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saab 9-5 key replacement Key Programming

saab car key replacement cars made since 1994 feature an immobilizer system based on coded keys. A new transponder is required in order to enable the addition of a second key, and special programming. This is usually done by the dealer using the Tech2 diagnostic tool.

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

Transponder key

The transponder can be described as a key that has an electronic chip. The chip transmits a signal when the key is placed in the ignition. The car checks to see whether the signal matches with the one on the key. If the signals match, the car will unlock and begin. This is a great method to stop car theft and keep your vehicle safe from thieves.

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

The car will recognize the Saab keyfob and allow it to turn on. However, it will only do this if your key fob has a non-modified chip that has been programmed to match it. In the absence of that, the car will reject the key and refuse to start.

It is essential to ensure that you have a spare key for your Saab. This is particularly true if you reside in a rural location that has numerous car thieves. The good thing is that you can find a replacement key to your Saab without having to go to an auto dealership and pay the expensive prices they ask. You can have a replacement key made on the spot for less than half of the price you'd spend at the dealership.

Wired key

saab 9-3 key fob replacement cars usually come with two keys when they are new. If you only have one, you need to purchase an additional key as fast as you can. This is because, if it's lost the car will require an entirely new CIM and the locking cylinders replaced. This can be costly particularly if you are buying a used car.

The next step is to connect the wires of the column and row to the microcontroller. This is the most difficult part of the project, and it will require lots of soldering. There's no standard way to go about it, but you need to determine how to route and connect each column and row. For this keyboard, there are five rows and 17 columns, which means there will be 22 microcontroller wires and pins that you need to connect.

After the rows and column are soldered together It is now time to connect the key switches. To do this, put a diode over each key switch pin and then solder it. This will shield the key switch pins from current and stop them from being shorted. A diode allows the flow of current to be in one direction, and has a an indicator of black color that indicates the direction current will flow.

Sanabria states that some of the tools sold in auto parts stores, like the Autel MaxiIM IM608PRO or IM508 can assist shoppers or DIY users to program replacement keys and restore immobilizer data. The tools connect to OBD ports and help the customer through each step which makes the process much easier than replacing the vehicle's computer.

Jump-starting the battery

A majority of people keep an assortment of tools in their trunk to jump start a vehicle in an emergency, but this might not be a good idea for vehicles that are newer. These cars are equipped with a variety of digital and computer systems that communicate with one another. A voltage spike when the battery is connected another one could cause damage to the parts and render your vehicle unusable.

Start the working vehicle and allow it to run for approximately two minutes before connecting the cables to the non-working one. Attach the red clip to the positive terminal of 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 an ideal choice. The black cable is not to be connected to the negative terminal of the dead battery. This could create a spark, which would 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. Remember that the battery on your Saab ignition key 9-3 is recharged when you drive, and it could take a while for the battery to go back to normal. It's a good idea to purchase a spare fob as soon as you can, because replacing the one that works 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 owners only have one key for their car and if they lose it, the cost will be. It's expensive to buy an additional key and it requires replacing the CIM or TWICE for older models. It is best to have a second key in case of theft or other disaster and the best option is to purchase an extra key as early as you can. Even it's "new" it won't work.

Most locksmiths cannot help you if you have only one working key, and the dealer will charge high prices to replace the computer in your vehicle to create a replacement. We can reset and reprogram the computer's EEEPROM for it to accept a new key without having to replace the entire system. This can help you save a significant amount of money. It's also much less expensive than waiting until you lose your sole key.