5 Killer Quora Answers On Saab Ignition Key Replacement
Saab Key Programming
saab 93 key cars built since about 1994 have an immobilizer system built on coded keys. A new transponder is required for addition of an extra key, and special programming. This is usually done by the dealer using a Tech2 diagnostic tool.
It can be costly. It is always advisable to keep a spare set of keys at hand.
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 is able to check whether the signal is the same as the one on the key. If the signals are identical, the car will unlock itself and start. This is an excellent way to protect your car from theft.
Transponder keys are a popular feature in automobiles, but it is important to know that they're not as secure as classic metal keys. While the metal portion of a conventional key can be cut and copied the transponder is protected by an electronic chip. The chip has an unique code that is programmed into the car's computer to identify it.
When a saab keys key fob is used the car recognizes it and allows it to turn on. The car can only recognize the key fob if it is equipped with an unmodified chip and programmed to match. If not, the car will reject the key and refuse to start.
It is essential to ensure that you have an extra key for your saab ignition Key replacement. This is especially important if you live in a rural area where there are many car thieves. The good part is that you can find a new key for your Saab without needing to visit a dealer and pay the high prices that they charge. In the majority of cases, you can have a new key created on-the-spot for less than half the cost of what you would pay at dealerships.
Key for Wired
Saab cars are typically delivered with two keys. If you only have one, you should get an additional key as fast as you can. This is because if the key is lost, the car will need a new CIM and the locking cylinders replaced. This could be expensive especially if you're purchasing a used car.
The next step is to wire the row and column wires to the microcontroller. This is the most challenging part of the project and requires a significant amount of soldering. There's no standard way to do it, but you must consider how you will route and connect each column and row. 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 then it's time to connect the key switches. Solder a diode to each key switch pin. This will protect the pins from current, preventing them from being shorted. A diode permits current to only flow in only one direction. It has a visual indicator that is black, that indicates the direction in which current will flow.
Some of the tools available at auto parts stores -- such as the Autel MaxiIM IM608 PRO and IM508 -- may assist customers at the shop or DIY customers in some cases create replacement keys and restore lost immobilizer information, Sanabria says. The tools connect to OBD ports and help the customer through each step making the process simpler than replacing the car's computer.
Jumpstarting the battery
Most people keep a set of jumper cables in their trunk to use in an emergency however, jumping a battery on newer automobiles might not be the best option. These vehicles are equipped with digital and computer systems that communicate with each other. A voltage spike when the battery is connected to another battery could damage the components and render your vehicle unusable.
Start the working vehicle and allow it to run for around two minutes before you connect the cables to the non-working one. Attach the red clip to the positive terminal of the good battery. (It will read "POS" or "+".) Attach the other end to a clean and unpainted metal surface underneath the hood of the damaged car. The engine block is an excellent choice. The black cable should not be connected to the negative terminal of the dead battery. This could trigger sparks that could ignite gasoline in the engine compartment.
Once the cables are connected, start the vehicle that is disabled and let it run for approximately five minutes before disconnecting them in reverse order. Keep in mind that the battery on the Saab 9-3 will be charged when you drive, and it can take a while for the battery to come back to normal. It is a good idea to invest in a spare key fob as soon as you can, since replacing the only working one requires the installation of a brand new computer module and special programming to convince the system that your lost keys aren't trying to steal the car.
Replacement case
Many saab spare key owners only have one key for their vehicle and if they lose it, the cost will be. The reason for this is that it's not inexpensive to purchase a new key, and this involves replacing the CIM (Column Integration Module) or TWICE on older models, and programming. It's best to have a spare key in case of theft or any other catastrophe, and the best way is to purchase an extra key as soon as you are able to. Even if the key is "new", it will not function.
Most locksmiths cannot help you when you only have one working key, and the dealer will charge for the cost of replacing the computer in your vehicle to make a replacement. We can reset and reprogram the EEEPROM of your computer to make it ready to accept a replacement key without the need to replace the entire system. This could save you a significant amount of money. It's also a lot cheaper than waiting until you lose your one key.