5 Killer Quora Answers On Saab Ignition Key Replacement
Saab Key Programming
saab replacement key cars produced since 1994 feature an immobilizer system based on a set of keys. In order to add a second key, it requires a new transponder and special programming. This is usually handled by the dealer using a Tech2 diagnostic tool.
This can be expensive. Always keep an extra set of keys at hand.
Transponder key
The transponder key is a key with an electronic chip that transmits a signal to the car when it is placed in the ignition. The car then analyzes the signal to see whether it is identical to that of the key. If the signals match then the car will be able to unlock and start. This is a great way to deter car theft and keep your car safe from thieves.
Transponder keys are a common feature in automobiles, but you should be aware they're not as secure as traditional metal keys. While the metal portion of a traditional key can be cut and copied however, a transponder is secured by an electronic chip. The chip is equipped with an unique code that is embedded into the car's computer to identify it.
When a Saab key fob is used the car recognizes it and allows it to turn on. However, it is only able to do this if the fob is unmodified and has a chip that has been programmed to match. The car won't start when the key isn't programmed to match.
It's important to make sure that you have an extra key for your saab 900 key. This is especially true for those who live in a rural location that has many car thieves. The good news is that you can obtain a replacement key for your saab Ignition key without needing to visit an auto dealer and pay the high costs that they ask. In the majority of instances, you can get a new key created on-the-spot at a fraction of the cost you'd pay at dealerships.
Wired key
saab 93 key replacement cars are usually provided with two keys. If you only have one, it is recommended to get an extra key as soon as you can. This is because if it's lost and the car needs an entirely new CIM and the locking cylinders replaced. This can be costly especially if you're purchasing a used vehicle.
The next step is to connect the row and columns wires to your microcontroller. This is the most difficult part of the project, and it will require lots of soldering. There isn't a standard method to go about it, but you need to think about how to connect and solder each column and row. For this keyboard, there are five rows and 17 columns, so there will be 22 microcontroller pins and wires to connect.
After the rows and column are soldered together after which it is time to connect the key switches. Solder a diode to each key switch pin. This will shield the pins from current, preventing them from being shorted. A diode permits current to only flow in only one direction. It has a visual indicator that is black, that shows which way current will flow.
Some of the tools offered at auto parts storeslike the Autel MaxiIM IM608 PRO and IM508 -- may help customers in the shop, or even DIY customers in some cases replace keys in the program and restore lost immobilizer data, Sanabria says. The tools plug into the OBD port and guide the user through the process, making it more simple than replacing the computer inside the vehicle.
Jump-starting the battery
The majority of people have a set of jumper cables in their trunks for emergencies, but jumping a battery on newer cars might not be the best idea. These cars have a variety of electronic devices and computers that communicate with each other. A surge in voltage while a battery is hooked up to another could cause damage to these components, rendering your car unable to drive.
Start the vehicle that is working and allow it to run for approximately two minutes before you connect the cables to the battery that is not working. Attach the red clip to the positive terminal on the good battery (it will have "POS" or "+" on it). Attach the other end to a clean, unpainted metal surface underneath the hood of the damaged vehicle. The engine block is a great choice. Do not connect the black cable to the negative terminal of the dead battery because this could trigger a spark that ignites the gasoline in the engine bay.
Once the cables are connected, start the vehicle you are not using and let it run for approximately five minutes before you disconnect the cables in reverse order. Keep in mind that the battery on the Saab 9-3 will be charged when you drive, and it can take a while for the battery to go back down again. It's a good idea invest in a spare key fob as soon as you can, because replacing the only functioning one requires the installation of a brand new computer module and a special program to convince it that the lost keys aren't in the process of trying to steal the car.
Replacement Case
Many Saab owners have only one key for their car and if they lose it, key, it will cost them. The reason is that it's costly to buy a new key, and that involves replacing the CIM (Column Integration Module) or TWICE on older models, plus programming. It's best to have a second key in the event of theft or any other catastrophe the best solution is to purchase an additional key as quickly as you can. Even when the key is "new" it will not work.
Most locksmiths aren't able to help in the event that you only have one working key and the dealer will charge you high fees to replace the computer in your vehicle for a replacement. We can reset and reprogram the computer's EEEPROM to make it ready to accept a replacement saab 9-3 key key without having to replace the entire system. This could help you save money. It's much cheaper rather than wait until you lose the sole key.