5 Killer Quora Answers On Saab Ignition Key Replacement

Saab Key Programming

Saab cars made since 1994 feature an immobilizer mechanism that is based on codes for 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 with a specialized Tech2 diagnostic tool.

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

Transponder key

The transponder is a piece of key with an electronic chip. The chip sends a signal when the key is inserted in the ignition. The car will check to see whether the signal matches the one on the key. If both signals match the car will then unlock itself and start. This is an excellent way to protect your vehicle from theft.

Transponder keys are a common feature in automobiles, but it is important to know that they are not as secure as traditional keys made of metal. While the metal portion of a conventional key can be cut and copied however, a transponder is secured by an electronic chip. The chip has a unique code that's programmed into a car's computer in order to identify it.

When a Saab Ignition key Replacement key fob is used the car recognizes it and allows it to turn on. However, it will only do this if the fob has an unmodified chip that has been programmed to match it. In the absence of that, the car will reject the key and won't start.

It is essential to ensure that you have a spare key for your saab keys. This is particularly true when you live in a rural location that has numerous car thieves. The good part is that you can find a new key for your saab 9-3 replacement key without having to go to an auto dealership and pay the high prices they ask. In most instances, you can get a new key created on-the-spot for less than half the cost you'd pay at an auto dealer.

Wired key

saab 93 key fob cars usually come with two keys when new. If you only have one, you should purchase an additional key as quickly as you can. This is because, if it's lost and the car is damaged, it will require a new CIM and the locking cylinders replaced. This could be expensive especially if you're buying a used car.

The next step is to wire the column and row wires to the microcontroller. This is the most difficult part of the project, and will require lots of soldering. It's not a standard way to go about it, but you should think about how to route and solder each column and row. For this keyboard, there are 5 rows and 17 columns. So there will be 22 microcontroller wires and pins that you need to connect.

After the columns and rows are soldered together, it is time to connect the key switches. Solder a diode to each key switch pin. This will shield the key switch pins from current and prevent 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 shows the direction in which the current will flow.

Some of the tools you can find at auto parts storeslike the Autel MaxiIM IM608 PRO and IM508 -- can help customers in the shop, or even DIY customers in certain instances program replacement keys and restore lost immobilizer data, Sanabria says. The tools plug into the OBD port and guide the customer through the procedure, making it simpler than replacing the computer inside the vehicle.

Jumpstarting the battery

The majority of people have a set of jumper cables in their trunk to use in an emergency however, jumping a battery on newer vehicles may not be the best option. These vehicles are equipped with a number of digital and computer systems that communicate with one another. A surge of voltage when a battery is connected to another one could cause damage to the parts and render your vehicle unusable.

Start the vehicle that is working and allow it to run for approximately two minutes before connecting the cables to the disabled one. Attach the red clip to the positive terminal of the good battery. (It will read "POS" or "+".) Attach the other end to a clear, unpainted metal surface underneath the hood of the affected vehicle. The engine block is an excellent alternative. Don't connect the black cable to the negative terminal on the dead battery as this could trigger an ignition source that ignites gasoline in the engine bay.

Once the cables are connected, you should start the vehicle and let it run for about five minutes. Then, disconnect them in reverse. Remember that the battery on your Saab 9-3 is recharged when you drive, so it could take a while for the battery to go back to normal. It's a good idea to buy a spare key fob as soon as you can, since replacing the sole working one requires the installation of a new computer module and special programming to convince the system that your lost keys aren't in the process of trying to steal the car.

Replacement case

Many Saab owners only have one key for their vehicle and if they lose it, it's going to cost them. It's costly to add a key and requires replacing the CIM or TWICE in the case of older models. It is recommended to have a spare key in the event of theft or other disaster the best solution is to purchase an additional key as early as you can. Don't purchase a used key even if it's "new." Keys that are claimed-new from a second-hand store will not work and are likely to fail in the crucial 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 vehicle to create a replacement. We can, however, reset and re-program the computer's EEPROM to prepare it to accept the new key without having to replace the whole system. That can help you save money. It's also much less expensive than waiting until you lose your only key.