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saab 9-3 key programming Key Programming

Saab cars produced since 1994 utilize an immobilizer system that is based on keys that are coded. To add an additional key, you need an entirely new transponder and programming. This is usually handled by the dealer using the Tech2 diagnostic tool.

It can be costly. This is why you should always keep a spare key in your possession.

Transponder key

The transponder is a type of key equipped with an electronic chip. The chip transmits a signal when the key is put in the ignition. The car will then check the signal to see if it matches the one on the key. If the signals are identical, the car will unlock itself and begin. This is a great method to protect your vehicle from theft.

Transponder keys are a popular feature in vehicles, but it is important to know that they're not as secure as traditional keys made of metal. While the metal parts of a conventional key can be cut and copied the transponder is protected by an electronic chip. This chip has an individual code that is programmed into the car's computer to identify it.

When a Saab key fob is used the car recognizes it and allows it to turn on. But, it's only able to do this if the fob is unmodified and has a chip that has been programmed to match the original. In the absence of that, the car will reject the key and refuse to start.

It is crucial to have an extra saab 9-3 key not accepted contact service key. This is especially true for those who live in a rural area, where there are numerous car thieves. The good thing is that you can find a new key for your Saab without needing to visit a dealership and pay the expensive prices that they ask. You can have an original key made on the spot for less than half of what you would spend at an auto dealer.

Wired key

Saab cars usually come with two keys when new. If you have only one, it is recommended to purchase an additional key fob as soon as you can in case you lose it the car will require the replacement of a CIM unit and the locking cylinders have to be replaced. This can be costly especially if you're purchasing a used vehicle.

The next step is to connect the wires for columns and row to your microcontroller. This is the most difficult part of the project and will require a large deal of soldering. There is no standardized way to accomplish this, however it is essential to determine the way you'll route and solder the columns and rows. There are 22 microcontroller pins and wires to connect to this keyboard. It has five rows and 17 column.

After the columns and rows are soldered, it's time to connect them to the key switches. To do this, place an inverter over each pin on the key switch and solder it. This will protect the pins of the key switch from current and also prevent them from being shorted. A diode lets current only flow in one direction. It comes with a visual indicator of a black line that shows the direction in which the current will flow.

Some of the tools you can find at auto parts storeslike the Autel MaxiIM IM608 Pro and IM508 -- could help customers in the shop, or even DIY customers in certain instances create replacement keys and restore lost immobilizer data, Sanabria says. The tools plug into OBD ports and guide the user through each step making the process simpler than replacing the car's computer.

Jump starting the battery

Most people keep a few sets of jumper cables in their trunks to use in an emergency however, jumping a battery on modern cars might not be the best idea. These vehicles have many electronic devices and computers that communicate with one another. A voltage spike when batteries are connected to another one could cause damage to the parts and render your vehicle unusable.

Connect the cables to the vehicle that is operating. Allow it to run for two minutes. Attach the red clip to the positive terminal of the good battery. (It will read "POS" or "+".) Attach the other end to a clear, unpainted metal surface underneath the hood of the damaged vehicle. The engine block is a good option. The black cable is not to be connected to the negative terminal of the dead battery. This could create sparks, which would ignite the gasoline in the engine compartment.

Once the cables are connected, turn on the vehicle that is disabled and allow it to run for around five minutes before disconnecting them in reverse order. Be aware that the battery of your Saab 9-3 is charged when you drive, and it will take a while for the battery to come down. You should purchase another key fob as soon as you can. Replacing the original one that works requires the installation and programming of a new computer chip.

Replacement case

Many saab ignition key replacement owners have only one key for their vehicle and if they lose it, it's going to cost them. It's costly to add the key and also requires replacing the CIM or TWICE in the case of older models. In the event of theft or any other disaster, it is best to have a spare key. Even when the key is "new" it won't work.

Most locksmiths aren't able to help with a single working key and the dealer will charge high fees to replace the computer in your vehicle to make a new replacement saab car keys. However, we can reset and reprogram the computer's EEPROM in order to prepare it to accept an alternative key without replacing the entire system. That can help you save money. It's also cheaper than waiting until you lose your one key.