Saab Key Programming

saab 9-3 key fob replacement cars made since 1994 come with an immobilizer system made up of coded keys. A new transponder is required in order to enable the addition of a second key, as well as special programming. This is usually done by the dealer with a specialized Tech2 diagnostic tool.

It can be costly. This is why it is important to always have a spare key at hand.

Transponder key

The transponder is a piece of key with an electronic chip. The chip transmits a signal when the key is inserted into the ignition. The car then checks the signal to see whether it is the same as the one in the key. If the signals match the car will then open and start. This is a fantastic way to protect your vehicle from theft.

Transponder keys are a popular addition to automobiles, but they are not as secure as traditional keys made of metal. While the metal parts of a traditional key can be cut and copied however, a transponder is secured by an electronic chip. This chip contains an unique code that's programmed into a car's computers in order to identify it.

When a Saab key fob is used the car recognizes it and allows it to turn on. However, it can only do so if the key fob has an unmodified chip that has been programmed to match it. If not, the car will reject the key and refuse to start.

It's important to make sure that you have a spare key for your Saab. This is particularly important for those who live in a rural region where there are numerous car thieves. You can purchase a new key for your Saab by visiting the dealership and not paying their expensive cost. You can get an original key made on the spot for less than half the cost you would spend at an auto dealer.

Wired key

Saab cars are usually delivered with two keys. If you have only one, it is recommended to purchase an extra key fob as soon as you can as if you lose it, the car will require the replacement key for saab 93 of a CIM unit, and the locking cylinders have to be replaced. This can be expensive especially for cars that are used.

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

After the columns and rows are soldered together then it's time to connect the key switches. To do this, place a diode across each pin of the key switch and solder it. This will shield the key switch pins from current and keep 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 which direction current will flow.

Sanabria states that some of the tools offered in auto parts stores, including the Autel MaxiIM IM608PRO and the IM508 are able to assist shoppers or DIY customers to program replacement keys and restore the immobilizer's data. The tools connect to OBD ports and guide the user through each step and make the process more straightforward than replacing the vehicle's computer.

Jump-starting the battery

The majority of people have the set in their trunks to jump-start a car in case of emergency, but it might not be the best option for vehicles with newer technology. These vehicles are equipped with digital and computer systems that communicate with each other. A voltage spike when a battery is hooked up to another battery could fry these components and render your car undriveable.

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

Once the cables are connected, start the vehicle and let it run for approximately five minutes. Then disconnect them in reverse. Be aware that the battery of your saab 9-3 replacement key 9-3 is recharged when you drive, and it may take some time for the battery to go back to its original level. It's a good idea to purchase a spare key fob as soon as you can, since replacing the only working one requires the installation of a brand new computer module and special programming to convince it that your lost keys are not trying to steal the car.

Replacement case

saab car keys owners usually only have one car key, and if it is lost saab keys, they'll be charged. It's expensive to purchase an additional key and it requires replacing the CIM or TWICE for older models. In the event of theft, or any other calamity it is best to have a spare key. However, don't purchase a secondhand key, even when it's "new." Keys that are claimed as new from aftermarket sellers will not work and are likely to fail in the most critical moment.

Most locksmiths cannot help you with a single working key, and the dealer will charge you high fees to replace the computer in your car to make a new replacement. However, we can reset and re-program your computer's EEPROM to accept an alternative key without replacing the whole system. This can save you a great deal of money. It's much cheaper rather than wait until you loose the only key.