5 Killer Quora Answers On Saab Ignition Key Replacement
Saab Key Programming
Saab cars built since 1994 use an immobilizer that relies on key codes. Adding an extra key requires a new transponder and special programming. This is usually done by the dealer, using a specially-designed Tech2 diagnostic tool.
This can be expensive. This is why you should always have a spare key at hand.
Transponder key
The transponder is a type of key that has an electronic chip. This chip sends a signal when the key is placed into the ignition. The car then checks the signal to determine if it matches the one that is in the key. If the signals are in sync it will unlock and begin. This is a great way to prevent auto theft and keep your car safe from thieves.
Transponder keys are an increasingly popular feature in automobiles, however you should be aware they're not as secure as classic metal keys. The metal component of the traditional key can easily be cut and copied, however the transponder is protected by an electronic chip that safeguards it. This chip has a unique code programmed into the car's computers to identify it.
The car will recognize the Saab keyfob, and allow it to turn on. However, it can only do this if your key fob is equipped with a chip that is not modified that has been programmed to match. In the absence of that, the car will reject the key and refuse to start.
It's important to make sure that you have a spare key for your Saab. This is particularly important for those who live in a rural area where there are numerous car thieves. You can get a brand new key for your Saab by visiting the dealership and not paying their high cost. In most instances, you can get a brand new key made right on the spot for less than half the cost of what you would pay at the dealer.
Key for Wired
Saab cars typically come with two keys when they are new. If you have only one, it is recommended to purchase an extra key fob as soon as you can, because if you lose it, your car will require the replacement of a CIM unit and the locking cylinders will need to be replaced. This could be expensive, especially if you are buying a second-hand car.
The next step is connecting the wires of columns and row to your microcontroller. This is the most difficult part of the project and will require a good amount of soldering. There isn't a standard way to accomplish this, but it is essential to determine the way you'll route and solder the rows and columns. For this keyboard, there are five rows and 17 columns. So there will be 22 microcontroller wires and pins to connect.
After the columns and rows are soldered together after which it is time to connect the key switches. To do this, you need to place a diode across each pin of the key switch and solder it. This will shield the pins on the key switch from current and prevent them from being shorted. A diode allows the flow of current to be in one direction, and it comes with a a black band visual indicator that indicates the direction in which current will flow.
Sanabria states that some of the tools that are sold in auto parts stores, including the Autel MaxiIM IM608PRO and the IM508 can assist customers who are shopping or DIY customers to program replacement saab key keys and restore the immobilizer's data. The tools plug into OBD ports and guide the customer through each step and make the process more straightforward than replacing the car's computer.
Jumpstarting the battery
A majority of people keep an item in their trunk to jump-start their car in an emergency, but it might not be a good idea for cars with more modern technology. They have numerous computers and digital devices that communicate with one another. A voltage spike when a battery is hooked up to another could cause damage to these components and render your car undriveable.
Connect the cables to the vehicle working. Allow it to run for two minutes. Attach the red clip to the positive terminal of the battery that's good. (It will read "POS" or "+".) Attach the other end to a clean unpainted metal surface underneath the hood of the disabled car. The engine block is a great option. Do not connect the black cable to the negative terminal of the dead battery because this could cause an ignition that ignites the gasoline in the engine bay.
Once the cables are connected, you can begin the car and allow it to run for around five minutes. Then, disconnect them in reverse. Keep in mind that the battery on the saab ignition key, you could look here, 9-3 will be charged when you drive, so it could take a while for the battery to go back down again. It is a good idea to buy a spare key fob as soon as you can, since replacing the one that works requires the installation of a new computer module and a special program to convince it that your missing keys aren't attempting to steal the car.
Replacement Case
Many saab key fob owners only have one key for their car and if they lose it, they'll be charged. The reason for this is that it's expensive to add a new key, and this involves replacing the CIM (Column Integration Module) or TWICE on older models, and programming. It is best to have a second key in the event of theft or other disaster the best solution is to purchase an additional key as soon as you are able to. However, don't purchase a secondhand key even it's "new." Keys that are claimed as new from a second-hand store will not perform and are almost certain to fail at the critical moment.
Most locksmiths aren't able to help if you have only one working key, and the dealer will charge top dollar to replace the computer in your car to make a new replacement. We can, however, reset and re-program the computer's EEPROM to accept an alternative key without replacing the whole system. This could save you a lot of money. It's more affordable rather than wait until you lose the sole key.