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9 Signs That You're A Saab Ignition Key Replacement Expert
Saab Key Programming

Saab cars built from 1994 have an immobilizer system that is based on key codes. A new transponder is required for the inclusion of an additional key, as well as special programming. This is usually done at the dealer with a specialized Tech2 diagnostic tool.

It can be costly. It is always advisable to keep an extra set of keys on hand.

Transponder key

The transponder key is a piece of hardware with an electronic chip that sends a signal to car when it is inserted into ignition. The car is able to check if the signal matches the one on the key. If the signals match the car will then open and start. This is a fantastic way to protect your vehicle from theft.

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

When a Saab key fob is used, the car recognizes it and allows it to turn on. However, it will only do so if the key fob is unmodified and has a chip that has been programmed to match. Otherwise, the car would reject the key and refuse to start.

It is vital to have an extra Saab key. This is particularly important when you live in a rural location where there are many car thieves. You can get a new key for your Saab by visiting the dealership without paying their pricey costs. In the majority of cases, you can have a new key created on-the-spot at a fraction of the cost of what you would pay at a dealer.

Wired key

Saab cars usually come with two keys when new. If you have only one, it is an ideal idea to purchase an additional key fob as soon as is possible, because if you lose it the car will require a new CIM unit and the locking cylinders have to be replaced. This can be costly particularly if you are buying a used car.

The next step is to connect the wires for the column and row to the microcontroller. This is the most tedious part of the project and will require lots of soldering. There isn't a standard way to accomplish this, however it's important to plan out the routes you'll use to solder the rows and columns. For this keyboard, there are 5 rows and 17 columns, so there will be 22 microcontroller wires and pins that you need to connect.

After the rows and column are soldered together It is now time to connect the key switches. To do this, put an inverter over each pin on the key switch and solder it. This will shield the pins from current and prevent them from getting shorted. A diode lets current only flow in one direction. It is equipped with a visible indicator of a black line that indicates the direction in which current will flow.

Sanabria says that some of the tools that are sold in auto parts stores, including the Autel MaxiIM IM608PRO and IM508 will assist customers shopping or DIY users to program replacement keys and restore immobilizer information. The tools plug into OBD ports and guide the user through each step making the process simpler than replacing the car's computer.

Jumpstarting the battery

A lot of people keep an item in their trunk to start a vehicle in an emergency, but it might not be the best option for vehicles with newer technology. These cars have a variety of digital and computer systems that communicate with one another. A surge in voltage when a battery is hooked up to another can fry the components and render your car undriveable.

Connect the cables to the vehicle operating. Allow it to 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 of the black cable to an unpainted, clean metal surface beneath the damaged car's hood. The engine block is an ideal choice. The black cable is not to be connected to the negative terminal of the dead battery. This could trigger sparks, which could ignite the gasoline inside the engine compartment.

Once the cables are connected, you can start the car and allow it to run for around five minutes. Then disconnect the cables in reverse. The battery in your Saab 9-3 is recharged while you drive. saab 9-3 key replacement G28 Car Keys will take a while for it to drop back down. It's a good idea to invest in a spare key fob as soon as you can, since replacing the sole working one requires the installation of a brand new computer module and special programming to convince it that your missing keys aren't attempting to steal the car.

Replacement Case

Many Saab owners only have one key for their vehicle and if they lose it, the cost will be. The reason for this is that it's not cheap to add a new key, and this involves replacing the CIM (Column Integration Module) or TWICE on older models, in addition to programming. It's recommended to have a spare key in case of theft or any other catastrophe and the most effective way is to buy an extra key as soon as you can. Even it's "new", it will not function.


The dealer will charge you top dollar if you only have one working key. We can reset and reprogram the EEEPROM of your computer to make it ready to accept a new key without replacing the entire system. This can save you a lot of money. It's more affordable instead of waiting until you lose the only key.

Read More: https://www.g28carkeys.co.uk/saab-car-key-replacements-near-me/