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Saab Key Programming

Saab cars manufactured from 1994 have an immobilizer that relies on keys that are coded. In order to add a second key, it requires a new transponder, as well as special programming. This is usually handled by the dealer using the Tech2 diagnostic tool.

The issue is that this could be very expensive. You should always keep an extra set of keys at hand.

Transponder key

The transponder keys are keys equipped with an electronic chip. It sends a signal to car when it is put into the ignition. The car then examines the signal to see whether it is the same as the one on the key. If the signals are identical the car will then unlock itself and begin. This is a great way to avoid car theft and keep your car safe from thieves.

Transponder keys may be a popular addition to automobiles, but they are not as secure as traditional keys made of metal. While the metal parts of a traditional key can be cut and copied but a transponder key is protected by an electronic chip. The chip has an unique code that is programmed into the car's computers to identify it.

The car will recognize the saab 9-3 key fob programming keyfob and permit it to be turned on. However, it can only do this if the fob has an unmodified chip that has been programmed to match it. The car won't start in the event that the key has not been programmed to match.

It's crucial to ensure that you have an extra key for your Saab. This is particularly true especially if you live in a rural area with many car thieves. You can purchase a new key for your Saab by going to the dealership and not paying their expensive cost. In most instances, you can get a new key created on-the-spot for less than half the price of what you'd pay at the dealer.

Wired key

Saab cars usually come with two keys when they're new. If you only have one, it is best to acquire an additional key fob as soon as is possible in case you lose it the car will require a new CIM unit, and the locking cylinders have to be replaced. This can be costly particularly for used cars.

The next step is to connect the wires of the column and row to the microcontroller. This is the toughest component of the project and it will require a lot of soldering. There's no standard way to go about it, however, Saab 9-3 Key fob programming you should plan how to route and solder each column and row. For this keyboard, there are 5 rows and 17 columns, which means there will be 22 microcontroller pins and wires to connect.

Once the rows and columns are soldered, it's time to connect them to key switches. To do this you must place a diode over each key switch pin and solder it. This will protect the key switch pins from current and prevent them from being shorted. A diode permits current to only flow in only one direction. It features a visual indicator, a black band, that indicates 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 -- can help customers in the shop, or even DIY customers in some cases programme replacement keys and recover lost immobilizer information, Sanabria says. The tools plug into the OBD port and guide the customer through the procedure, making it simpler than replacing the computer in the vehicle.

Jump-starting the battery

Most people keep a set in their trunks to jump-start their car in case of emergency, however it might not be the best idea for vehicles that are newer. These cars have a variety of electronic devices and computers that communicate with each other. A voltage spike when a battery is hooked up to another can fry these components, rendering your car unable to drive.

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

Once the cables are connected, start the vehicle that has been disabled and let it run for approximately five minutes before disconnecting the cables in reverse order. Be aware that the battery of the Saab 9-3 will be charged when you drive, and it may take some time for the battery to come back to normal. It's a good idea purchase a spare fob as soon as you can, since replacing the sole working one requires the installation of a brand new computer module and a special program to convince it that your missing keys aren't in the process of trying to steal the car.

Replacement Case

saab 9 3 key replacement owners usually have only one car key, and if it is lost, they will be charged. The reason for this is that it's expensive to purchase a new key, and it involves replacing the CIM (Column Integration Module) or TWICE on older models, and programming. It is recommended to have a second key in the event of theft or any other catastrophe and the best option is to purchase an additional key as quickly as you can. But don't buy a used key even if it's "new." Keys that are claimed to be new purchased from third-party sellers won't perform and are almost certain to fail at the critical moment.

Most locksmiths can't help you if you have only 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 having to replace the entire system. This can save you a lot of money. It's also less expensive than waiting until you lose your only key.