5 Killer Quora Answers On Saab Ignition Key Replacement

Saab Key Programming

Saab cars manufactured since 1994 feature an immobilizer mechanism made up of 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 a Tech2 diagnostic tool.

This can be expensive. It is always advisable to keep an extra set of keys on hand.

Transponder key

The transponder key comes with an electronic chip that sends a signal back to the car when it is put into the ignition. The car then examines the signal to see whether it matches the one in the key. If the signals match the car will then open and start. This is a great method to avoid auto theft and keep your vehicle secure from thieves.

Transponder keys are an increasingly popular feature in vehicles, but you must be aware that they're not as secure as traditional keys made of metal. The metal component of the traditional key is easily copied and cut, but transponders are protected by an electronic chip which protects it. The chip is a unique code which is programmed into a car's computer order to identify it.

The car will recognize the Saab keyfob and permit it to turn on. However, it can only do this if the key fob has an unmodified chip that has been programmed to match the original. Otherwise, the car will reject the key and won't start.

It's essential to ensure that you have an extra key for your saab replacement key. This is particularly true for those who live in a rural location that has numerous car thieves. You can get a new key for your Saab ignition key replacement by visiting the dealership, without having to pay their high prices. You can get a replacement key created on the spot for less than half of the price you'd spend at the dealership.

Wired key

saab 9-3 key replacement cars are typically delivered with two keys. If you have only one, it's recommended to purchase an extra key fob as soon as you can, because if you lose it, your car will require a new CIM unit and the locking cylinders need to be replaced. This can be costly especially if you're buying a second-hand car.

The next step is to connect the column and row wires to the microcontroller. This is the toughest part of the project, and it will require a lot of soldering. There is no standardized way to accomplish this, but it is crucial to plan the route you'll take and solder the rows and columns. For this keyboard, there are 5 rows and 17 columns, which means there will be 22 microcontroller wires and pins to connect.

After the rows and column are joined then it's time to connect the key switches. Solder a diode on each key switch pin. This will shield the pins from current and prevent them from being shorted. The diode allows current to only flow in only one direction. It has a visual indicator with a black band that indicates the direction in which current will flow.

A few of the tools that are available at auto parts stores -like the Autel MaxiIM IM608 PRO and IM508 -- can assist customers at the shop or DIY customers in certain cases create replacement keys and restore lost immobilizer information, Sanabria says. The tools connect to the OBD port and automatically guide the customer through the procedure, making it simpler than replacing the computer in the vehicle.

Jumpstarting the battery

Most people keep a few sets of jumper cables in their trunks in case of emergency, but jumping a battery for newer vehicles might not be the best choice. These vehicles have many digital and computer systems that communicate with one another. A surge of voltage when a battery is connected to another could cause damage to the components and render your vehicle unusable.

Connect the cables to the vehicle that is operating. Allow it to run for two minutes. Attach the red clip to the positive terminal of the battery that is good (it will have "POS" or "+" on it). Attach the other end of the black cable to an unpainted, clean metal surface beneath the damaged car's hood. The engine block would be an ideal choice. Do not connect the black cable to the negative terminal of the dead battery because this could trigger an ignition that ignites the gasoline in the engine bay.

Once the cables are connected, you can start the vehicle and let it run about five minutes. Then disconnect the cables in reverse. Remember that the battery on your saab 93 key 9-3 is recharged when you drive, and it will take a while for the battery to come back down again. It's a good idea 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 missing keys aren't attempting to steal the car.

Replacement case

saab keys replacement owners typically only have one car key, and if that is lost, they will be charged. The reason for this is that it's not cheap to replace a key, and it involves replacing the CIM (Column Integration Module) or TWICE on older models, plus programming. In the event of theft, or other catastrophe, it is best to have an extra key. Even when the key is "new", it will not function.

Most locksmiths can't help you when you only have one working key and the dealer will charge you high fees how to open a saab 93 without a key replace the computer in your vehicle to make a replacement. We can reset and reprogram the computer's EEEPROM to make it ready to accept a new key without replacing the entire system. This could save you a lot of money. It's also less expensive than waiting until you lose the only key.