Why You Need a Key Transmitter Sub-Assembly ?

The modern marvel that is the key transmitter sub-assembly is a pivotal component of your vehicle's electrical key system. This tiny yet powerful device is integral for the seamless remote communication between your car's security system and your key fob. Imagine being able to lock, unlock, and start your car without ever needing to fumble with a traditional key - that's the convenience this part brings. It not only provides ease of access but also enhances vehicle security, as the vehicle can recognize only its designated transmitter.

How the Key Transmitter Works ⚙️

Embedded within the key transmitter sub-assembly is a microchip and several electronic components that generate a coded radio frequency signal when activated by the key fob. When you press a button on your fob, the signal is transmitted to the vehicle's receiver, granting the electronic command to unlock, lock, or start the engine. The system is designed to ensure that only the unique signal from your transmitter can communicate with your car, maintaining security across all operations.

Consequences of a Faulty Transmitter ?

A malfunctioning key transmitter can lead to inconvenience and security risks. Without it, you may face difficulties in remotely accessing or starting your vehicle. In worst-case scenarios, a damaged transmitter might prevent you from starting the engine entirely, potentially leaving you stranded. If you notice any delay or failure in response when using your key fob, checking and replacing the transmitter sub-assembly might be necessary.

Compatible Models:
• Prius