Five Killer Quora Answers To Saab Ignition Key Replacement

Saab Key Programming

saab replacement key cars produced from 1994 have an immobilizer system based on a set of keys. A new transponder is required for inclusion of an additional key, and special programming. This is usually done by the dealer using a Tech2 diagnostic tool.

The problem is that this can be quite costly. It is always advisable to keep an extra set of keys available.

Transponder key

The transponder key is a key with an electronic chip that sends a signal to the car when it is placed in the ignition. The car is able to check whether the signal is the same as the one on the key. If the signals are in sync the car will then unlock and start. This is a great way to prevent auto theft and keep your car secure from thieves.

Transponder keys are a common feature in vehicles, but you should be aware they are not as secure as traditional metal keys. While the metal portion of a traditional key could be cut and copied but a transponder key is protected by an electronic chip. The chip has a unique code that is inserted into a car's computer order to identify it.

The car will recognize the Saab keyfob and permit it to be turned on. The car can only recognize the key fob if the device has a chip that is unmodified and has been programmed to match. Otherwise, the car would reject the key and not start.

It is essential to have a spare saab Ignition key replacement key. This is especially important when you live in a rural location where there are a lot of car thieves. You can get a new key for your Saab by visiting the dealership without paying their high cost. In most cases, you can have a brand new key made right on the spot for less than half the cost you would pay at dealerships.

Key for Wired

saab 9-3 key not accepted contact service cars are typically delivered with two keys. If you only own one, you need to purchase an extra key as soon as you can. This is because if you lose it and the car needs a new CIM and the locking cylinders replaced. This could be expensive especially if you're purchasing a used vehicle.

The next step is connecting the wires for columns and row to your microcontroller. This is the most tedious component of the project and it will require a lot of soldering. There isn't a standard method to go about it, however, you should consider how you will route and solder each column and row. For this keyboard, there are 5 rows and 17 columns, which means there will be 22 microcontroller wires and pins to connect.

After the rows and column are soldered together, it is time to connect the key switches. Solder a diode to each key switch pin. This will shield the pins on the key switch from current and also prevent them from being shorted. A diode only allows the current to flow in a single direction, and it comes with a an indicator in black that shows the direction in which current will flow.

Some of the tools offered at auto parts stores -- such as the Autel MaxiIM IM608 PRO and IM508 -- could help shop customers or even DIY users in some 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, making the process easier than replacing the car's computer.

Jump-starting the battery

A lot of people keep a set of jumper cables in their trunks for emergency situations however, jumping a battery for newer vehicles may not be the most efficient option. These vehicles are equipped with digital and computer systems that communicate with one another. A surge of voltage when the battery is connected to another could cause damage to the components making your car inoperable.

Connect the cables to the vehicle operating. 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 the affected vehicle. The engine block is a good option. Do not connect the black cable to the negative terminal of the dead battery, as it could ignite a spark that ignites the gasoline in the engine bay.

After the cables have been connected, you should start the car and let it run about five minutes. Then, disconnect them in reverse. The battery in your Saab 9-3 will be recharged while you drive. It takes a while for it to return to its original state. It's a good idea to purchase a spare fob as soon as you can, since replacing the only functioning one requires the installation of a brand new computer module and special programming to convince it that your lost saab keys keys aren't trying to steal the car.

Replacement case

Many Saab owners only have one key for their vehicle and if they lose it, they'll be charged. It's expensive to purchase the key and also requires replacing the CIM or TWICE in the case of older models. It's best to have a backup key in the event of theft or any other catastrophe and the most effective way is to purchase an extra key as soon as you are able to. Even it's "new", it will not function.

Most locksmiths can't help you in the event that you only have one working key, and the dealer will charge you top dollar to replace the computer in your car to make a new replacement saab 9-3 key. However, we can reset and re-program the computer's EEPROM to prepare it to accept a new key without replacing the entire system. That can help you save money. It's also a lot cheaper than waiting until you lose the only key.