Five Killer Quora Answers To Saab Ignition Key Replacement

saab 93 key programming Key Programming

saab 93 key cars made since 1994 utilize an immobilizer system based on a set of keys. A new transponder is required for addition of an additional key, as well as special programming. This is usually done by the dealer using a special Tech2 diagnostic tool.

The issue is that this could be quite costly. It is always advisable to keep a spare set of keys on hand.

Transponder key

The transponder is a type of key equipped with an electronic chip. This chip sends out a signal when the key is inserted in the ignition. The car then analyzes the signal to determine whether it is the same as the one in the key. If the signals are identical the car will be able to unlock itself and start. This is a great method to guard your car against theft.

Transponder keys are a favored feature in cars, but you must be aware that they are not as secure as classic metal keys. While the metal parts of a traditional key could be cut and copied but a transponder key is protected by an electronic chip. This chip contains a unique code programmed into the car's computer to identify it.

When a saab 9-3 key fob replacement key fob is used, the car recognizes it and allows it to turn on. However, it will only do this if your key fob has a non-modified chip that has been programmed to match the original. Otherwise, the car would reject the key and won't start.

It is crucial to have a spare saab 9-3 key not accepted contact service key. This is especially important if you live in a rural region where there are a lot of car burglars. The good news is that it's possible to get a replacement key for your Saab without having to go to a dealer and pay the expensive prices that they ask. In the majority of cases, you can have a brand new key made right on the spot at a fraction of the cost of what you'd pay at an auto dealer.

Key for Wired

saab key fob repair cars are usually delivered with two keys. If you own only one, you should get an additional key as fast as you can. This is because if it's lost, the car will need a new CIM and the locking cylinders replaced. This can be expensive especially for used vehicles.

The next step is connecting the row and columns wires to your microcontroller. This is the most challenging part of the project and will require a good amount of soldering. There isn't a standard method to go about it, but you need to determine how to route and connect each column and row. For this keyboard, there are five rows and 17 columns, which means 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. Solder a diode on each key switch pin. This will protect the key switch pins from current and keep them from being shorted. The diode will only allow the current to flow in a single direction, and it comes with a a black band visual indicator that indicates the direction in which current will flow.

Sanabria says that a few of the tools offered in auto parts stores, including the Autel MaxiIM IM608PRO or IM508 are able to assist shoppers or DIY customers to program replacement keys and restore immobilizer data. The tools plug into OBD ports and guide the customer through each step and make the process more straightforward than replacing the vehicle's computer.

Jump starting the battery

Most people keep a set of jumper cables in their trunks for emergencies however, jumping a battery in newer vehicles might not be the best option. These vehicles have many computers and digital devices that communicate with one another. A surge in voltage while the battery is connected to another can fry the components and render your vehicle unable to drive.

Connect the cables to the vehicle working. Let it run for two minutes. 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 beneath the hood of your disabled vehicle. The engine block is an excellent alternative. The black cable should not be connected to the negative terminal of the dead battery. This could cause sparks, which could ignite the gasoline in the engine compartment.

Once the cables are connected, you can start the vehicle that has been disabled and let it run for approximately five minutes before you disconnect them in reverse order. The battery in your Saab 9-3 will be recharged as you drive. It takes a while for it to fall back. You should purchase an additional key fob when you can. Replacing the original one that works requires the installation and programming of a brand new computer chip.

Replacement case

Many saab Ignition key owners have only one key for their car and if they lose that it's going to cost them. The reason for this is that it's expensive to add 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 case of theft or any other catastrophe and the most effective way is to buy an extra key as soon as you can. But don't buy a used key, even the case that it's "new." Keys that are claimed-new purchased from third-party sellers won't work and are almost guaranteed to fail at the critical moment.

The majority of locksmiths won't be able to help with a single 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 your computer's EEPROM to prepare it to accept an alternative key without replacing the whole system. This can save you a lot of money. It's much cheaper instead of waiting until you lose the sole key.