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Saab Key Programming

saab key code cars made since 1994 use an immobilizer that relies on key codes. The addition of a key requires a new transponder and special programming. This is usually done at the dealer with a specialized Tech2 diagnostic tool.

The problem is that this could be very expensive. This is why you should always keep a spare key in your possession.

Transponder key

The transponder key is a key with an electronic chip that sends a signal back 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 match, the car will open and start. This is a great method to prevent auto theft and keep your car secure from thieves.

Transponder keys can be an extremely popular accessory for cars, but they're not as safe as traditional keys made of metal. The metal part of the traditional key is easily cut and copied, however transponders are protected by an electronic chip that protects it. This chip contains an individual code that is programmed into the car's computer to identify it.

The car will recognize the saab 9 3 Key Replacement keyfob, and allow it to turn on. The car can only recognize the key fob if it has an unmodified chip and programmed to match. The car won't start in the event that the key is not programmed to match.

It is crucial to have an extra saab 9-3 replacement key key. This is especially true when you live in a rural region that has numerous car thieves. You can purchase a new key for your saab keys replacement by going to the dealership without paying expensive cost. In the majority of cases, you can have a new key made on-the-spot at a fraction of the price of what you'd pay at the dealer.

Wired key

Saab cars typically come with two keys when new. If you have only one, it is recommended to purchase an extra key fob as quickly as you can since if you lose it, your car will require an entirely new CIM unit, and the locking cylinders have to be replaced. This can be costly particularly if you are purchasing a used vehicle.

The next step is to connect the column and row wires to the microcontroller. This is the most difficult part of the project, and it will require lots of soldering. It's not a standard way to go about it, but you need to determine how to route and connect each column and row. For this keyboard, there are 5 rows and 17 columns. This means there will be 22 microcontroller pins and wires to connect.

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

Sanabria states that a number of the tools that are sold in auto parts stores, such as the Autel MaxiIM IM608PRO and the IM508, can help customers shopping or DIY users to program replacement keys and restore the immobilizer's data. The tools plug into the OBD port and guide the user through the procedure, making it simpler than replacing the computer in the vehicle.

Jump starting the battery

Most people keep a few sets of jumper cables in their trunks in case of emergency however, jumping a battery on modern cars might not be the most efficient option. These cars are equipped with a variety of digital and computers that communicate with each other. A surge in voltage when the battery is connected to another one could damage the components and render your car undriveable.

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

Once the cables are connected the disabled vehicle and let it run for approximately five minutes before disconnecting the cables in reverse order. Be aware that the battery of the saab 93 key 9-3 will be charged while you drive, so it may take some time to get the battery back to normal. You should invest in a second key fob, as soon as possible. Replacing the one that works requires the installation and programming of a brand new computer chip.

Replacement case

Many saab keys owners only have one key for their vehicle and if they lose that it's going to cost them. It's costly to add the key and also requires replacing the CIM or TWICE for older models. In the event of theft, or any other disaster it is advisable to have an extra key. Even if the key is "new", it will not work.

The dealer will charge you the highest dollar for only one working key. However, we can reset and re-program your computer's EEPROM in order to prepare it to accept the new key, without replacing the entire system. That can save you lots of money. It's cheaper to do this than wait until you loose the only key.