Saab Key Programming

Saab cars built since about 1994 come with an immobilizer system made up of coded keys. In order to add a second key, it requires a new transponder and special programming. This is usually handled by the dealer using a Tech2 diagnostic tool.

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

Transponder key

The transponder key is a piece of hardware with an electronic chip that sends a signal to car when it is placed in the ignition. The car then analyzes the signal to determine whether it is the same as the one in the key. If the signals match it will open itself and begin. This is a great method to guard your car against theft.

Transponder keys may be a popular addition to cars, but they are not as secure as traditional keys made of metal. The metal component of a traditional key can be easily cut or copied, while transponders are protected by an electronic chip that protects it. The chip has a unique code that is 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. The car will only recognize the key fob if it has a chip that is unmodified and has been programmed to match. If not, the car will reject the key and won't start.

It is essential to ensure that you have a spare key for your saab 9-3 key programming. This is especially important if you reside in a rural region that has numerous car thieves. You can get a new key for your Saab by visiting the dealership without paying their high prices. In the majority of instances, you can get a new key made on-the-spot for less than half the cost of what you'd pay at a dealer.

Wired key

Saab cars usually come with two keys when they are new. If you have only one, it's best to acquire an extra key fob as soon as is possible in case you lose it the car will require a new CIM unit and the locking cylinders will need to be replaced. This could be expensive especially if purchasing a used car.

The next step is connecting the wires for columns and row to your microcontroller. This is the toughest component of the project and will require a lot of soldering. There isn't a standard method to go about it, but you must plan how to connect and solder each column and row. There are 22 microcontroller wires as well as pins to connect to this keyboard. It has 5 rows and 17 column.

Once the rows and columns are soldered, it's time to connect them to key switches. To do this you must place a diode across each pin of the key switch and solder it. This will shield the pins from current, thus preventing them from getting shorted. A diode permits current to only flow in only one direction. It features a visual indicator with a black band that shows the direction in which the current will flow.

Some of the tools offered at auto parts stores- such as the Autel MaxiIM IM608 Pro and IM508 -- could assist customers at the shop or DIY customers in certain cases replace keys in the program and restore the lost immobilizer's data, Sanabria says. The tools plug into OBD ports and guide the customer through each step which makes the process much easier than replacing the car's computer.

Jump-starting the battery

A lot of people keep a set of jumper cables in their trunks for emergency situations however, jumping a battery on modern vehicles may not be the best choice. These vehicles are equipped with numerous electronic devices and computers that communicate with one another. A voltage spike when a battery is hooked up to another could cause damage to these components and render your vehicle unable to drive.

Start the vehicle that is working and allow it to run for approximately two minutes before connecting the cables to the battery that is not working. Attach the red clip to the positive terminal on the good battery (it will have "POS" or "+" on it). Attach the other end of the black cable to a clean, unpainted metal surface underneath the disabled vehicle's hood. An engine block is a good option. Don't connect the black cable to the negative terminal on the dead battery, as this could trigger a spark that ignites the gasoline in the engine bay.

Once the cables are connected, you should start the car and let it run for approximately five minutes. Then, disconnect them in reverse. The battery in your saab 9-3 key not accepted contact service 9-3 will recharge while you drive. It will take some time for it to drop back down. You should purchase another key fob as soon as you can. Replacing the only one that works requires the installation and programming of a new computer chip.

Replacement Case

Many saab 93 key replacement owners only have one key for their vehicle and if they lose it, they'll be charged. It's expensive to add an additional key and it requires replacing the CIM or TWICE for older models. In the event of theft or any other catastrophe it is advisable to have an extra key. Don't buy a secondhand key even if it's "new." Keys that are claimed-new purchased from third-party sellers won't be effective and are almost guaranteed to fail in the crucial moment.

Most locksmiths aren't able to help in the event that you only have one working key and the dealer will charge for the cost of replacing the computer in your vehicle to create a replacement. We can reset and reprogram the computer's EEEPROM in order to get it ready to accept a new key without the need to replace the entire system. That can save you lots of money. It's cheaper to do this rather than wait until you lose your only key.