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Truck Key Programming Many customers come to your store with keys or fobs that are in a mess. Many customers will pay to fix the key/fob. Most key fobs need to be programmed by turning the ignition 'On then off within a certain time period. The vehicle will go into a programming mode, typically signalled by the door locks chiming or a loud chime. Keys One of the most valuable skills that a mechanic has is the ability to create and program keys and fobs. It's a simple upsell for customers who are replacing keys that have been stolen or lost and is an excellent source of extra revenue for your shop. Key programming is a specialized segment of automotive services that requires knowledge of the vehicle's specific immobilizer system as well as its unique methods for obtaining a pin code from the vehicle. The process is also dependent on the vehicle's CAN or LIN bus systems designed to allow communication between the various Electronic Control Units (ECU) inside the car or truck. If a new key is being programmed when a new key is programmed, the ECU will first backup the current key information. The key data is stored in the Body Control Module. The manufacturer could use different names for this module. These include the General Electric Module (GEM) Central Electric Module (CEM), Built-In Systems Interface (BSI), Front Electric Module (FEM), or Body Domain Controller (BDC). Once the existing key data has been backup, the new key can be programmed. Place the new key into the ignition cylinder, and change the key to the ON/RUN mode for approximately five seconds. After that then turn the key OFF and then take it out. Insert the key you previously programmed, and turn it on the ON/RUN. Typically, this causes a security light to illuminate. This means that the new key is not programmed correctly. Reverse the steps, turning off and on then turn it back on/off. This should correct the issue and allow you to start the vehicle with the new key. In many automobiles, you have to first enter the key-programming mode. This is accomplished by cycling the ignition key a couple of times without starting the vehicle. After that, you might need to press a button on your key fob a few times. If it is done correctly, the vehicle will enter programming mode and respond either by switching the door locks or playing an audible chime. Fobs A key fob is the short-range radio transmitter as well as an RFID chip that utilizes a set of radio frequencies to send a unique coded signal to an reader device. The proximity reader adapts to the radio signal and reads information from the RFID chips, granting access to the user, or deactivating a key if the key isn't the right one. Fob systems are designed to work with specific readers which makes them more secure than traditional locks. Fob systems can be integrated into larger building security systems which allows administrators to track the movements of users and provide audit trails detailing their activities. They also make it less necessary to change keys every time tenants move in and out or employees quit the company, which can be a costly hassle. Fobs are also more secure than traditional keys because they are not easily duplicated or hackable. While key fobs are intended to be secure, they could be vulnerable to hacking if the proper precautions aren't taken. They transmit a unique access/unlocking code every time, and they automatically lock after a specific amount of time. Therefore, an attacker needs more than a key fob to successfully attack the system. Most cars allow you to set up your own key fobs without the need for special equipment or a visit to the dealer. The procedure typically involves inserting the new fob into the ignition, turning it on, and pressing buttons within a specific time frame. When the vehicle has responded, typically by locking or unlocking doors, a chime will indicate that the key fob was successfully programmed. If your key fob doesn't function properly, it could be a simple battery problem. In many instances replacing the battery is the best option to restore the functionality. The most common type of battery used in key fobs is a coin that can be found in most pharmacies and home improvement stores for just a few dollars. If you're still having trouble getting your key fob working, contact an expert. They can diagnose the problem, and often give you a new key fob. Remotes Many trucks were built equipped with keyless entry remotes that can lock, unlock and even start the truck. These remotes must be programmed into the vehicle to work correctly. You can attempt to program the remote yourself but it's likely to require a professional, like a locksmith or a dealer. They have the appropriate equipment and tools to make sure that the new key is programmed correctly. The key fob is a small computer with a unique code that was programmed during manufacture. The car's receiver seeks out the code in the RF signals transmitted by the remote once it is activated. The car can only perform the action you've requested when it is certain that it's the correct key. There are a variety of ways to program the key fob of your car, depending on the make and model of the vehicle. Continued of them can be self-programmed by using the owner's manual or online instructions. Some are easier to program, whereas others are more complex. For instance, Nissan requires a specific sequence of steps to enter programming mode which can be easily missed. Additionally, the key fob must be pointed at the receiver correctly in order to pair properly and program. It is a risk to try and pair a second hand fob as the battery may be dead. Typically professional auto locksmiths or dealerships are able to program the key to your car and do this with an extra or even a replacement fob that you've bought. A professional can program your new key fob swiftly and efficiently. The process could only require an onboard procedure or programmer that is connected to the OBD2 port and is generally secure if it is executed correctly. Certain vehicles require a more complex EEPROM procedure which only experts be able to handle. Keyless Entry It is possible to execute an intentional replay attack [1] in spite of the fact that rolling code technology offers wireless security for keyless access. This technique involves recording a remote control signal and retransmitting it again at the right time. The new signal will be interpreted as an authentic one by the receiver, which allows access to the building or vehicle. Certain systems are equipped with EEPROM reprogramming into the system to avoid this. This requires specific tools to read and extract the data stored on the circuit board, which is not accessible through the OBD2 port. This information can be used to program the transmitter by using the correct code. It is recommended to have a professional who has vast knowledge of the system in your vehicle to complete this task. The process is pretty straightforward. To program a key fob for keyless entry, the driver's side door must be shut and opened. Press the LOCK and UNLOCK buttons simultaneously on the transceiver you want to program for a specific number of times in the predetermined timeframe (for instance three times within five seconds). When this sequence is complete the vehicle will enter programming mode, indicated by door locks cycling (locking and unlocking) or an audible chime. The process should only take a few seconds and allow you to continue with your day and drive on Logan's streets.