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Saab Key Programming

Saab cars produced from 1994 have an immobilizer system based on keys that are coded. A new transponder is required for addition of a second key, as well as special programming. This is usually done by the dealer using the Tech2 diagnostic tool.

It can be costly. It is recommended to always have a spare set of keys in your possession.

Transponder key

The transponder is a type of key equipped with an electronic chip. This chip sends out a signal when the key is put in the ignition. The car will then check the signal to see if it matches the one that is in the key. If the signals are identical the car will be able to unlock itself and start. This is a great way to stop car theft and keep your car safe from thieves.

Transponder keys could be a popular addition to cars, but they are not as safe as traditional metal keys. The metal part of the traditional key can be easily copied and cut, but the transponder is protected by an electronic chip that protects it. This chip contains an unique code which is 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. The car can only recognize the key fob when it has a chip that is unmodified and programmed to match. If not, the car will reject the key and won't start.

It's essential to ensure that you have an extra key for your saab 9-3 key not accepted contact service. This is particularly important if you live in a rural location where there are numerous car thieves. The good thing is that you can find a new key for your Saab without needing to visit a dealer and pay the high prices they ask. In most instances, you can get a new key created on-the-spot at a fraction of the price of what you would pay at a dealer.

Wired key

Saab cars typically come with two keys upon purchase. If you have only one, it is recommended to purchase an extra key fob as soon as you can as if you lose it, the car will require an entirely new CIM unit, and the locking cylinders will need to be replaced. This can be costly particularly if you are buying a used car.

The next step is connecting the row and columns wires to your microcontroller. This is the most difficult part of the project and will require a large deal of soldering. There is no standard method to accomplish this, but it is crucial to plan the routes you'll use to solder the rows and columns. For this keyboard, there are five rows and 17 columns. This means there will be 22 microcontroller wires and pins that you need to connect.

Once the rows and columns are soldered, it's the time to connect them to key switches. Solder a diode on each key switch pin. This will protect the pins from current, and prevent them from being shorted. A diode lets current only flow in one direction. It has a visual indicator with a black band that shows which way current will flow.

Some of the tools available at auto parts stores -- such as the Autel MaxiIM IM608 PRO and IM508 -- may help shop customers or even DIY customers in some cases replace keys in the program and restore lost immobilizer data Sanabria says. The tools plug into the OBD port and guide the user through the procedure, making it much easier than replacing the computer in the vehicle.

Jump-starting the battery

A majority of people keep an assortment of tools in their trunk to start a vehicle in an emergency, but it may not be a good idea for cars with more modern technology. These cars have a variety of computers and digital devices that communicate with one another. A surge in voltage when a battery is hooked up to another one could damage these components and leave your car unable to drive.

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

Once the cables are connected, start the vehicle you are not using and let it run for about five minutes before you disconnect the cables in reverse order. The battery in your Saab 9-3 is recharged while you drive. It may take a while it to drop back down. It is recommended to purchase another key fob as soon as possible. Replacing the original one that works requires the installation and programming of a brand new computer chip.

Replacement Case

Saab owners usually have only one car key, and if that is lost, they'll be charged. The reason is that it's costly to buy a new key, and it requires replacing the CIM (Column Integration Module) or TWICE on older models, and programming. In the event of theft or any other catastrophe it is advisable to have an extra key. Even even if the key is "new" it won't work.

The majority of locksmiths won't be able to help with a single working key and the dealer will charge high prices to replace the computer in your vehicle to make a new replacement. We can reset and reprogram the computer's EEEPROM in order to make it ready to accept a replacement key without having to replace the entire system. This can help you save money. It's also much less expensive than waiting until you lose your only key.