11 Ways To Completely Revamp Your Saab Ignition Key Replacement
Saab Key Programming
Saab cars made since 1994 have an immobilizer feature built on coded keys. In order to add a second key, it requires the purchase of a new transponder as well as special programming. This is usually handled by the dealer using a Tech2 diagnostic tool.
This can be expensive. It is always advisable to keep an extra set of keys at hand.
Transponder key
The transponder key is a piece of hardware equipped with an electronic chip. It transmits a signal to the car when it is placed in the ignition. The car then checks the signal to determine whether it is identical to the one on the key. If the signals are the same, the car will unlock itself and begin. This is a fantastic way to guard your car against theft.
Transponder keys are a common feature in automobiles, however you should be aware that they are not as secure as classic metal keys. The metal component of the traditional key is easily cut and copied, however transponders are protected by an electronic chip that protects it. The chip has a unique code that is programmed into the car's computer in order to identify it.
The car will recognize the Saab keyfob, and allow it to turn on. saab car key replacement G28 Car Keys will only recognize the key fob when it has a chip that is unmodified and 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 an extra Saab key. This is particularly important if 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 without having to go to an auto dealer and pay the high prices that they demand. You can get a replacement key made on the spot at a fraction of the cost you would spend at a dealership.
Key for Wired
Saab cars typically come with two keys when they are new. If you only have one, it's a good idea to get an extra key fob as soon as possible since if you lose it the car will require an entirely new CIM unit, and the locking cylinders have to be replaced. This can be expensive especially for cars that are used.
The next step is connecting the row and columns wires to your microcontroller. This is the most challenging part of the project and requires a significant deal of soldering. There isn't a standard method to do it, but you should determine how to route and solder each column and row. For this keyboard, there are 5 rows and 17 columns, so there will be 22 microcontroller pins and wires to connect.
After the columns and rows are joined after which it is time to connect the key switches. Solder a diode to each key switch pin. This will shield the pins from current and prevent them from getting shorted. A diode allows the current to flow in a single direction, and has a the black band as a visual indicator 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 aid shop customers or DIY customers in certain instances replace keys in the program and restore lost immobilizer information, Sanabria says. The tools plug into OBD ports and help the customer through each step making the process simpler than replacing the car's computer.
Jump-starting the battery
Most people keep a set of jumper cables in their trunks for emergencies however, jumping a battery on modern vehicles may not be the most efficient option. These vehicles are equipped with computers and digital devices which communicate with each other. A voltage spike when a battery is connected to another could cause damage to the components making your car inoperable.
Connect the cables to the vehicle operating. Let it run for two minutes. Attach the red clip to the positive terminal of the battery that's good. (It will read "POS" or "+".) Attach the other end to a clear, unpainted metal surface beneath the hood of the affected car. The engine block is a good alternative. The black cable is not to be connected to the negative terminal of the dead battery. This could cause sparks that could ignite gasoline in the engine compartment.
Once the cables are connected, start the vehicle that has been disabled and let it run for about five minutes before you disconnect the cables in reverse order. Remember that the battery on the Saab 9-3 will be charged during your drive, which means it can take a while for the battery to go back to its original level. It's a good idea to purchase a spare fob as soon as you can, because replacing the sole working one requires the installation of a brand new computer module and a special program to convince it 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 vehicle and if they lose it, key, it will cost them. It's expensive to add the key and also requires replacing the CIM or TWICE in the case of older models. In the event of theft, or any other disaster it is advisable 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 high prices to replace the computer in your car to create a replacement. We can reset and reprogram the computer's EEEPROM for it to accept a new key without the need to replace the entire system. This could help you save a significant amount of money. It's also much less expensive than waiting until you lose your one key.