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Saab Key Programming

Saab cars made since 1994 have an immobilizer system built on coded keys. A new transponder is required for the addition of a second key, and special programming. This is usually done by the dealer using the Tech2 diagnostic tool.

It can be costly. This is why you should always have a spare key on hand.

Transponder key

The transponder keys are keys with an electronic chip that sends a signal to car when it is inserted into ignition. The car then checks to see whether the signal is the same as the one on the key. If the signals are identical, the car will unlock itself and begin. This is an excellent way to safeguard your car from theft.

Transponder keys are a popular addition to cars, but they're not as safe as traditional metal keys. The metal component of a traditional key can easily be cut and copied, whereas a transponder has an electronic chip which protects it. The chip has an unique code that is programmed into the car's computers to identify it.

The car will recognize the Saab keyfob, and allow it to turn on. However, how to open a saab 93 without a key it will only do this if the fob is unmodified and has a chip that has been programmed to match it. The car won't start when the key isn't programmed to match.

It is vital to have a spare Saab key. This is especially important especially if you reside in a rural area where there are numerous car thieves. The good part is that you can obtain a replacement key for your Saab without needing to visit an auto dealer and pay the high costs they ask. You can get the replacement key on the spot for less than half of the cost you would spend at dealerships.

Wired key

saab key fob replacement cars are usually supplied with two keys. If you only have one, it is an ideal idea to purchase an extra key fob as soon as you can in case you lose it the car will require an entirely new CIM unit, and the locking cylinders will have to be replaced. This could be expensive, especially if you are purchasing a used car.

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 it will require a lot of soldering. There isn't a standard method to do it, however, you should plan how to open a saab 93 without a key to route and solder each column and row. There are 22 microcontroller wires as well as pins to connect for this keyboard. It includes 5 rows and 17 column.

Once the rows and columns are soldered, it's the time to connect them to the key switches. Solder a diode on each key switch pin. This will shield the pins on the key switch from current and keep them from being shorted. A diode lets current only flow in one direction. It comes with a visual indicator with a black band that shows which way current will flow.

Some of the tools offered at auto parts storeslike the Autel MaxiIM IM608 PRO and IM508 -- could help customers in the shop, or even DIY users in some cases program replacement keys and restore lost immobilizer data Sanabria says. The tools plug into OBD ports and guide the user through each step and make the process more straightforward than replacing the car's computer.

Jump-starting the battery

A majority of people keep the set in their trunks to jump-start a vehicle in the event of an emergency, but it might not be the best idea for vehicles that are newer. These cars have a variety of digital and computer systems that communicate with each other. A voltage spike when a battery is connected to another one could cause damage to the parts making your car unusable.

Connect the cables to the vehicle operating. Allow it to run for two minutes. Attach the red clip on the positive terminal of the battery that's good. (It will read "POS" or "+".) Attach the other end to a clean and unpainted metal surface under the hood of the damaged 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 trigger sparks, which could ignite the gasoline that is in the engine compartment.

Once the cables are connected the vehicle that has been disabled and let it run for about five minutes before you disconnect the cables in reverse order. The battery in your Saab 9-3 will recharge while you drive. It takes a while for it to drop back down. You should purchase another key fob as soon as you can. Replacing the only one that works requires the installation and programming of a brand new computer chip.

Replacement case

Many saab key battery replacement owners have only one key for their car and if they lose that it's going to cost them. The reason is that it's expensive to add a new key, and it requires replacing the CIM (Column Integration Module) or TWICE on older models, as well as programming. In the event of theft, or any other calamity, it is best to have a spare key. Don't purchase a used key, even the case that it's "new." Keys that are claimed as new from a second-hand store will not be effective and are almost guaranteed to fail in the most critical moment.

Most locksmiths can't help you in the event that you only have one working key, and the dealer will charge for the cost of replacing the computer in your car to create a replacement. However, we can reset and re-program the computer's EEPROM to accept an alternative key without replacing the entire system. This could save you a significant amount of money. It's less expensive than wait until you lose the only key.