Five Killer Quora Answers On Saab Ignition Key Replacement

Saab Key Programming

saab ignition key cars manufactured since 1994 have an immobilizer feature built on coded keys. To add an additional key, you need the purchase of a new transponder as well as special programming. This is usually done by the dealer using a Tech2 diagnostic tool.

This can be expensive. This is why you should always have a spare key at hand.

Transponder key

The transponder can be described as a key equipped with an electronic chip. This chip sends out a signal when the key is put into the ignition. The car is able to check whether the signal is the same as the one on the key. If the signals match then the car will be able to unlock and start. This is an excellent way to protect your car from theft.

Transponder keys are an increasingly popular feature in automobiles, however you should 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 but a transponder key is protected by an electronic chip. This chip contains an unique code that is embedded into the car's computer to identify it.

When a Saab key fob is used the car recognizes it and allows it to turn on. The car will only recognize the key fob when it has an unmodified chip and has been programmed to match. The car will not start when the key isn't programmed to match.

It is important to have an extra saab key programmer key. This is particularly important especially if you reside in a rural location where there are a lot of car thieves. The good news is that it's possible to find a replacement key to your Saab without needing to visit a dealer and pay the high costs they ask. You can get a replacement key created on the spot at a fraction of the price you'd pay at the dealership.

Key for Wired

Saab cars are typically delivered with two keys. If you own only one, you need to purchase an extra key as soon as you can. This is because, if it's lost and the car is damaged, it will require a new CIM and the locking cylinders replaced. This can be costly particularly if you are purchasing a used vehicle.

The next step is to connect the wires for columns and row to your microcontroller. This is the most laborious part of the project and will require lots of soldering. There's no standard way to accomplish this, but it's important to plan out the way you'll route and solder the columns and rows. There are 22 microcontroller wires as well as pins to connect to this keyboard. It has 5 rows and 17 column.

After the rows and column are joined, it is time to connect the key switches. To do this, you need to place an inverter over each key switch pin and then solder it. This will protect the pins on the key switch from current and prevent them from being shorted. A diode allows current to only flow in only one direction. It features a visual indicator of a black line that shows the direction in which the current will flow.

A few of the tools that are available at auto parts storeslike the Autel MaxiIM IM608 Pro and IM508 -- may assist customers at the shop or DIY customers in certain instances replace keys in the program and restore lost immobilizer information, Sanabria says. The tools plug into OBD ports and guide the customer through each step, making the process easier than replacing the car's computer.

Jumpstarting the battery

The majority of people have a set of jumper cables in their trunks to use in an emergency, but jumping a battery on modern vehicles may not be the best option. These vehicles are equipped with electronic devices and computers that communicate with each other. A surge of voltage when batteries are connected to another one could cause damage to the parts making your car inoperable.

Start the working vehicle and let it run for about two minutes before you connect the cables to the one that is disabled. Attach the red clip to the positive terminal on the battery that is good (it will have "POS" or "+" on it). Attach the other end to a clear, unpainted metal surface beneath the hood of the damaged car. The engine block is a great option. Do not connect the black cable to the negative terminal on the dead battery because this could trigger an ignition spark that ignites the gasoline in the engine bay.

Once the cables are connected, you need to begin the car and let it run about five minutes. Then disconnect them in reverse. Be aware that the battery of the saab 900 key 9-3 gets recharged when you drive, and it will take a while for the battery to come back to its original level. It is recommended to purchase a second key fob, when you can. Replacing the one that works requires the installation and programming of a brand new computer chip.

Replacement Case

saab ignition key owners typically only have one car key, and if that is lost, 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 case of theft or any other catastrophe the best solution is to purchase a second key as soon as you are able to. Don't buy a secondhand key even the case that it's "new." Claimed-new keys from a second-hand store will not be effective and are almost guaranteed to fail in the most critical moment.

The dealer will charge you the most expensive dollar if you only have one working key. We can, however, reset and reprogram the computer's EEPROM how to open a saab 93 without a key prepare it to accept the new key without having to replace the whole system. This can save you a significant amount of money. It's also cheaper than waiting until you lose the only key.