Car Key Chip Problems

If you drive a fairly modern car there is less of chance that you will have to deal with this which is mostly attributed to the presence of key fobs and keyless entry remotes.

Car key chip problems.

If the car s engine doesn t get a signal from the key its immobiliser keeps it from starting by any other means. The inside of the key fob contains a transponder chip. A transponder key has a small computer chip inside that communicates with your car s engine and this type of key is almost always standard for cars today. When you put the key into the ignition or have the key fob inside the vehicle for keyless fobs the transponder chip inside the key fob sends a security code to the car s immobilizer system.

The chip in the key transmits a specific code of which there are millions. Afterwards use the unprogrammed key or press a button on the key fob. Like all computers the chip inside your transponder key needs to be programmed so that your car s engine can communicate with it. If one key does not respond try the other one.

To program a car key turn the ignition on and off with working keys. When it starts to take more effort to unlock the doors of the car this is commonly a sign that the battery has worn out and needs to be replaced. If the car will not turn over stay running or operate with the key there may be a problem with your microchip or with something else in your car s ignition system. The keys have a built in chip that sends a code to the alarm system when you insert it into the ignition.

If you ve recently had new keys made or are using a spare key of any sort your key may need to be programmed so it can communicate with your car s engine. That chip won t work in case of a broken or damaged key. Transponder keys must be used to start the car s engine. If this security code matches the code in the immobilizer system the car will be allowed to start.

For the most part a fully functional key fob will be able to unlock the doors on a car in just a single click. If this code matches the ones programmed into the vehicle engine starting is enabled. The key itself could be the culprit for the anti theft system car wont start. If you only have 1 key to your car or don t want to invest in a locksmith making valid transponder keys and just want metal keys here s how to do it the fas.

If the car starts and drives properly there is no problem with your key s microchip.