5 Killer Quora Answers On Saab Ignition Key Replacement

saab key battery replacement Key Programming

saab car key replacement cars built since about 1994 come with an immobilizer system made up of coded keys. A new transponder is required for addition of a second key, as well as special programming. This is usually done by the dealer, using a specially-designed Tech2 diagnostic tool.

It can be costly. It is always advisable to keep a spare set of keys on hand.

Transponder key

The transponder is a type of key with an electronic chip. The chip sends a signal when the key is placed into the ignition. The car checks to see whether the signal matches with the one on the key. If the signals are the same it will open itself and begin. This is a great method to stop auto theft and keep your car secure from thieves.

Transponder keys can be a popular addition to cars, but they're not as secure as traditional metal keys. While the metal parts of a traditional key could be cut and copied but a transponder key is protected by an electronic chip. The chip contains a unique code that's programmed into a car's computer order to identify it.

When a Saab key fob is used the car recognizes it and allows it to turn on. But, it's only able to do this if the fob is unmodified and has a chip that has been programmed to match. The car won't start when the key isn't programmed to match.

It is crucial to have an extra saab 9-3 key fob replacement key. This is particularly important for those who live in a rural location that has numerous car thieves. The good part is that you can get a replacement key for your Saab without needing to visit an auto dealership and pay the high prices that they demand. You can get a replacement key made on the spot for less than half the cost you would pay at the dealership.

Key for Wired

Saab cars usually come with two keys when they are new. If you have only one, it is recommended to purchase an additional key fob as soon as possible as if you lose it, your car will require the replacement of a CIM unit, and the locking cylinders will need to be replaced. This could be expensive, especially if you are buying a used car.

The next step is to connect the wires of columns and row to your microcontroller. This is the most difficult part of the project and will require a good amount of soldering. It's not a common way to go about it, but you need to think about how to route and connect each column and row. There are 22 microcontroller wires as well as pins to connect for this keyboard. It has 5 rows and 17 column.

After the columns and rows are soldered, it's time to connect them to key switches. Solder a diode to each key switch pin. This will protect the pins of the key switch from current and prevent them from being shorted. A diode lets current only flow in one direction. It features a visual indicator that is black, that indicates which direction current will flow.

Some of the tools offered at auto parts stores -like the Autel MaxiIM IM608 Pro and IM508 -- could assist customers at the shop or DIY customers in certain cases program replacement keys and restore the lost immobilizer's data, Sanabria says. The tools plug into the OBD port and guide the user through the process, making it easier than replacing the computer inside the vehicle.

Jump-starting the battery

Most people keep a set of jumper cables in their trunk for emergency situations, but jumping a battery in newer vehicles might not be the best choice. These vehicles are equipped with digital and computers that communicate with each other. A voltage spike when the battery is connected to another could cause damage to the components and render your car unable to drive.

Connect the cables to the vehicle working. Allow it to 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 of the black cable to a clean, unpainted metal surface underneath the disabled car's hood. The engine block is a good option. The black cable is not to be connected to the negative terminal of the dead battery. This could create sparks, which would ignite gasoline in the engine compartment.

Once the cables are connected, you need to begin the car and let it run about five minutes. Then, disconnect the cables in reverse. The battery in your Saab 9-3 will be recharged while you drive. It takes a while for it to return to its original state. It is recommended to purchase a second key fob, as soon as you can. The replacement of the 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, the cost will be. It's expensive to add an additional key and it requires replacing the CIM or TWICE in the case of older models. It's best to have a second key in case of theft or any other catastrophe, and the best way is to purchase an additional key as soon as you can. Even if the key is "new" it won't work.

Most locksmiths can't help you with a single working key, and the dealer will charge high prices to replace the computer in your vehicle to make a replacement. We can reset and reprogram the computer's EEEPROM for it to accept a replacement key without having to replace the entire system. This can save you a lot of money. It's also cheaper than waiting until you lose the only key.