Saab Key Programming

Saab cars built since about 1994 feature an immobilizer mechanism based on coded keys. In order to add a second key, it requires the purchase of a new transponder as well as special programming. This is usually done by the dealer using the Tech2 diagnostic tool.

It can be costly. It is recommended to always have a spare set of keys available.

Transponder key

The transponder key is a key equipped with an electronic chip. It sends a signal to car when it is put into the ignition. The car then analyzes the signal to determine whether it is identical to the one on the key. If the signals match it will unlock and start. This is a great way to protect your vehicle from theft.

Transponder keys are a common feature in cars, but you should be aware they are not as secure as classic metal keys. The metal portion of a traditional keys can be easily cut and copied, however the transponder is protected by an electronic chip that guards it. The chip is a unique code that is inserted into a car's computer in order to identify it.

The car will recognize the saab ignition key replacement keyfob and permit it to turn on. The car will only recognize the key fob when it has a chip that is unmodified and programmed to match. Otherwise, the car would reject the key and not start.

It is essential to ensure that you have an extra key for your Saab key Fob Repair. This is especially true if you live in a rural region where there are a lot of car burglars. The good thing is that you can find a replacement key to your Saab without having to go to an auto dealer and pay the expensive prices that they charge. In most cases, you can have an original key made on the spot at a fraction of the price of what you would pay at the dealer.

Key for Wired

saab ignition key replacement cars typically come with two keys upon purchase. If you only have one, it is an ideal idea to purchase an extra key fob as soon as possible, because if you lose it, your car will require a new CIM unit and the locking cylinders have to be replaced. This can be expensive particularly for used cars.

The next step is connecting the wires for columns and row to your microcontroller. This is the most difficult part of the project and requires a significant amount of soldering. There's no standard way to do it, but you need to think about how to route and solder each column and row. For this keyboard, there are 5 rows and 17 columns. This means there will be 22 microcontroller wires and pins that you need to connect.

After the rows and column are soldered together, it is time to connect the key switches. Solder a diode to each key switch pin. This will shield the pins from current and prevent them from getting shorted. A diode allows current to only flow in only one direction. It has a visual indicator, a black band, that indicates which direction current will flow.

Sanabria says that some of the tools that are sold in auto parts stores, like the Autel MaxiIM IM608PRO or IM508, can help customers who are shopping or DIY users to program replacement keys and restore data from the immobilizer. The tools connect to OBD ports and guide the user through each step which makes the process much easier than replacing the car's computer.

Jumpstarting the battery

A lot of people keep a set of jumper cables in their trunks in case of emergency however, jumping a battery in newer automobiles might not be the best idea. These cars are equipped with a variety of computers and digital devices which communicate with each other. A voltage spike when the battery is connected to another could cause damage to these components and leave your car unable to drive.

Start the working vehicle and allow it to run for approximately two minutes before connecting the cables to the non-working one. Attach the red clip to the positive terminal of the good battery (it will have "POS" or "+" on it). Attach the other end of the black cable to a clean, unpainted metal surface underneath the vehicle's hood. An engine block is an excellent choice. Don't connect the black cable to the negative terminal on the dead battery because this could cause a spark that ignites the gasoline in the engine bay.

Once the cables are connected, you should begin the car and let it run about five minutes. Then, disconnect the cables in reverse. The battery in your Saab 9-3 is recharged as you drive. It will take a while for it to return to its original state. You should invest in an additional key fob as soon as possible. Replacing the original one that works requires the installation and programming of a new computer chip.

replacement saab car keys case

saab key battery replacement owners usually only have one car key, and if it is lost, they'll be charged. The reason is that it's not cheap to replace a key, and it involves replacing the CIM (Column Integration Module) or TWICE on older models, plus programming. In the event of theft, or any other calamity it is advisable to have a spare key. However, don't purchase a secondhand key, even it's "new." Claimed-new keys from sellers selling aftermarket keys won't be effective and are almost guaranteed to fail in the crucial moment.

Most locksmiths aren't able to help with a single working key, and the dealer will charge high prices to replace the computer in your vehicle for a replacement. We can, however, reset and re-program your computer's EEPROM in order to prepare it to accept an alternative key without replacing the entire system. This can help you save money. It's more affordable than waiting until you lose the sole key.