Five Killer Quora Answers On Saab Ignition Key Replacement
Saab Key Programming
Saab cars produced since 1994 utilize an immobilizer system that relies on a set of keys. A new transponder is required to allow the addition of an additional key, as well as special programming. This is usually done at the dealer using a special Tech2 diagnostic tool.
This can be expensive. This is why you should always keep a spare key in your possession.
Transponder key
The transponder can be described as a key equipped with an electronic chip. The chip transmits a signal when the key is placed into the ignition. The car will then check the signal to see if it matches the one on the key. If the signals match, the car will unlock and start. This is a great method to stop auto theft and keep your car secure from thieves.
Transponder keys are a popular addition to cars, but they're not as safe as traditional metal keys. While the metal part of a traditional key can be cut and copied but a transponder key is protected by an electronic chip. The chip contains a unique code that's programmed into a car's computers in order to identify it.
When a Saab key fob is used the car recognizes it and allows it to turn on. However, it is only able to do so if the key fob is unmodified and has a chip that has been programmed to match. The car won't start when the key isn't programmed to match.
saab 93 key fob replacement is crucial to have a spare Saab key. This is particularly true especially if you live in a rural region that has numerous car thieves. The good thing is that you can get a replacement key for your Saab without having to go to an auto dealership and pay the expensive prices that they demand. In most instances, you can get a new key created on-the-spot for less than half the cost of what you would pay at an auto dealer.
Wired key
Saab cars are usually delivered with two keys. If you only own one, you should purchase an additional key as quickly as you can. This is because if it's lost and the car is damaged, it will require a new CIM and the locking cylinders replaced. This can be costly especially if buying a used car.
The next step is to connect the wires for the column and row to the microcontroller. This is the most difficult component of the project and will require lots of soldering. There is no standardized way to do this, but it is essential to determine the routes you'll use to solder the columns and rows. There are 22 microcontroller wires as well as pins to connect for this keyboard. It includes 5 rows and 17 columns.
After the columns and rows are soldered, it's time to connect them to the key switches. Solder a diode to each key switch pin. This will shield the pins from current, and prevent them from being shortened. A diode only allows the current to flow in a single direction, and it comes with a a black band visual indicator that shows the direction in which current will flow.
Some of the tools you can find at auto parts stores -- such as the Autel MaxiIM IM608 Pro and IM508 -- could help customers in the shop, or even DIY customers in some cases create replacement keys and restore lost immobilizer data, Sanabria says. The tools connect to OBD ports and guide the user through each step, making the process easier than replacing the vehicle's computer.
Jump starting the battery
The majority of people have a set in their trunk to start a vehicle in an emergency, but it may not be the best idea for vehicles that are newer. These cars are equipped with a variety of digital and computer systems that communicate with one another. A voltage spike when the battery is connected to another can fry the components and render your vehicle unusable.
Connect the cables to the vehicle operating. Allow it to run for two minutes. Attach the red clip to the positive terminal of the good battery (it will have "POS" or "+" on it). 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. Don't connect the black cable to the negative terminal on the dead battery as it could spark an ignition spark that ignites the gasoline in the engine bay.
Once the cables are connected the vehicle that is disabled and let it run for about five minutes before you disconnect them in reverse order. Keep in mind that the battery on the Saab 9-3 gets recharged while you drive, so it could take a while for the battery to come back to normal. It's a good idea invest in a spare key fob as soon as you can, since replacing the only working one requires the installation of a new computer module and special programming to convince the system that your lost keys aren't in the process of trying to steal the car.
Replacement Case
Many Saab owners have only one key for their car and if they lose that the cost will be. It's expensive to buy keys and will require replacing the CIM or TWICE in the case of older models. In the event of theft or any other catastrophe it is advisable to have a spare key. Even when the key is "new", it will not work.
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 vehicle to create a replacement. We can reset and reprogram the EEEPROM of your computer for it to accept a new key without having to replace the entire system. This could save you a lot of money. It's also much less expensive than waiting until you lose your one key.