Five Killer Quora Answers To Saab Ignition Key Replacement

Saab Key Programming

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

The issue is that it can be very costly. It is always advisable to keep an extra set of keys in your possession.

Transponder key

The transponder is a type of key with an electronic chip. The chip transmits a signal when the key is put into the ignition. The car then examines the signal to determine if it matches the one that is in the key. If both signals match the car will be able to unlock itself and start. This is a great way to guard your car against theft.

Transponder keys can be an extremely popular accessory for automobiles, but they are not as safe as traditional metal keys. The metal component of the traditional key can easily be cut or copied, while transponders are protected by an electronic chip that safeguards it. The chip contains a unique code which is programmed into a car's computer in order to identify it.

When a saab key fob programming key fob is used the car recognizes it and allows it to turn on. However, it is only able to do this if the fob has an unmodified chip that has been programmed to match the original. The car won't start if the key is not programmed to match.

It is vital to have an extra Saab key. This is especially important if you live in a rural area where there are numerous car thieves. You can purchase a new key for your saab spare key by going to the dealership, without having to pay their expensive prices. You can have an original key made on the spot for less than half what you would pay at a dealership.

Key for Wired

Saab cars typically come with two keys when they're new. If you have only one, it is an ideal idea to purchase an additional key fob as soon as possible, because if you lose it, the car will require an entirely new CIM unit and the locking cylinders will have to be replaced. This can be expensive especially for cars that are used.

The next step is to connect the row and columns wires to your microcontroller. This is the most tedious aspect of the project and it will require lots of soldering. There's no standard way to do it, however, you should consider how you will route and solder each column and row. There are 22 microcontroller wires and pins that you can connect for this keyboard. It has five rows and 17 columns.

After the columns and rows are soldered together after which it is time to connect the key switches. Solder a diode to each key switch pin. This will protect the pins from current, preventing them from getting shorted. A diode permits current to only flow in only one direction. It features a visual indicator that is black, that shows the direction in which the current will flow.

Sanabria says that a few of the tools offered in auto parts stores, such as the Autel MaxiIM IMM608PRO and IM508, can help shoppers or DIY customers to program replacement keys and restore data from the immobilizer. The tools connect to the OBD port and automatically guide the user through the process, making it more simple than replacing the computer inside the vehicle.

Jumpstarting the battery

Most people keep a set of jumper cables in their trunk to use in an emergency however, jumping a battery for newer vehicles may not be the best choice. These cars are equipped with a variety of digital and computers that communicate with each other. A surge in voltage when batteries are connected to another one could cause damage to the parts and render your vehicle unusable.

Start the working vehicle and allow it to run for around two minutes before connecting the cables to the non-working one. Attach the red clip to the positive terminal of the good battery (it will have "POS" or "+" on it). Attach the other end to a clean unpainted metal surface beneath the hood of the disabled car. The engine block is a good option. Do not connect the black cable to the negative terminal on the dead battery, as it could spark a spark that ignites the gasoline in the engine bay.

Once the cables are connected, you can start the vehicle you are not using and let it run for about five minutes before you disconnect the cables in reverse order. Remember that the battery on your Saab 9-3 is recharged when you drive, and it may take some time to get the battery back to normal. It's a good idea to purchase a spare fob as soon as you can, because replacing the only functioning one requires the installation of a brand new computer module and a special program to convince the system that your lost keys aren't in the process of trying to steal the car.

Replacement case

Many saab 9-5 key replacement owners only have one key for their car and if they lose that it's going to cost them. It's expensive to buy a key and requires replacing the CIM or TWICE for older models. In the event of theft or any other catastrophe it is best to have a spare key. But don't buy a used key, even if it's "new." Claimed-new keys from a second-hand store will not be effective and are almost guaranteed to fail in the crucial moment.

The dealer will charge you top dollar if you only have one working key. However, we can reset and reprogram the computer's EEPROM to accept a new key without replacing the entire system. This can save you a lot of money. It's also much less expensive than waiting until you lose your only key.