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Saab Key Programming

Saab cars built since about 1994 have an immobilizer feature that is based on codes for keys. A new transponder is required for addition of a second key, and special programming. This is usually done by the dealer using the Tech2 diagnostic tool.

The issue is that this can be very expensive. This is why you should always have a spare key available.

Transponder key

The transponder can be described as a key that has an electronic chip. The chip transmits a signal when the key is put into the ignition. The car then analyzes the signal to see whether it matches the one in the key. If the signals are identical the car will then unlock itself and start. This is a great method to protect your vehicle from theft.

Transponder keys could be a popular addition to cars, but they're not as safe as traditional keys made of metal. The metal component of the traditional key can be easily cut and copied, however the transponder is protected by an electronic chip that protects it. The chip has a unique code that is inserted into a car's computers in order to identify it.

The car will recognize the Saab keyfob and permit it to be turned on. The car can only recognize the key fob if it has an unmodified chip and programmed to match. Otherwise, the car will reject the key and won't start.

It is important to have an extra Saab key. This is especially important if you live in a rural area, where there are numerous car thieves. You can get a new key for your saab key fob repair by visiting the dealership, without having to pay their expensive prices. In the majority of instances, you can get a new key created on-the-spot for less than half the price of what you would pay at an auto dealer.

Wired key

Saab cars are usually supplied with two keys. If you have only one, it is an ideal idea to purchase an extra key fob as soon as possible, because if you lose it, the car will require an entirely new CIM unit, and the locking cylinders need to be replaced. This could be expensive, especially if you are purchasing a used vehicle.

The next step is to wire the column and row wires to the microcontroller. This is the most challenging part of the project and will require a good deal of soldering. There's no standard way to do it, but you need to consider how to program saab 9-3 key fob you will route and connect each column and row. There are 22 microcontroller pins and wires to connect to this keyboard. It has 5 rows and 17 column.

After the columns and rows are soldered, it's the time to connect them to key switches. To do this you must place a diode across each key switch pin and solder it. This will protect the pins on the key switch from current and keep them from being shorted. A diode allows current to only flow in one direction. It is equipped with a visible indicator with a black band that indicates which direction current will flow.

Some of the tools available at auto parts storeslike the Autel MaxiIM IM608 Pro and IM508 -- may assist customers at the shop or DIY customers in certain cases create replacement keys and restore lost immobilizer information, Sanabria says. The tools plug into OBD ports and guide the customer through each step making the process simpler than replacing the car's computer.

Jump starting the battery

Most people keep an assortment of tools in their trunks to jump start a vehicle in the event of an emergency, but it may not be a good idea for cars with more modern technology. These vehicles are equipped with a number of digital and electronic devices that communicate with one another. A surge of voltage when the battery is connected another battery could damage the components making your car unusable.

Connect the cables how to open a saab 93 without a key the vehicle operating. Allow it to run for two minutes. Attach the red clip to the positive terminal on the good battery (it will have "POS" or "+" on it). Attach the other end to a clean and unpainted metal surface beneath the hood of the damaged vehicle. The engine block is a great 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.

Once the cables are connected, start the car and let it run for approximately five minutes. Then, disconnect them in reverse. The battery in your Saab 9-3 is recharged as you drive. It will take some time for it to fall back. It is a good idea how to get a saab replacement key purchase a spare fob as soon as you can, because replacing the only functioning one requires the installation of a brand new computer module and a special program to convince it that the lost keys are not trying to steal the car.

replacement saab key Case

saab 9-3 key not accepted contact service owners often only have one car key, and if that is lost, they will be charged. The reason is that it's not inexpensive to buy a new key, and it requires replacing the CIM (Column Integration Module) or TWICE on older models, in addition to programming. It's best to have a second key in case of theft or other disaster and the best option is to buy an extra key as early as you can. Even when 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, however, reset and re-program your computer's EEPROM to accept the new key, without replacing the whole system. That can save you a significant amount of money. It's also a lot cheaper than waiting until you lose your one key.