Saab Key Programming

Saab cars built since 1994 feature an immobilizer that relies on a set of keys. A new transponder is required in order to enable the inclusion of an additional key, and special programming. This is usually done by the dealer using a Tech2 diagnostic tool.

The problem is that this could be very expensive. It is always advisable to keep a spare set of keys in your possession.

Transponder key

The transponder keys are keys with an electronic chip that sends a signal back to the car when it is inserted into the ignition. The car then analyzes the signal to see if it matches that of the key. If both signals match, the car will unlock itself and start. This is a great way to stop car theft and keep your vehicle secure from thieves.

Transponder keys can be an increasingly popular feature for cars, but they're not as secure as traditional keys made of metal. While the metal component of a conventional key can be cut and copied, a transponder is protected by an electronic chip. The chip is equipped with an unique code that is programmed into the car's computers 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 the device has a chip that is unmodified and programmed to match. The car won't start in the event that the key is not programmed to match.

It is vital to have an extra saab key fob repair key. This is particularly important for those who live in a rural area, where there are numerous car thieves. You can obtain a replacement key for your Saab by going to the dealership without paying high prices. You can get the replacement key on the spot for less than half the price you'd pay at the dealership.

Key for Wired

saab 93 replacement key cars typically come with two keys upon purchase. If you have only one, it's a good idea to get an extra key fob as soon as you can in case you lose it, your car will require the replacement of a CIM unit, and the locking cylinders need to be replaced. This could be expensive especially if buying a used car.

The next step is to connect the wires for columns and rows to your microcontroller. This is the most difficult part of the project and it will require lots of soldering. There isn't a standard way to accomplish this, but it is crucial to plan the route you'll take and solder the columns and rows. For this keyboard, there are five 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, it's time to connect them to the key switches. To do this, place a diode over each pin of the key switch and solder it. This will shield the key switch pins from current and prevent them from being shorted. A diode allows current to flow in one direction, and has a the black band as a visual indicator that shows the direction in which current will flow.

Some of the tools offered at auto parts stores -like the Autel MaxiIM IM608 Pro and IM508 -- may assist customers at the shop or DIY users in some cases replace keys in the program and restore the lost immobilizer's data, Sanabria says. The tools connect to OBD ports and guide the customer through each step making the process simpler than replacing the vehicle's computer.

Jump-starting the battery

The majority of people have a set of jumper cables in their trunks how to program saab 9-3 key fob use in an emergency, but jumping a battery on modern automobiles might not be the best idea. These vehicles are equipped with digital and computers that communicate with one another. A voltage surge while the battery is connected to another can fry these components, rendering your car undriveable.

Start the vehicle that is working and let it run for about 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 to a clean unpainted metal surface beneath the hood of the damaged vehicle. The engine block is an excellent option. The black cable is not to be connected to the negative terminal of the dead battery. This could create sparks, which could ignite gasoline in the engine compartment.

Once the cables are connected the vehicle that has been disabled and let it run for approximately five minutes before disconnecting them in reverse order. The battery in your Saab 9-3 will recharge while you drive. It will take some time for it to drop back down. It is a good idea to purchase a spare key fob as soon as you can, since replacing the only functioning one requires the installation of a new computer module and special programming to convince it that your missing keys aren't attempting to steal the car.

Replacement Case

Saab owners often only have one car key, and if it is lost saab keys, they'll be charged. It's expensive to buy the key and also requires replacing the CIM or TWICE in the case of older models. It's best to have a backup key in the event of theft or other disaster, and the best way is to purchase a second key as soon as you can. Even when the key is "new" it won't work.

Most locksmiths aren't able to help with a single working key, and the dealer will charge top dollar to replace the computer in your vehicle to create a replacement. We can reset and reprogram the computer's EEEPROM in order for it to accept a new key without having to replace 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.