Saab Key Programming
Saab cars built since 1994 feature an immobilizer that relies on key codes. A new transponder is required to allow the inclusion of an additional key, and special programming. This is usually done by the dealer using the Tech2 diagnostic tool.
The problem is that this could be extremely expensive. It is always advisable to keep a spare set of keys at hand.
Transponder key
The transponder can be described as a key with an electronic chip. This chip sends a signal when the key is put in the ignition. The car then examines the signal to see whether it is identical to that of the key. If the signals are in sync, the car will open and start. This is a great way
How to program saab 9-3 key fob protect your vehicle from theft.
Transponder keys are a popular feature in automobiles, but you should be aware that they aren't as secure as traditional keys made of metal. While the metal component of a traditional key can be cut and copied the transponder is protected by an electronic chip. The chip contains a unique code that is programmed into a car's computers in order 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 it. Otherwise, the car will reject the key and won't start.
It is important to have a spare Saab key. This is particularly important when you live in a rural region that has many car thieves. The good thing is that you can find a
replacement key for saab 93 key to your Saab without having to go to an auto dealership and pay the hefty prices that they demand. In the majority of instances, you can get a new key created on-the-spot at a fraction of the cost you'd pay at an auto dealer.
Key for Wired
Saab cars are typically delivered with two keys. If you only have one, it's best to acquire an additional key fob as soon as is possible since if you lose it, the car will require the replacement of a CIM unit and the locking cylinders need to be replaced. This can be costly, especially if you are buying a used car.
The next step is to wire the column and row wires to the microcontroller. This is the most difficult part of the project and will require a large amount of soldering. There is no standardized way to accomplish this, however it is essential to determine the route you'll take and solder the rows and columns. There are 22 microcontroller pins and wires to connect for this keyboard. It includes 5 rows and 17 column.
After the columns and rows are soldered together It is now time to connect the key switches. To do this, put a diode across each key switch pin and then solder it. This will shield the pins from current and prevent them from being cut off. A diode lets current only flow in one direction. It features a visual indicator with 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 -- can assist customers at the shop or DIY customers in certain cases create replacement keys and restore the lost immobilizer's data, Sanabria says. The tools plug into the OBD port and automatically guide the user through the process, making it more simple than replacing the computer in the vehicle.
Jumpstarting the battery
Most people keep the set in their trunks to jump start a car in an emergency, however it might not be a good option for vehicles with newer technology. These vehicles are equipped with many digital and computer systems that communicate with each other. A surge in voltage while the battery is connected to another could cause damage to these components and render your car unable to drive.
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 unpainted metal surface beneath the hood of the damaged car. The engine block is a great option. The black cable should not be connected to the negative terminal of the dead battery. This could trigger sparks, which would ignite the gasoline in the engine compartment.
After the cables have been connected, begin the car and let it run for about five minutes. Then, disconnect them in reverse. The battery in the Saab 9-3 will charge as you drive. It will take a while for it to fall back. It is 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 new computer module and a special program to convince it that the lost keys aren't trying to steal the car.
Replacement Case
Many Saab owners have only one key for their car and if they lose that key, it will cost them. The reason is that it's costly to replace a key, and this involves replacing the CIM (Column Integration Module) or TWICE on older models, and programming. It's recommended to have a spare key in the event of theft or any other catastrophe and the best option is to purchase an extra key as soon as you are able to. But don't buy a used key even when it's "new." Keys that are claimed to be new purchased from third-party sellers won't perform and are almost certain to fail in the most critical moment.
Most locksmiths aren't able to help when you only have one working key, and the dealer will charge you top dollar to replace the computer in your car for a replacement. However, we can reset and
how To program saab 9-3 key fob re-program your computer's EEPROM to accept an alternative key without replacing the whole system. This could save you lots of money. It's also less expensive than waiting until you lose your only key.