15 Amazing Facts About Saab Ignition Key Replacement
Saab Key Programming
Saab cars manufactured since 1994 feature an immobilizer system that relies on key codes. A new transponder is required for addition of a second key, and special programming. This is usually done by the dealer with a specialized Tech2 diagnostic tool.
It can be costly. This is why it is important to always have a spare key at hand.
Transponder key
The transponder is a key with an electronic chip. This chip sends out a signal when the key is placed into the ignition. The car will then check the signal to determine whether it is identical to the one that is in the key. If the signals are in sync the car will then unlock and begin. This is a great method to deter car theft and keep your car secure from thieves.
Transponder keys may be a popular addition to automobiles, but they are not as safe as traditional keys made of metal. The metal component of a traditional keys can be easily copied and cut, but the transponder is protected by an electronic chip that guards it. The chip has a unique code that is programmed into a car's computer in order to identify it.
The car will recognize the Saab keyfob and permit it to be turned on. The car can only recognize the key fob if it has a chip that is unmodified and has been programmed to match. The car will not start if the key is not programmed to match.
It's crucial to ensure that you have an extra key for your Saab. This is particularly important especially if you live in a rural area with numerous car thieves. The good thing is that you can find a new key for your Saab without needing to visit a dealer and pay the high costs that they ask. You can have a replacement key made on the spot for less than half what you would spend at the dealership.
Key for Wired
Saab cars usually come with two keys when they are new. If you only have one, it's a good idea to get an additional key fob as soon as is possible in case you lose it the car will require the replacement of a CIM unit and the locking cylinders need to be replaced. This could be expensive, especially if you are purchasing a used vehicle.
The next step is to connect the wires for columns and row to your microcontroller. This is the most challenging part of the project and will require a good amount of soldering. There's no standard way to go about it, but you should think about how to route and solder each column and row. There are 22 microcontroller pins and wires to connect to this keyboard. It has 5 rows and 17 column.
After the columns and rows are soldered together, it is time to connect the key switches. Solder a diode on each key switch pin. This will shield the pins from current, and prevent them from getting shorted. A diode permits current to only flow in one direction. It comes with a visual indicator, a black band, that shows the direction in which the current will flow.
Some of the tools you can find at auto parts stores -like the Autel MaxiIM IM608 Pro and IM508 -- could help customers in the shop, or even DIY users in some cases replace keys in the program and restore lost immobilizer information, Sanabria says. The tools connect to the OBD port and guide the user through the procedure, making it simpler than replacing the computer inside the vehicle.
Jump-starting the battery
A lot of people keep a set of jumper cables in their trunk for emergencies however, jumping a battery in newer automobiles might not be the best choice. These vehicles are equipped with electronic devices and computers that communicate with each other. A voltage spike when the battery is connected to another can fry the components and render your vehicle unable to drive.
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 battery that is good. (It will read "POS" or "+".) Attach the other end to a clear, unpainted metal surface under the hood of your disabled car. The engine block is a good choice. Do not connect the black cable to the negative terminal on the dead battery, since this could cause a spark that ignites the gasoline in the engine bay.
Once the cables are connected, you can start the car and allow it to run for around five minutes. Then, disconnect them in reverse. The battery in your Saab 9-3 will recharge while you drive. It may take a while it to return to its original state. It's a good idea to invest in a spare key fob as soon as you can, because replacing the only working one requires the installation of a brand new computer module and special programming to convince it that the lost keys aren't in the process of trying to steal the car.
Replacement Case
Saab owners usually have only one car key, and if that is lost, they will be charged. It's expensive to buy an additional key and it requires replacing the CIM or TWICE in the case of older models. In the event of theft or other catastrophe it is advisable to have a spare key. However, don't purchase a secondhand key, even the case that it's "new." saab 9-5 key replacement that are claimed to be new from sellers selling aftermarket keys won't perform and are almost certain to fail at the critical moment.
Most locksmiths cannot help you if you have only one working key and the dealer will charge you for the cost of replacing the computer in your vehicle for a replacement. We can reset and reprogram the computer's EEEPROM to get it ready to accept a new key without the need to replace the entire system. This could save you a great deal of money. It's also much less expensive than waiting until you lose the only key.