Five Killer Quora Answers On Saab Ignition Key Replacement

Saab Key Programming

Saab cars produced since 1994 utilize an immobilizer system that relies on a set of keys. In order to add a second key, it requires 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. You should always keep a spare set of keys in your possession.

Transponder key

The transponder is a piece of key that has an electronic chip. This chip sends a signal when the key is inserted in the ignition. The car then analyzes the signal to see whether it matches the one that is in the key. If both signals match, the car will unlock itself and start. This is a great way to safeguard your car from theft.

Transponder keys are a popular addition to cars, but they're not as secure as traditional metal keys. The metal portion of a traditional keys can be easily cut or copied, while transponders are protected by an electronic chip that guards it. The chip has an individual code that is programmed into the car's computer to identify it.

The car will recognize the Saab keyfob, and allow it to turn on. The car will only recognize the key fob if it is equipped with an unmodified chip and programmed to match. Otherwise, the car would reject the key and won't start.

It is crucial to have a spare saab ignition key Replacement key. This is especially important especially if you reside in a rural region where there are numerous car thieves. The good thing is that you can obtain a replacement key for your saab 9-3 replacement key without having to go to an auto dealer and pay the high costs that they ask. You can have an original key made on the spot for less than half of the cost you would spend at dealerships.

Key for Wired

saab 93 key fob cars usually come with two keys when new. If you only have one, you should get an additional key as soon 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 expensive particularly for used cars.

The next step is to connect the wires of the column and row to the microcontroller. This is the toughest part of the project and it will require lots of soldering. It's not a common way to do it, but you must determine how to route and solder each column and row. For this keyboard, there are five rows and 17 columns, which means there will be 22 microcontroller pins and wires to connect.

After the columns and rows are soldered, it's time to connect them to the key switches. To do this you must place an inverter over each pin on the key switch and then solder it. This will shield the pins from current, preventing them from being shortened. A diode allows current to only flow in only one direction. It has a visual indicator, a black band, that indicates the direction in which current will flow.

Sanabria states that some of the tools available in auto parts stores, like the Autel MaxiIM IM608PRO or IM508 are able to 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 user through each step and make the process more straightforward than replacing the car's computer.

Jump starting the battery

A lot of people keep a set in their trunks to jump-start a vehicle in the event of an emergency, but it might not be the best idea for newer cars. These vehicles are equipped with a number of digital and computer systems that communicate with each other. A voltage surge when batteries are connected to another can fry 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 good battery (it will have "POS" or "+" on it). Attach the other end to a clean and unpainted metal surface beneath the hood of the disabled vehicle. The engine block is a good alternative. The black cable should not be connected to the negative terminal of the dead battery. This could result in sparks, which would ignite the gasoline in the engine compartment.

Once the cables are connected, start the disabled vehicle and let it run for about five minutes before disconnecting the cables in reverse order. Be aware that the battery in the saab key fob 9-3 will be charged when you drive, and it will take a while for the battery to go back to normal. You should invest in another key fob when you can. Replacing the only one that works requires the installation and programming of a brand new computer chip.

Replacement Case

Saab owners usually only have one car key, and if that is lost, they will be charged. It's expensive to buy the key and also requires replacing the CIM or TWICE in the case of older models. In the event of theft or other catastrophe it is recommended to have a spare key. Even when the key is "new" it will not function.

Most locksmiths aren't able to help if you have only one working key, and the dealer will charge high fees to replace the computer in your car to create a replacement. We can reset and reprogram the EEEPROM of your computer for it to accept a replacement key without replacing the entire system. This can help you save money. It's also a lot cheaper than waiting until you lose your one key.