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Saab Key Programming

Saab cars produced from 1994 have an immobilizer that relies on keys that are coded. A new transponder is required for addition of an additional key, as well as special programming. This is usually handled by the dealer using the Tech2 diagnostic tool.

It can be costly. You should always keep a spare set of keys at hand.

Transponder key

The transponder key is a piece of hardware equipped with an electronic chip. It sends a signal to 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 both signals match it will open itself and begin. This is a great method to stop car theft and keep your car secure from thieves.

Transponder keys can be a popular addition to cars, but they're not as secure as traditional keys made of metal. While the metal parts of a conventional key can be cut and copied but a transponder key is protected by an electronic chip. This chip has a unique code that is encoded into the car's system to identify it.

When a saab ignition key Replacement 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. In the absence of that, the car will refuse to accept the key and will not start.

It is essential to ensure that you have an extra key for your saab car keys. This is particularly important especially if you live in a rural area that is home to numerous car thieves. The good thing is that you can find a replacement key to your Saab without having to go to a dealer and pay the high costs that they demand. In most cases, you can have a new key created on-the-spot for less than half the price of what you'd pay at the dealer.

Wired key

Saab cars are usually supplied with two keys. If you own only one, it is recommended to get an additional key as quickly as you can. This is because if it's lost the car will require a new CIM and the locking cylinders replaced. This can be expensive especially for used vehicles.

The next step is to connect the row and column 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, however, you should determine how to route and connect each column and row. There are 22 microcontroller pins and wires to connect to this keyboard. It has five rows and 17 columns.

Once the rows and columns are soldered, it's the time to connect them to the key switches. Solder a diode to each key switch pin. This will protect the pins of the key switch from current and prevent them from being shorted. The diode will only allow the flow of current to be in one direction, and it has an indicator in black that indicates the direction in which current will flow.

Some of the tools available at auto parts stores -like the Autel MaxiIM IM608 Pro and IM508 -- may assist customers at the shop or DIY customers in certain instances program replacement keys and restore lost immobilizer data Sanabria says. The tools connect to the OBD port and automatically guide the customer through the process, making it easier than replacing the computer inside the vehicle.

Jump-starting the battery

Most people keep a set of jumper cables in their trunk in case of emergency, but jumping a battery on modern vehicles may not be the best option. These cars are equipped with a variety of computers and digital devices which communicate with each other. A surge in voltage when the battery is connected to another one could damage these components, rendering your vehicle unable to drive.

Connect the cables to the vehicle working. Let it run for two minutes. Attach the red clip on the positive terminal of the battery that is good. (It will read "POS" or "+".) Attach the other end to a clean, unpainted metal surface under the hood of the disabled car. The engine block is a good choice. Don't connect the black cable to the negative terminal on the dead battery, since it could spark an ignition that ignites the gasoline in the engine bay.

Once the cables are connected, turn on the vehicle that has been disabled and allow it to run for around five minutes before disconnecting the cables in reverse order. The battery in your Saab 9-3 will recharge while you drive. It will take a while for it to return to its original state. You should consider purchasing an additional key fob when you can. The replacement saab 9-3 key of the one that works requires the installation and programming of a new computer chip.

replacement saab key case

Saab owners often only have one car key, and if it is lost, they'll be charged. The reason for this is that it's costly to replace a key, and that involves replacing the CIM (Column Integration Module) or TWICE on older models, in addition to programming. It is recommended to have a backup key in case of theft or other disaster, and the best way is to purchase an additional key as soon as you can. Even it's "new" it won't work.

The dealer will charge you top dollar if you only have one working key. We can, however, reset and re-program the computer's EEPROM in order to prepare it to accept a new key without replacing the entire system. This can help you save a significant amount of money. It's also cheaper than waiting until you lose your one key.