saab 93 key fob replacement Key Programming

Saab cars manufactured since 1994 feature an immobilizer mechanism based on coded keys. In order to add a second key, it requires the purchase of a new transponder as well as special programming. This is usually done by the dealer using a Tech2 diagnostic tool.

It can be costly. This is why you should always have a spare key available.

Transponder key

The transponder key is a piece of hardware equipped with an electronic chip. It sends a signal to the car when it is placed in the ignition. The car will check to see if the signal matches the one on the key. If the signals are identical the car will then unlock itself and begin. This is a great method to avoid car theft and keep your car secure from thieves.

Transponder keys are a common feature in vehicles, but you must be aware that they are not as secure as classic metal keys. The metal part of the traditional key can be easily cut and copied, whereas a transponder has an electronic chip that protects it. The chip is equipped with an individual code that is programmed into the car's computers to identify it.

When a Saab key fob is used, the car recognizes it and allows it to turn on. The car can only recognize the key fob if the device has a chip that is unmodified and has been programmed to match. Otherwise, the car would reject the key and refuse to start.

It is crucial to have a spare Saab key. This is particularly important if you live in a rural region where there are a lot of car burglars. You can get a new key for your saab ignition key (more..) by going to the dealership and not paying their expensive costs. You can get the replacement key on the spot at a fraction of the price you'd pay at an auto dealer.

Wired key

saab 9-3 key fob programming cars typically come with two keys when they are new. If you have only one, it is best to acquire an extra key fob as soon as is possible in case you lose it the car will require an entirely new CIM unit and the locking cylinders need to be replaced. This can be costly especially for cars that are used.

The next step is to connect the wires of the column and row to the microcontroller. This is the most challenging part of the project and will require a great amount of soldering. There is no standardized way to accomplish this, but it is crucial to plan the route you'll take and solder the columns and rows. There are 22 microcontroller wires and pins that you can connect to this keyboard. It includes 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 that are used for key switches from current and stop them from being shorted. A diode lets current only flow in only one direction. It comes with a visual indicator with a black band that indicates the direction in which current will flow.

Some of the tools offered at auto parts stores- such as the Autel MaxiIM IM608 PRO and IM508 -- may help shop customers or even DIY users in some cases create replacement keys and restore the lost immobilizer's data, Sanabria says. The tools connect to the OBD port and guide the user through the process, making it more simple than replacing the computer in the vehicle.

Jump-starting the battery

The majority of people have an item in their trunks to start a car in case of emergency, but it might not be the best idea for newer cars. These vehicles are equipped with numerous digital and computers that communicate with each other. A surge in voltage while a battery is hooked up to another can fry these components, rendering your car undriveable.

Connect the cables to the vehicle that is working. Allow it to run for two minutes. Attach the red clip to the positive terminal on the battery that is good (it will have "POS" or "+" on it). Attach the other end to a clean and unpainted metal surface underneath the hood of your disabled vehicle. 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 cause sparks, which could ignite the gasoline that is in the engine compartment.

Once the cables are connected, you can start the vehicle that is disabled and let it run for about five minutes before you disconnect the cables in reverse order. Be aware that the battery in your Saab 9-3 is charged when you drive, so it may take some time for the battery how to get a saab replacement key go back to normal. You should invest in a second key fob, as soon as possible. Replacing the only one that works requires the installation and programming of a new computer chip.

Replacement case

Many Saab owners have only one key for their vehicle 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 in the case of older models. It is best to have a backup key in case of theft or other disaster, and the best way is to purchase an additional key as quickly as you can. But don't buy a used key even the case that it's "new." Keys that are claimed-new from sellers selling aftermarket keys won't work and are almost guaranteed to fail in the most critical moment.

The dealer will charge the highest dollar for only one working key. We can reset and reprogram the EEEPROM of your computer for it to accept a new key without replacing the entire system. This could save you a great deal of money. It's much cheaper rather than wait until you loose the only key.