saab key battery replacement Key Programming
Saab cars that were built prior to 1994 have an immobilizer feature based on coded keys. A new transponder is required for inclusion of an additional key, and special programming. This is usually done by the dealer using the Tech2 diagnostic tool.
The issue is that it can be very expensive. This is why it is important to always keep a spare key in your possession.
Transponder key
The transponder can be described as a key that is equipped with an electronic chip. This chip sends a signal when the key is inserted in the ignition. The car then analyzes the signal to see whether it is the same as the one on the key. If the signals are identical, the car will unlock itself and begin. This is a great way to safeguard your car from theft.
Transponder keys are a popular addition to cars, but they are not as safe as traditional keys made of metal. While the metal component of a traditional key may be cut and copied however, a transponder is secured by an electronic chip. This chip contains an individual code that is programmed into the car's computer to identify it.
When a Saab 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 a chip that is unmodified and has been programmed to match. Otherwise, the car would reject the key and won't start.
It is vital to have an extra Saab key. This is especially true for those who live in a rural area that is home to numerous car thieves. You can get a brand new key for your Saab by going to the dealership and not paying their high costs. In most cases, you can have a brand new key made right on the spot for less than half the cost you would pay at dealerships.
Key for Wired
Saab cars are typically delivered with two keys. If you only have one, it is 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 could be expensive especially if purchasing a used vehicle.
The next step is to wire the row and column wires to the microcontroller. This is the most difficult aspect of the project and will require lots of soldering. There isn't a standard method to go about it, but you should think about how to route and solder each column and row. There are 22 microcontroller pins and wires to connect to this keyboard. It includes 5 rows and 17 column.
After the columns and rows are soldered, it's the time to connect them to the key switches. Solder a diode to each key switch pin. This will shield the pins on the key switch from current and prevent them from being shorted. The diode will only allow the current to flow in a single direction, and it has an indicator of black color that indicates the direction current will flow.
Sanabria states that a number of the tools that are sold in auto parts stores, such as the Autel MaxiIM IM608PRO or IM508 will assist shoppers or DIY users to program replacement keys and restore immobilizer information. The tools plug into the OBD port and automatically guide the customer through the process, making it easier than replacing the computer in the vehicle.
Jump starting the battery
The majority of people have a set of jumper cables in their trunk for emergencies, but jumping a battery in newer vehicles may not be the best choice. These cars are equipped with a variety of digital and
saab key fob repair computers that communicate with one another. A voltage surge when the battery is connected to another battery could damage the components, rendering your car undriveable.
Connect the cables to the vehicle that is operating. Let it run for two minutes. Attach the red clip to the positive terminal on the good battery (it will have "POS" or "+" on it). Attach the other end of the black cable to an unpainted, clean metal surface underneath the disabled car's hood--the engine block is a good choice. Do not connect the black cable to the negative terminal on the dead battery, since this could trigger an ignition source that ignites gasoline in the engine bay.
Once the cables are connected, turn on the vehicle that has been disabled and let it run for approximately five minutes before you disconnect the cables in reverse order. Be aware that the battery in your Saab 9-3 is recharged while you drive, so it can take a while to get the battery back to normal. It's a good idea purchase a spare fob as soon as you can, since replacing the one that works requires the installation of a brand new computer module and a special program to convince the system that your lost keys aren't in the process of trying to steal the car.
Replacement Case
Many
saab key fob repair owners have only one key for their vehicle and if they lose it, it's going to cost them. The reason is that it's not cheap to buy a new key, and this involves replacing the CIM (Column Integration Module) or TWICE on older models, and programming. In the event of theft or
saab key fob repair other catastrophe it is best to have an extra key. Even if the key is "new" it will not work.
The dealer will charge you the most expensive dollar if you only have one working key. We can reset and reprogram the computer's EEEPROM to make it ready to accept a replacement key without the need to replace the entire system. This can save you lots of money. It's also less expensive than waiting until you lose your one key.