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Saab Key Programming

saab car keys cars made since 1994 utilize an immobilizer system that relies on a set of keys. 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.

The problem is that it can be quite costly. It is recommended to always have a spare set of keys in your possession.

Transponder key

The transponder key is a piece of hardware with an electronic chip that sends a signal back to the car when it is put into the ignition. The car is able to check whether the signal matches with the one on the key. If the signals are in sync, the car will open and start. This is a fantastic way to protect your car from theft.

Transponder keys can be an extremely popular accessory for cars, but they are not as secure as traditional keys made of metal. While the metal parts of a traditional key could be cut and copied, a transponder is protected by an electronic chip. The chip contains a unique code that is inserted into a car's computer order to identify it.

When a saab 9-3 key programming key fob is used the car recognizes it and allows it to turn on. The car can only recognize the key fob if it is equipped with a chip that is unmodified and programmed to match. The car won't start when the key isn't programmed to match.

It is important to have a spare saab key replacement bristol key. This is particularly true especially if you live in a rural location that has many car thieves. You can get a brand new key for your Saab by going to the dealership without paying high cost. You can have a replacement key made on the spot at a fraction of the price you'd pay at the dealership.

Wired key

Saab cars are typically delivered with two keys. If you only have one, it's a good idea to get an additional key fob as soon as possible in case you lose it, the car will require the replacement of a CIM unit and the locking cylinders have to be replaced. This could be expensive especially if purchasing a used car.

The next step is to wire the wires of the column and row to the microcontroller. This is the most challenging part of the project and will require a great amount of soldering. There isn't a standard way to accomplish this, but it's important to plan out how you will route and solder the rows and columns. For this keyboard, there are 5 rows and 17 columns. This means there will be 22 microcontroller pins and wires to connect.

After the rows and column are soldered together after which it is time to connect the key switches. To do this you must place a diode over each key switch pin and solder it. This will shield the pins that are used for key switches from current and stop them from being shorted. A diode only allows the current to flow in a single direction, and it comes with a the black band as a visual indicator that shows the direction in which current will flow.

Some of the tools you can find at auto parts stores -like the Autel MaxiIM IM608 PRO and IM508 -- can help shop customers or even DIY customers in some cases program replacement keys and restore lost immobilizer data Sanabria says. The tools connect to OBD ports and guide the user through each step which makes the process much easier than replacing the vehicle's computer.

Jump-starting the battery

Most people keep a few sets of jumper cables in their trunks to use in an emergency, but jumping a battery on newer vehicles might not be the best choice. These cars are equipped with a variety of digital and computers that communicate with one another. A surge of voltage when a battery is connected to another one could cause damage to the parts and render your vehicle unusable.

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's good. (It will read "POS" or "+".) Attach the other end to a clean and unpainted metal surface under the hood of your disabled vehicle. The engine block is a good choice. Don't connect the black cable to the negative terminal of the dead battery, as this could cause a spark that ignites the gasoline in the engine bay.

Once the cables are connected, start the vehicle that is disabled and allow it to run for around five minutes before you disconnect the cables in reverse order. Remember that the battery on your Saab 9-3 is charged during your drive, which means it may take some time for the battery to go down. You should invest in a second key fob, when you can. Replacing the one that works requires the installation and programming of a brand new computer chip.

Replacement case

saab key replacement owners often only have one car key, and if it is lost, they'll be charged. The reason is that it's costly to replace a key, and it requires replacing the CIM (Column Integration Module) or TWICE on older models, plus programming. It is best to have a backup key in case of theft or any other catastrophe the best solution is to purchase an extra key as quickly as you can. However, don't purchase a secondhand key even if it's "new." Keys that are claimed as new purchased from third-party sellers won't be effective and are almost guaranteed to fail at the crucial moment.

Most locksmiths aren't able to help with a single working key, and the dealer will charge you top dollar to replace the computer in your car to make a new replacement. We can, however, reset and reprogram the computer's EEPROM to prepare it to accept a new key without replacing the whole system. This could save you lots of money. It's much cheaper than wait until you lose your only key.