Five Killer Quora Answers On Saab Ignition Key Replacement

Saab Key Programming

Saab cars built since about 1994 have an immobilizer system that is based on codes for keys. The addition of a key requires the purchase of a new transponder as well as special programming. This is usually handled by the dealer using the Tech2 diagnostic tool.

It can be costly. It is recommended to always have a spare set of keys available.

Transponder key

The transponder is a key with an electronic chip. The chip sends a signal when the key is inserted into the ignition. The car then checks to see whether the signal is the same as the one on the key. If the signals match it will open itself and begin. This is a great way to prevent auto theft and keep your car safe from thieves.

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

When a Saab key fob is used, the car recognizes it and allows it to turn on. The car will only recognize the key fob if it has a chip that is unmodified and has been programmed to match. The car won't start in the event that the key has not been programmed to match.

It's essential to ensure that you have a spare key for your saab ignition key. This is especially important for those who live in a rural area where there are a lot of car burglars. You can get a new key for your saab 9-3 key replacement by going to the dealership, without having to pay their pricey costs. You can have an original key made on the spot for less than half the price you'd spend at an auto dealer.

Wired key

saab spare key cars usually come with two keys upon purchase. If you only have one, it is recommended to get an additional key as soon as you can. This is because if you lose it, the car will need a new CIM and the locking cylinders replaced. This can be expensive particularly for used cars.

The next step is to connect the wires for columns and row to your microcontroller. This is the most difficult part of the project, and will require lots of soldering. It's not a common way to go about it, but you need to determine how to route and connect each column and row. There are 22 microcontroller wires and pins to connect for this keyboard. It includes 5 rows and 17 columns.

After the columns and rows are joined It is now time to connect the key switches. To do this, put a diode across each key switch pin and solder it. This will shield the pins from current and prevent them from being shortened. The diode allows current to only flow in only one direction. It has a visual indicator of a black line that indicates which direction current will flow.

A few of the tools that are available at auto parts stores -like the Autel MaxiIM IM608 Pro and IM508 -- can help customers in the shop, or even DIY users in some cases program replacement saab car keys keys and restore the lost immobilizer's data, Sanabria says. The tools plug into OBD ports and help the customer through each step and make the process more straightforward than replacing the car's computer.

Jumpstarting the battery

Most people keep an item in their trunk to jump-start a vehicle in an emergency, but it may not be the best idea for cars with more modern technology. These vehicles have many computers and digital devices that communicate with each other. A surge in voltage when batteries are connected to another battery could damage the components making your car inoperable.

Connect the cables to the vehicle that is working. Let it run for two minutes. Attach the red clip to the positive terminal of the battery that is good. (It will read "POS" or "+".) Attach the other end to a clean unpainted metal surface beneath the hood of the affected car. The engine block is a good alternative. Don't connect the black cable to the negative terminal of the dead battery because this could cause an ignition source that ignites gasoline in the engine bay.

Once the cables are connected, you can start the disabled vehicle and let it run for about five minutes before disconnecting them in reverse order. Keep in mind that the battery on the saab replacement keys uk 9-3 gets recharged when you drive, so it could take a while for the battery to go back to normal. It is recommended to purchase a second key fob, as soon as you can. Replacing the one that works requires the installation and programming of a new computer chip.

Replacement Case

Many Saab owners have only one key for their car and if they lose it, it's going to cost them. The reason is that it's not inexpensive to purchase a new key, and it involves replacing the CIM (Column Integration Module) or TWICE on older models, and programming. In the event of theft or any other disaster it is recommended to have a spare key. Don't purchase a used key, even it's "new." Claimed-new keys from aftermarket sellers will not work and are likely to fail at the crucial moment.

Most locksmiths can't help you when you only have 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 in order to prepare it to accept the new key without having to replace the whole system. This could help you save money. It's also much less expensive than waiting until you lose your sole key.