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Saab Key Programming

saab car keys cars made since 1994 have an immobilizer system made up of coded keys. A new transponder is required for addition of a second key, and special programming. This is usually done at the dealer using a special Tech2 diagnostic tool.

The problem is that this can be quite costly. It is always advisable to keep a spare set of keys at hand.

Transponder key

The transponder is a piece of key equipped with an electronic chip. The chip sends a signal when the key is put in the ignition. The car then checks the signal to determine whether it is identical to the one on the key. If the signals match it will unlock and start. This is a great way to safeguard your car from theft.

Transponder keys may be an increasingly popular feature for cars, but they are not as secure as traditional metal keys. The metal component of the traditional key can be easily cut and copied, whereas transponders are protected by an electronic chip that guards it. The chip is a unique code that's programmed into a 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. But, it's only able to do this if the fob is unmodified and has a chip that has been programmed to match it. The car will not start if the key is not programmed to match.

It is important to have a spare saab 9-3 key not accepted contact service key. This is particularly important when you live in a rural area, where there are numerous car thieves. The good news is that it's possible to find a replacement key to your saab 9-3 key fob programming without having to go to a dealership and pay the expensive prices they ask. You can have the replacement key on the spot for less than half of the price you'd spend at an auto dealer.

Wired key

Saab cars are typically delivered with two keys. If you only have one, it is recommended to purchase an additional key fob as quickly as you can since if you lose it, your car will require an entirely new CIM unit, and the locking cylinders have to be replaced. This can be costly especially for cars that are used.

The next step is connecting the wires for columns and rows to your microcontroller. This is the toughest part of the project, and it will require a lot of soldering. There is no standardized way to accomplish this, however it is crucial to plan the routes you'll use to solder the rows and columns. 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, it is time to connect the key switches. To do this, place a diode on each key switch pin and solder it. This will protect the pins from current, preventing them from getting shorted. A diode can only allow current to flow in one direction, and it comes with a an indicator of black color that indicates the direction current will flow.

Some of the tools available at auto parts storeslike the Autel MaxiIM IM608 PRO and IM508 -- can aid shop customers or DIY users in some cases programme replacement keys and recover lost immobilizer information, Sanabria says. The tools connect to OBD ports and guide the customer through each step which makes the process much easier than replacing the vehicle's computer.

Jump-starting the battery

The majority of people have a set of jumper cables in their trunk for emergencies however, jumping a battery for newer vehicles might not be the best choice. These vehicles are equipped with computers and digital devices which communicate with one another. A voltage spike when the battery is connected to another could cause damage to the components, rendering your car undriveable.

Connect the cables to the vehicle operating. Allow it to run for two minutes. Attach the red clip on the positive terminal of the battery that is good. (It will say "POS" or "+".) Attach the other end of the black cable to an unpainted, clean metal surface under the disabled vehicle's hood. An engine block is a good choice. The black cable should not be connected to the negative terminal of the dead battery. This could trigger sparks that could ignite the gasoline in the engine compartment.

Once the cables are connected, you can start the disabled vehicle and let it run for approximately five minutes before you disconnect the cables in reverse order. The battery in the saab keys 9-3 will charge as you drive. It will take a while for it to return to its original state. You should consider purchasing another key fob when you can. Replacing the original one that works requires the installation and programming of a brand new computer chip.

Replacement Case

Saab owners often only have one car key, and if it is lost, they'll be charged. It's costly to add an additional key and it requires replacing the CIM or TWICE in the case of older models. In the event of theft, or any other disaster, it is best to have a spare key. Even it's "new", it will not work.

Most locksmiths can't help you when you only have one working key and the dealer will charge you high fees to replace the computer in your car to make a replacement saab 9-3 key. We can reset and reprogram the computer's EEEPROM to make it ready to accept a replacement key without replacing the entire system. This could help you save money. It's more affordable than waiting until you loose the only key.