Five Killer Quora Answers On Saab Ignition Key Replacement

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Saab cars built since about 1994 come with an immobilizer system that is based on codes for keys. Adding an extra key requires a new transponder and special programming. This is usually done by the dealer using a special Tech2 diagnostic tool.

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

Transponder key

The transponder is a piece of key that is equipped with an electronic chip. This chip sends a signal when the key is placed into the ignition. The car then analyzes the signal to see whether it is identical to the one in the key. If the signals are the same the car will then unlock itself and begin. This is a great method to avoid auto theft and keep your car safe from thieves.

Transponder keys are a common feature in automobiles, however you must be aware that they're not as secure as classic metal keys. While the metal part of a traditional key could be cut and copied, a transponder is protected by an electronic chip. This chip has a unique code programmed into the car's computers to identify it.

The car will recognize the Saab keyfob, and allow it to be turned on. However, it can only do this if the fob is unmodified and has a chip that has been programmed to match. The car won't start when the key isn't programmed to match.

It is essential to have a spare Saab key. This is especially true when you live in a rural area, where there are numerous car thieves. The good news is that you can get a replacement key for your saab 9-3 key not accepted contact service without needing to visit an auto dealer and pay the hefty prices that they ask. You can get an original key made on the spot for less than half the cost you would pay at an auto dealer.

Key for Wired

Saab cars are typically delivered with two keys. If you own only one, you need to purchase an additional key as fast as you can. This is because if it's lost and the car needs an entirely new CIM and the locking cylinders replaced. This can be costly especially for used vehicles.

The next step is connecting the wires for columns and rows to your microcontroller. This is the most challenging part of the project and requires a significant deal of soldering. It's not a common way to do it, however, you should plan how to route and connect each column and row. There are 22 microcontroller pins and wires to connect to this keyboard. It has five rows and 17 column.

After the columns and rows are soldered, it's time to connect them to the key switches. To do this you must place a diode across each pin on the key switch and then solder it. This will shield the pins from current, thus preventing them from being shortened. The diode allows current to only flow in only one direction. It comes with a visual indicator with a black band that indicates the direction in which current will flow.

Some of the tools offered at auto parts storeslike the Autel MaxiIM IM608 PRO and IM508 -- could assist customers at the shop or DIY customers in certain cases create replacement keys and restore lost immobilizer information, Sanabria says. The tools plug into the OBD port and guide the user through the process, making it easier than replacing the computer inside the vehicle.

Jump starting the battery

The majority of people have the set in their trunk to jump-start their car in case of emergency, but this might not be the best idea for newer cars. These vehicles are equipped with many electronic devices and computers that communicate with one another. A voltage surge when the battery is connected to another can fry the components and render your vehicle unusable.

Start the vehicle you are using and allow it to run for around two minutes before connecting the cables to the non-working one. Attach the red clip to the positive terminal of the battery that is good (it will have "POS" or "+" on it). Attach the other end to a clean unpainted metal surface underneath the hood of the affected car. The engine block is a good option. Don't connect the black cable to the negative terminal of the dead battery because this could cause an ignition source that ignites gasoline in the engine bay.

Once the cables are connected, start the disabled vehicle and allow it to run for around five minutes before disconnecting the cables in reverse order. Remember that the battery on the saab key fob programming ignition key (i thought about this) 9-3 gets recharged during your drive, which means it can take a while for the battery to go back to normal. It's a good idea purchase a spare key fob as soon as you can, because replacing the only working one requires the installation of a new computer module and a special program to convince it that your lost keys are not trying to steal the car.

Replacement Case

Saab owners usually only have one car key, and if that is lost, they'll be charged. It's expensive to purchase keys and will require replacing the CIM or TWICE for older models. It is recommended to have a second key in the event of theft or other disaster, and the best way is to purchase a second key as early as you can. Even it's "new" it won't work.

Most locksmiths aren't able to help with a single working key, and the dealer will charge high prices to replace the computer in your car to make a replacement. We can, however, reset and reprogram the computer's EEPROM in order to prepare it to accept an alternative key without replacing the entire system. This could save you lots of money. It's also cheaper than waiting until you lose your one key.