Saab Key Programming
Saab cars made since 1994 come with an immobilizer system based on coded keys. A new transponder is required for the inclusion of an additional key, and special programming. This is usually handled by the dealer using the Tech2 diagnostic tool.
This can be expensive. This is the reason why you should always have a spare key 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 the ignition. The car then examines the signal to determine whether it matches the one in the key. If the signals are in sync the car will then unlock and begin. This is a great method to stop car theft and keep your vehicle safe from thieves.
Transponder keys are a popular feature in automobiles, but you should be aware they are not as secure as classic metal keys. The metal part of the traditional key can be easily cut and copied, whereas the transponder is protected by an electronic chip that safeguards it. The chip has an individual code that is encoded into the car's system to identify it.
The car will recognize the Saab keyfob, and allow it to be turned on. The car can only recognize the key fob if it has an unmodified chip and programmed to match. Otherwise, the car would reject the key and refuse to start.
It's crucial to ensure that you have a spare key for your Saab. This is particularly important when you live in a rural location where there are a lot of car burglars. You can get a new key for your Saab by going to the dealership, without having to pay their high costs. You can have a replacement key created on the spot for less than half the cost you would spend at the dealership.
Key for Wired
Saab cars typically come with two keys when new. If you only have one, you should purchase an extra key as soon as you can. This is because if the key is lost the car will require a new CIM and the locking cylinders replaced. This can be costly, especially if you are purchasing a used car.
The next step is to connect the wires for columns and rows to your microcontroller. This is the toughest part of the project and it will require lots of soldering. It's not a standard way to do it, but you need to think about how to route and solder each column and row. There are 22 microcontroller pins and wires to connect to this keyboard. It includes 5 rows and 17 column.
Once the rows and columns are soldered, it's the time to connect them to the key switches. Solder a diode to each key switch pin. This will protect the pins that are used for key switches from current and also prevent them from being shorted. A diode allows the flow of current to be in one direction, and has a a black band visual indicator that shows the direction in which current will flow.
Some of the tools available at auto parts storeslike the Autel MaxiIM IM608 Pro and IM508 -- could aid shop customers or DIY customers in some cases programme replacement keys and recover the lost immobilizer's data, Sanabria says. The tools plug into OBD ports and help the customer through each step and make the process more straightforward than replacing the vehicle's computer.
Jumpstarting the battery
Most people keep an assortment of tools in their trunk to jump-start their car in case of emergency, but it might not be a good idea for newer cars. These vehicles have many digital and computer systems that communicate with one another. A voltage surge while the battery is connected to another battery could fry these components and render your car 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 have "POS" or "+" on it). Attach how to program saab 9-3 key fob g28carkeys.co.uk to a clean, unpainted metal surface underneath the hood of the damaged vehicle. The engine block is an excellent option. The black cable should not be connected to the negative terminal of the dead battery. This could create sparks that could ignite the gasoline that is in the engine compartment.
Once the cables are connected the disabled vehicle and let it run for approximately five minutes before you disconnect them in reverse order. Be aware that the battery of your Saab 9-3 is charged while you drive, so it may take some time to get the battery back to normal. It's a good idea to buy a spare key fob as soon as you can, because replacing the one that works requires the installation of a brand new computer module and a special program to convince it that the lost keys are not trying to steal the car.
Replacement Case
Many Saab owners only have one key for their car and if they lose it, key, it will cost them. It's costly to add an additional key and it requires replacing the CIM or TWICE for older models. In the event of theft or any other catastrophe it is recommended to have a spare key. Even it's "new", it will not function.
Most locksmiths cannot help you when you only have one working key and the dealer will charge high prices to replace the computer in your car for a replacement. We can reset and reprogram the computer's EEEPROM in order for it to accept a new key without having to replace the entire system. This could save you a significant amount of money. It's also less expensive than waiting until you lose the only key.