saab 9-5 key replacement Key Programming

Saab cars manufactured since 1994 feature an immobilizer system based on key codes. Adding an extra key requires a new transponder, as well as special programming. This is usually done by the dealer with a specialized Tech2 diagnostic tool.

It can be costly. Always keep an extra set of keys in your possession.

Transponder key

The transponder key is a piece of hardware equipped with an electronic chip. It transmits a signal to the car when it is put into the ignition. The car then examines the signal to determine whether it is the same as the one on the key. If the signals are in sync the car will then open and start. This is a fantastic way to protect your car from theft.

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

The car will recognize the saab 9-3 key replacement keyfob and permit it to turn on. The car will only recognize the key fob if it is equipped with a chip that is unmodified and programmed to match. The car will not start in the event that the key has not been programmed to match.

It is important to have a spare saab 93 replacement Key key. This is especially true when you live in a rural location where there are many car thieves. You can get a brand new key for your Saab by going to the dealership, without having to pay their high cost. You can get an original key made on the spot at a fraction of what you would spend at a dealership.

Wired key

Saab cars usually come with two keys when they are new. If you only have one, you should get an extra key as soon as you can. This is because if you lose it, the car will need an entirely new CIM and the locking cylinders replaced. This can be costly, especially for used cars.

The next step is connecting the wires for columns and row to your microcontroller. This is the toughest part of the project and will require a lot of soldering. It's not a standard way to go about it, but you need to plan how to get a saab replacement key to connect and solder each column and row. For this keyboard, there are five 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 joined after which it is time to connect the key switches. To do this, you need to place an inverter over each pin of the key switch and then solder it. This will protect the pins on the key switch from current and keep them from being shorted. A diode can only allow the current to flow in a single direction, and has a an indicator in black that indicates the direction current will flow.

Some of the tools available at auto parts stores -like the Autel MaxiIM IM608 Pro and IM508 -- could aid shop customers or DIY customers in certain instances replace keys in the program and restore lost immobilizer data, Sanabria says. The tools connect to the OBD port and guide the customer through the process, making it more simple than replacing the computer in the vehicle.

Jump-starting the battery

A lot of people keep an assortment of tools in their trunks to jump-start their vehicle in the event of an emergency, however it might not be a good idea for newer cars. They have numerous digital and electronic devices that communicate with each other. A surge of voltage when a battery is connected to another could cause damage to the components, rendering your car undriveable.

Connect the cables to the vehicle operating. Let it run for two minutes. Attach the red clip on the positive terminal of the battery that's good. (It will read "POS" or "+".) Attach the other end to a clean unpainted metal surface under the hood of the affected car. The engine block is an excellent alternative. The black cable is not to be connected to the negative terminal of the dead battery. This could result in sparks, which could ignite gasoline in the engine compartment.

Once the cables are connected, turn on the vehicle you are not using and let it run for about five minutes before you disconnect them in reverse order. The battery in your Saab 9-3 will be recharged while you drive. It will take a while for it to drop back down. It's a good idea to purchase a spare fob as soon as you can, since replacing the one that works requires the installation of a brand new computer module and a special program to convince it that your missing keys aren't attempting to steal the car.

Replacement case

Saab owners typically only have one car key, and if it is lost, they will be charged. It's expensive to add an additional key and it requires replacing the CIM or TWICE for older models. It's best to have a spare key in case of theft or any other catastrophe and the best option is to purchase a second key as early as you can. Don't buy a secondhand key even when it's "new." Keys that are claimed-new from aftermarket sellers will not be effective and are almost guaranteed 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 high prices to replace the computer in your car to create a replacement saab 9-3 key. We can, however, reset and re-program your computer's EEPROM in order to prepare it to accept a new key without replacing the entire system. That can save you lots of money. It's also a lot cheaper than waiting until you lose your sole key.