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Saab Key Programming

Saab cars made since 1994 feature an immobilizer mechanism built on coded keys. A new transponder is required to allow the addition of a second key, and special programming. This is usually done by the dealer with a specialized Tech2 diagnostic tool.

The problem is that this can be very costly. This is the reason why you should always have a spare key at hand.

Transponder key

The transponder is a type of key equipped with an electronic chip. The chip transmits a signal when the key is put in the ignition. The car is able to check whether the signal matches the one on the key. If the signals are identical it will open itself and begin. This is a great way to deter auto theft and keep your car secure from thieves.

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

When a Saab key fob is used, the car recognizes it and allows it to turn on. However, it will only do so if the key fob has a non-modified chip that has been programmed to match it. The car won't start in the event that the key has not been programmed to match.

It is important to have a spare saab 9-3 key programming key. This is especially true when you live in a rural region that has numerous car thieves. You can purchase a new key for your Saab by visiting the dealership, without having to pay their expensive costs. In the majority of instances, you can get a brand new key made right on the spot for less than half the cost of what you would pay at a dealer.

Key for Wired

saab 900 key cars are typically delivered with two keys. If you have only one, it's a good idea to get an additional key fob as soon as you can, because if you lose it the car will require a new CIM unit and the locking cylinders will have to be replaced. This can be expensive especially for used vehicles.

The next step is to connect the wires of the column and row to the microcontroller. This is the most challenging part of the project and will require a large amount of soldering. There is no standardized way to accomplish this, however it is crucial to plan the route you'll take and solder the rows and columns. 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 together It is now time to connect the key switches. To do this, you need to place a diode on each pin on the key switch and then solder it. This will protect the pins of the key switch from current and also prevent them from being shorted. A diode lets current only flow in one direction. It comes with a visual indicator with a black band that shows which way current will flow.

Sanabria states that a number of the tools sold in auto parts stores, such as the Autel MaxiIM IMM608PRO and IM508 are able to assist customers shopping or DIY users to program replacement keys and restore immobilizer data. The tools plug into OBD ports and help the customer through each step and make the process more straightforward than replacing the car's computer.

Jumpstarting the battery

Most people keep a few sets of jumper cables in their trunk for emergencies however, jumping a battery in newer cars might not be the best idea. These vehicles have many electronic devices and computers that communicate with one another. A surge of voltage when the battery is connected to another could cause damage to the 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 battery that is good. (It will read "POS" or "+".) Attach the other end to a clear, unpainted metal surface beneath the hood of the disabled vehicle. The engine block is a great choice. Do not connect the black cable to the negative terminal of the dead battery as it could spark an ignition spark that ignites the gasoline in the engine bay.

Once the cables are connected, you can begin the car and let it run for about five minutes. Then, disconnect them in reverse. The battery in your saab replacement key 9-3 will be recharged while you drive. It will take a while for it to recharge again. It is recommended to purchase an additional key fob as soon as you can. The replacement of the one that works requires the installation and programming of a new computer chip.

Replacement case

saab fob Key replacement owners typically only have one car key, and if that is lost, they'll be charged. It's costly to add keys and will require replacing the CIM or TWICE in the case of older models. It's best to have a backup key in case of theft or other disaster, and the best way is to buy an extra key as quickly as you can. Even it's "new", it will not function.

The dealer will charge you the highest dollars if you only have one working key. We can reset and reprogram the computer's EEEPROM in order to be able to accept a new key without replacing the entire system. This could save you lots of money. It's also a lot cheaper than waiting until you lose your sole key.