What Freud Can Teach Us About Saab Ignition Key Replacement
Saab Key Programming
Saab cars manufactured since 1994 feature an immobilizer system based on keys that are coded. A new transponder is required to allow the addition of a second key, and special programming. This is usually done by the dealer using a Tech2 diagnostic tool.
It can be costly. This is the reason why you should always have a spare key on hand.
Transponder key
The transponder is a type of key equipped with an electronic chip. The chip sends a signal when the key is inserted into the ignition. The car will check to see if the signal matches the one on the key. If the signals are the same it will open itself and begin. This is a great way to avoid car theft and keep your vehicle safe from thieves.
Transponder keys are a favored feature in cars, but you should be aware they are not as secure as traditional keys made of metal. While the metal parts of a conventional key can be cut and copied however, a transponder is secured by an electronic chip. The chip is equipped with a unique code that is programmed into the car's computer to identify it.
The car will recognize the Saab keyfob and allow it to turn on. However, it is only able to do this if the fob has a non-modified chip that has been programmed to match. The car will not start in the event that the key is not programmed to match.
It's important to make sure that you have an extra key for your Saab. This is particularly important when you live in a rural location where there are a lot of car burglars. The good news is that it's possible to obtain a replacement key for your Saab without having to go to a dealership and pay the hefty prices they ask. You can get a replacement key made on the spot for less than half of what you would spend at a dealership.
Key for Wired
Saab cars typically come with two keys upon purchase. If you only have one, it's an ideal idea to purchase an extra key fob as soon as possible, because if you lose it, your car will require the replacement of a CIM unit, and the locking cylinders will have to be replaced. This can be costly especially if purchasing a used vehicle.
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 requires a significant amount of soldering. There isn't a standard way to accomplish this, however it is important to think about the route you'll take and solder the rows and columns. For this keyboard, there are 5 rows and 17 columns, so there will be 22 microcontroller wires and pins to connect.
Once the rows and columns are soldered, it's time to connect them to the key switches. To do this, put a diode over each key switch pin and solder it. This will protect the pins of the key switch from current and also prevent them from being shorted. A diode permits current to only flow in only one direction. It has a visual indicator that is black, that indicates the direction in which current will flow.
Sanabria states that some of the tools 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 data. The tools connect to the OBD port and guide the user through the process, making it easier than replacing the computer in the vehicle.
Jump starting the battery
The majority of people have an assortment of tools in their trunks to start a vehicle in the event of an emergency, but it may not be the best option for vehicles with newer technology. These vehicles are equipped with a number of computers and digital devices that communicate with one another. A surge of voltage when a battery is connected to another could cause damage to the components making your car inoperable.
Connect the cables to the vehicle working. Let it run for two minutes. Attach the red clip to the positive terminal of the battery that's good. (It will say "POS" or "+".) Attach the other end to a clean and unpainted metal surface underneath the hood of the damaged car. The engine block is a good alternative. The black cable is not to be connected to the negative terminal of the dead battery. This could trigger sparks that could ignite the gasoline inside 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 the cables in reverse order. The battery in the Saab 9-3 will charge while you drive. It will take some time for it to fall back. It is a good idea to purchase a spare fob as soon as you can, since replacing the one that works requires the installation of a new computer module and special programming to convince it that your missing 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 add a key and requires replacing the CIM or TWICE in the case of older models. In the event of theft or any other catastrophe it is recommended to have an extra key. Even it's "new", it won't work.
Most locksmiths cannot help you with a single working key and the dealer will charge top dollar to replace the computer in your car for a replacement. We can reset and reprogram the computer's EEEPROM for it to accept a new key without replacing the entire system. This can save you a significant amount of money. how to program saab 9-3 key fob to do this instead of waiting until you lose your only key.