The Advanced Guide To Saab Ignition Key Replacement

Saab Key Programming

Saab cars manufactured since 1994 use an immobilizer system based on coded keys. Adding an extra key requires an entirely new transponder and programming. This is usually done by the dealer with a specialized Tech2 diagnostic tool.

The issue is that this could be very costly. This is why it is important to always keep a spare key in your possession.

Transponder key

The transponder can be described as a key that is equipped with an electronic chip. This chip sends a signal when the key is put into the ignition. The car then checks the signal to see if it matches the one that is in the key. If the signals match then the car will be able to unlock and start. This is a great method to prevent auto theft and keep your car safe from thieves.

Transponder keys are a favored feature in automobiles, however you should be aware that they're not as secure as classic metal keys. The metal portion of a traditional key is easily cut or copied, while transponders have an electronic chip which protects it. The chip is equipped with an individual code that is embedded into the car's computer to identify it.

The car will recognize the saab keys keyfob and allow it to turn on. However, it is only able to do this if your key fob has an unmodified chip that has been programmed to match. Otherwise, the car will reject the key and won't start.

It is crucial to have an extra Saab key. This is especially important if you reside in a rural location that has numerous car thieves. The good thing is that you can find a new key for your Saab without having to go to a dealer and pay the high costs they ask. You can have the replacement key on the spot for less than half what you would pay at dealerships.

Key for Wired

Saab cars usually come with two keys when they are new. If you only have one, it's recommended to purchase an additional key fob as soon as possible in case you lose it the car will require a new CIM unit and the locking cylinders need to be replaced. This can be costly especially for used vehicles.

The next step is to wire the row and column wires to the microcontroller. This is the most tedious part of the project, and it will require lots of soldering. There is no standardized way to accomplish this, but it is essential to determine the routes you'll use to solder the columns and rows. There are 22 microcontroller wires as well as pins to connect to this keyboard. It includes 5 rows and 17 column.

After the columns and rows are joined after which it is time to connect the key switches. To do this you must place an inverter over each key switch pin and then solder it. This will protect the pins from current, preventing them from being shortened. A diode can only allow current to flow in one direction, gwwa.yodev.net and has a a black band visual indicator wake-upcenter.com 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 and the IM508 can assist customers who are shopping or DIY customers to program replacement keys and restore immobilizer information. The tools plug into OBD ports and help the customer through each step which makes the process much easier than replacing the vehicle's computer.

Jump starting the battery

Most people keep a few sets of jumper cables in their trunk for emergencies, but jumping a battery on newer vehicles may not be the best choice. These vehicles have many digital and computer systems that communicate with one another. A voltage spike when a battery is connected to another could cause damage to the components making your car unusable.

Start the vehicle that is working and allow it to run for approximately two minutes before connecting the cables to the disabled one. Attach the red clip on the positive terminal of the good battery. (It will read "POS" or "+".) Attach the other end to a clean unpainted metal surface under the hood of the disabled vehicle. The engine block is a good alternative. The black cable is not to be connected to the negative terminal of the dead battery. This could result in sparks, which could ignite the gasoline inside the engine compartment.

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

Replacement case

Many saab 9-3 key not accepted contact service owners only have one key for their vehicle and if they lose it, it's going to cost them. The reason is that it's expensive to purchase a new key, and that involves replacing the CIM (Column Integration Module) or TWICE on older models, as well as programming. It is best to have a second key in case of theft or any other catastrophe and the best option is to purchase an extra key as quickly as you can. However, don't purchase a secondhand key, even when it's "new." Claimed-new keys from aftermarket sellers will not perform and are almost certain to fail at the critical moment.

The majority of locksmiths won't be able to help if you have only one working key, and the dealer will charge you top dollar to replace the computer in your vehicle to create a replacement. However, we can reset and re-program the computer's EEPROM in order to prepare it to accept the new key, without replacing the whole system. This could help you save a significant amount of money. It's cheaper to do this instead of waiting until you lose your only key.