique code that is embedded into the car's computer to identify it.

The car will recognize the saab replacement key keyfob and allow it to be turned on. The car will only recognize the key fob if the device has an unmodified chip and programmed to match. The car will not start when the key isn't programmed to match.

It is vital to have an extra saab 93 replacement key key. This is particularly true if you reside in a rural area that is home to many car thieves. The good thing is that you can obtain a replacement key for your Saab without needing to visit an auto dealer and pay the expensive prices that they charge. In most cases, you can have an original key made on the spot for less than half the price of what you'd pay at the dealer.

Wired key

Saab cars usually come with two keys when they're new. If you have only one, it is a good idea to get an extra key fob as soon as is possible, because if you lose it, your car will require an entirely new CIM unit, and the locking cylinders will need to be replaced. This can be expensive, especially for used cars.

The next step is to wire the wires of the column and row to the microcontroller. This is the most difficult part of the project, and will require a lot of soldering. There isn't a standard method to go about it, but you should plan how to open a saab 93 without a key to route and connect each column and row. For this keyboard, there are five rows and 17 columns, so there will be 22 microcontroller pins and wires to connect.

After the columns and rows are soldered, it's time to connect them to the key switches. To do this, you need to place a diode over each pin on the key switch and then solder it. This will protect the pins from current, thus preventing them from being shortened. A diode permits current to only flow in only one direction. It has a visual indicator with a black band that shows the direction in which the current will flow.

Some of the tools offered at auto parts stores -like the Autel MaxiIM IM608 PRO and IM508 -- may assist customers at the shop or DIY customers in certain instances replace keys in the program and restore lost immobilizer data, Sanabria says. The tools plug into OBD ports and help the customer through each step making the process simpler than replacing the vehicle's computer.

Jumpstarting the battery

A lot of people keep an item in their trunk to jump-start their vehicle in an emergency, however it might not be the best option for vehicles with newer technology. These vehicles are equipped with a number of electronic devices and computers that communicate with one another. A surge in voltage while a battery is hooked up to another could cause damage to these components and leave your car undriveable.

Connect the cables to the vehicle working. Allow it to run for two minutes. Attach the red clip on the positive terminal of the battery that's good. (It will read "POS" or "+".) Attach the other end of the black cable to an unpainted, clean metal surface underneath the vehicle's hood. An engine block is an ideal choice. The black cable is not to be connected to the negative terminal of the dead battery. This could trigger a spark, which would ignite the gasoline in the engine compartment.

Once the cables are connected the vehicle that is disabled and let it run for approximately five minutes before you disconnect the cables in reverse order. Be aware that the battery of your Saab 9-3 is recharged when you drive, so it can take a while for the battery to go back to its original level. You should purchase an additional key fob as soon as possible. Replacing the one that works requires the installation and programming of a new computer chip.

Replacement Case

Many Saab owners have only one key for their vehicle and if they lose that the cost will be. It's expensive to add an additional key and it requires replacing the CIM or TWICE in the case of older models. In the event of theft, or other catastrophe, it is best to have a spare key. Even if the key is "new", it won't work.

The dealer will charge you the most expensive dollar if you only have one working key. We can reset and reprogram the computer's EEEPROM to get it ready to accept a replacement key without replacing the entire system. This can save you a lot of money. It's also a lot cheaper than waiting until you lose your sole key.