Saab Key Programming

Saab cars built since about 1994 come with an immobilizer system based on coded keys. To add an additional key, you need the purchase of a new transponder as well as special programming. This is usually done at the dealer using a Tech2 diagnostic tool.

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

Transponder key

The transponder is a type of key that has an electronic chip. The chip transmits a signal when the key is placed into the ignition. The car then checks the signal to determine if it matches that of the key. If the signals are in sync it will unlock and start. This is a great way to deter car theft and keep your vehicle secure from thieves.

Transponder keys are a popular feature in automobiles, but you should be aware that they're not as secure as traditional metal keys. While the metal part of a traditional key can be cut and copied however, a transponder is secured by an electronic chip. This chip contains an unique code that's programmed into the car's computer in order to identify it.

The car will recognize the saab 9-3 key keyfob, and allow it to be turned on. But, it's only able to do this if the key fob has an unmodified chip that has been programmed to match. If not, the car will reject the key and won't start.

It is essential to ensure that you have a spare key for your saab keys replacement. This is especially important if you reside in a rural location that has many car thieves. You can get a new key for your Saab by visiting the dealership, without having to pay their pricey costs. You can get a replacement key created on the spot at a fraction of the cost you would spend at dealerships.

Wired key

saab 9-3 replacement key cars are typically delivered with two keys. If you own only one, you should get an additional key as soon as you can. This is because if the key is lost and the car is damaged, it will require an entirely new CIM and the locking cylinders replaced. This can be costly, especially if you are purchasing a used vehicle.

The next step is to wire the wires for the column and row to the microcontroller. This is the most challenging part of the project and will require a large deal 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 wires as well as pins to connect to this keyboard. It has 5 rows and 17 column.

After the columns and rows are soldered, it's time to connect them to the key switches. To do this, place a diode over each key switch pin and solder it. This will protect the pins of the key switch from current and keep them from being shorted. A diode permits current to only flow in one direction. It is equipped with a visible indicator of a black line that indicates the direction in which current will flow.

Sanabria says that some of the tools available in auto parts stores, like the Autel MaxiIM IMM608PRO and IM508 will assist customers shopping or DIY customers to program replacement keys and restore the immobilizer's data. The tools connect to OBD ports and guide the customer through each step and make the process more straightforward than replacing the car's computer.

Jumpstarting the battery

The majority of people have an item in their trunk to jump-start their vehicle in an emergency, but it might not be a good idea for vehicles that are newer. These cars have a variety of electronic devices and computers that communicate with one another. A voltage surge while the battery is connected to another can fry these components, rendering your vehicle unable to drive.

Start the vehicle that is working and allow it to run for around two minutes before you connect the cables to the non-working one. Attach the red clip to the positive terminal of the battery that's good. (It will read "POS" or "+".) Attach the other end of the black cable to an unpainted, clean metal surface under the disabled car's hood--the engine block is a good option. Do not connect the black cable to the negative terminal on the dead battery, as this could trigger a spark that ignites the gasoline in the engine bay.

Once the cables are connected, turn on the vehicle that has been disabled and allow it to run for around five minutes before you disconnect them in reverse order. The battery in your Saab Ignition Key Replacement 9-3 will recharge while you drive. It will take some time for it to recharge again. It's a good idea invest in a spare key fob as soon as you can, since replacing the only functioning one requires the installation of a brand new computer module and a special program to convince the system that your lost keys aren't trying to steal the car.

replacement saab 9-3 key case

Saab owners usually have only one car key, and if it is lost, they will be charged. It's expensive to purchase the key and also requires replacing the CIM or TWICE in the case of older models. It's recommended to have a spare key in case of theft or any other catastrophe, and the best way is to buy an extra key as soon as you are able to. Don't buy a secondhand key, even it's "new." Claimed-new keys purchased from third-party sellers won't work and are likely to fail at the critical moment.

The dealer will charge you top dollars if you only have one working key. We can reset and reprogram the computer's EEEPROM for it to accept a new key without having to replace the entire system. That can save you a significant amount of money. It's less expensive instead of waiting until you lose the only key.