5 Killer Quora Answers On Saab Ignition Key Replacement

Saab Key Programming

Saab cars manufactured since 1994 use an immobilizer system that relies on keys that are coded. Adding an extra key requires the purchase of a new transponder as well as special programming. This is usually done at the dealer, using a specially-designed Tech2 diagnostic tool.

The issue is that this can be very expensive. This is the reason why you should always have a spare key at hand.

Transponder key

The transponder is a type of key with an electronic chip. The chip sends a signal when the key is put into the ignition. The car will then check the signal to see whether it is the same as the one that is in the key. If the signals match the car will then unlock and begin. This is an excellent way to safeguard your car from theft.

Transponder keys are a favored feature in automobiles, however it is important to know that they're not as secure as traditional metal keys. While the metal portion of a traditional key can be cut and copied however, a transponder is secured by an electronic chip. This chip has a unique code programmed into the car's computer to identify it.

The car will recognize the Saab keyfob and allow it to be turned on. The car will only recognize the key fob when it has a chip that is unmodified and programmed to match. The car will not start in the event that the key is not programmed to match.

It is crucial to have an extra saab 9-3 key replacement key. This is especially true for those who live in a rural area where there are many car thieves. The good news is that it's possible to find a new key for your Saab without having to go to an auto dealer and pay the expensive prices that they charge. In most cases, you can have a brand new key made right on the spot at a fraction of the price of what you would pay at dealerships.

Wired key

Saab cars usually come with two keys when they are new. If you only have one, it's best to acquire an additional key fob as soon as is possible as if you lose it the car will require a new CIM unit and saab ignition key the locking cylinders will need to be replaced. This can be costly especially if purchasing a used vehicle.

The next step is to wire the row and column wires to the microcontroller. This is the most difficult part of the project and it will require a lot of soldering. There is no standardized way to accomplish this, however it's important to plan out the routes you'll use to solder the columns and rows. There are 22 microcontroller wires and pins that you can connect for this keyboard. It includes 5 rows and 17 column.

After the rows and column are soldered together after which it is time to connect the key switches. To do this you must place a diode across each pin of the key switch and solder it. This will shield the key switch pins from current and keep them from being shorted. A diode allows current to flow in one direction, and it also has a a black band visual indicator that indicates the direction in which current will flow.

A few of the tools that are available at auto parts stores -like the Autel MaxiIM IM608 Pro and IM508 -- may aid shop customers or DIY customers in certain cases replace keys in the program and restore lost immobilizer data Sanabria says. The tools plug into OBD ports and guide the user through each step which makes the process much easier than replacing the vehicle's computer.

Jump-starting the battery

The majority of people have a set in their trunk to jump start a vehicle in the event of an emergency, however it might not be the best idea for cars with more modern technology. These vehicles are equipped with numerous digital and computer systems that communicate with one another. A voltage surge while a battery is hooked up to another could cause damage to these components, rendering your car undriveable.

Connect the cables to the vehicle operating. Allow it to run for two minutes. Attach the red clip to the positive terminal of the good battery. (It will say "POS" or "+".) Attach the other end to a clean unpainted metal surface underneath the hood of your disabled vehicle. The engine block is a great choice. The black cable should not be connected to the negative terminal of the dead battery. This could create sparks, which could ignite the gasoline in the engine compartment.

Once the cables are connected, you need to start the car and let it run for about five minutes. Then, disconnect the cables in reverse. Be aware that the battery of your Saab ignition key 9-3 is recharged while you drive, so it will take a while for the battery to come back to its original level. It's a good idea to purchase a spare key fob as soon as you can, because replacing the only functioning one requires the installation of a brand new computer module and a special program to convince it that your missing keys aren't trying to steal the car.

Replacement Case

Many Saab owners only have one key for their vehicle and if they lose that key, it will cost them. It's expensive to add an additional key and it requires replacing the CIM or TWICE for older models. In the event of theft or any other calamity it is advisable to have a spare key. Don't purchase a used key even when it's "new." Keys that are claimed-new purchased from third-party sellers won't work and are likely to fail at the crucial moment.

Most locksmiths cannot help you when you only have one working key and the dealer will charge you top dollar to replace the computer in your car to create a replacement. However, we can reset and reprogram the computer's EEPROM to accept an alternative key without replacing the whole system. That can save you a lot of money. It's also a lot cheaper than waiting until you lose your sole key.