PEPS vs PS Key: What’s the Difference?

Modern Jaguar and Land Rover vehicles come with advanced key systems that blend security and convenience. Since around 2018, these brands have introduced two main types of smart keys that look almost identical but work in slightly different ways. Understanding which one your vehicle uses can save time and ensure you receive the correct replacement or programming service.

What Is a PEPS Key?

PEPS stands for Passive Entry, Passive Start. This system uses ultra wideband technology, allowing the vehicle to detect the precise position of your key. With a PEPS key, your car unlocks automatically as you approach. You can then start the engine by pressing the start button, as long as the key is inside the cabin.

Ultra wideband technology adds an extra layer of protection by making it far more difficult for thieves to perform relay attacks. The car measures the actual distance of the key rather than simply detecting its signal, which improves both security and reliability.

What Is a PS Key?

PS stands for Passive Start. This type of key offers the same convenience when starting your car but lacks the passive entry feature. You will need to press the unlock button on the fob to open the doors, but once inside, the system still allows the car to start with a simple press of the start button while the key remains nearby.

The Key Differences

While both systems let you start your car effortlessly, only PEPS keys allow for completely hands-free entry. The PS key requires manual unlocking and does not use ultra wideband technology. In short, PEPS keys provide a fully passive experience, while PS keys are a step simpler but still modern and secure.

National Car Keys Has You Covered

At National Car Keys, we stock both PEPS and PS keys, offering genuine and high-quality OEM replacements. Our technicians always carry both types, ensuring that your vehicle receives the correct key, cut and programmed on the same visit.

Whether you need a spare or a full replacement, we will confirm your key type and arrange a convenient appointment to get you back on the road quickly and securely.

Our service is available nationwide, covering most parts of the UK. No matter where you are, we’re ready to help.

Just book a technician, and we’ll take care of the rest. Let us provide you with the peace of mind you deserve.

Contact us at 07900 224444 for a free quotation, and let us handle all your car key replacement needs.