Five Killer Quora Answers To Saab Ignition Key Replacement

Saab Key Programming

Saab cars that were built prior to 1994 have an immobilizer feature that is based on codes for keys. Adding an extra key requires an entirely new transponder and programming. This is usually done by the dealer using a special Tech2 diagnostic tool.

This can be expensive. It is always advisable to keep a spare set of keys on hand.

Transponder key

The transponder is a type of key with an electronic chip. The chip transmits a signal when the key is inserted in the ignition. The car then examines the signal to see whether it matches that of the key. If the signals match then the car will be able to open and start. This is a great way to deter car theft and keep your car safe from thieves.

Transponder keys are an increasingly popular feature for cars, but they're not as secure as traditional metal keys. While the metal parts of a conventional key can be cut and copied the transponder is protected by an electronic chip. The chip contains a unique code that's programmed into the car's computer in order to identify it.

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

It is vital to have a spare Saab key. This is particularly true when you live in a rural location that has many car thieves. You can purchase a new key for your saab ignition key (you can try Telegra) by visiting the dealership without paying their expensive cost. 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 cars are typically delivered with two keys. If you have only one, it is best to acquire an additional key fob as soon as possible as if you lose it the car will require the replacement saab 9-3 key of a CIM unit and the locking cylinders will need to be replaced. This can be costly, especially for used cars.

The next step is to connect the wires for the column and row to the microcontroller. This is the most laborious part of the project and will require a lot of soldering. It's not a common way to go about it, however, you should plan how to route and solder each column and row. There are 22 microcontroller wires and pins that you can connect to this keyboard. It has five rows and 17 column.

After the columns and rows are soldered, it's the time to connect them to key switches. Solder a diode to each key switch pin. This will shield the pins from current, preventing them from being cut off. A diode allows the flow of current to be in one direction, and has a the black band as a visual indicator that indicates which way the current will flow.

Some of the tools offered at auto parts stores -like the Autel MaxiIM IM608 Pro and IM508 -- may aid shop customers or DIY users in some cases program replacement keys and restore lost immobilizer data Sanabria says. The tools plug into the OBD port and automatically guide the customer through the process, making it easier than replacing the computer inside the vehicle.

Jumpstarting the battery

A lot of people keep a set of jumper cables in their trunks for emergencies however, jumping a battery in newer automobiles might not be the best idea. They have numerous electronic devices and computers that communicate with one another. A surge in voltage when batteries are connected to another can fry the components, rendering your car undriveable.

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 of the black cable to an unpainted, clean metal surface beneath the damaged vehicle's hood. An engine block is a good option. The black cable is not to be connected to the negative terminal of the dead battery. This could cause sparks, which would ignite the gasoline inside the engine compartment.

After the cables have been connected, you should begin the car and let it run for about five minutes. Then disconnect the cables in reverse. Be aware that the battery of the Saab 9-3 gets recharged while you drive, so it can take a while for the battery to go back to its original level. It's a good idea to purchase a spare fob as soon as you can, because replacing the sole working one requires the installation of a new computer module and a special program to convince it that your missing keys aren't trying to steal the car.

Replacement case

saab 900 key owners often only have one car key, and if that is lost, they will be charged. The reason is that it's not inexpensive to add a new key, and it involves 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 advisable to have an extra key. Even it's "new", it will not function.

The dealer will charge you top dollars if you only have one working key. We can, however, reset and re-program your computer's EEPROM to accept a new key without replacing the entire system. This can save you lots of money. It's cheaper to do this than waiting until you lose your only key.