saab ignition Key Key Programming

saab fob key replacement cars built since about 1994 come with an immobilizer system built on coded keys. A new transponder is required for addition of a second key, and special programming. This is usually done by the dealer using the Tech2 diagnostic tool.

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

Transponder key

The transponder key comes equipped with an electronic chip. It sends a signal back to the car when it is put into the ignition. The car then checks the signal to determine if it matches the one in the key. If both signals match, the car will unlock itself and begin. This is a great method to prevent auto theft and keep your car safe from thieves.

Transponder keys can be an extremely popular accessory for cars, but they're not as safe as traditional metal keys. While the metal component of a traditional key could be cut and copied the transponder is protected by an electronic chip. This chip contains a unique code 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. However, it will only do so if the key fob is equipped with a chip that is not modified that has been programmed to match. The car will not start in the event that the key has not been programmed to match.

It is crucial to have a spare saab fob key replacement key. This is especially true for those who live in a rural region that has many car thieves. You can purchase a new key for your saab 93 key replacement by going to the dealership, without having to pay their pricey prices. In the majority of instances, you can get an original key made on the spot at a fraction of the price of what you'd pay at an auto dealer.

Key for Wired

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

The next step is connecting the wires for columns and rows to your microcontroller. This is the most difficult part of the project and will require a good amount of soldering. There's no standard way to accomplish this, but it is important to think about how you will route and solder the rows and columns. There are 22 microcontroller wires as well as pins to connect to this keyboard. It includes 5 rows and 17 columns.

After the rows and column are joined then it's time to connect the key switches. To do this, you need to place a diode across each pin of the key switch and solder it. This will shield the pins from current and prevent them from being cut off. A diode lets current only flow in only one direction. It comes with a visual indicator with a black band that shows which way current will flow.

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

Jumpstarting the battery

A lot of people keep the set in their trunks to jump start a car in an emergency, but it may not be a good idea for newer cars. They have numerous digital and electronic devices that communicate with each other. A surge in voltage when the battery is connected to another could cause damage to these components and render your vehicle undriveable.

Connect the cables to the vehicle that is operating. Let it run for two minutes. Attach the red clip on the positive terminal of the good battery. (It will read "POS" or "+".) Attach the other end to a clean and unpainted metal surface beneath the hood of the damaged vehicle. The engine block is a great option. The black cable should not be connected to the negative terminal of the dead battery. This could trigger sparks, which would ignite gasoline in the engine compartment.

After the cables have been connected, start the car and let it run about five minutes. Then disconnect the cables in reverse. The battery in your Saab 9-3 will recharge while you drive. It may take a while it to recharge again. It is a good idea to invest in a spare key fob as soon as you can, because replacing the one that works requires the installation of a new computer module and special programming to convince it that your lost keys are not trying to steal the car.

Replacement Case

saab 9-3 key programming owners typically only have one car key, and if it is lost, they will be charged. It's expensive to purchase the key and also requires replacing the CIM or TWICE in the case of older models. In the event of theft or other catastrophe, it is best to have an extra key. Don't purchase a used key even when it's "new." Keys that are claimed to be new from sellers selling aftermarket keys won't work and are likely to fail at the crucial moment.

Most locksmiths aren't able to help with a single working key, and the dealer will charge you top dollar to replace the computer in your car for a replacement. We can reset and reprogram the computer's EEEPROM to make it ready to accept a new key without the need to replace the entire system. This can save you a lot of money. It's also less expensive than waiting until you lose your one key.