Discover our LED CANbus

    What is LED CANbus?

    Some car models present particular challenges for LED-based retrofit lamps. When upgrading your car with LED retrofit bulbs, challenges may occur such as an error message on the dashboard, flickering or dimmed lights. These error messages don’t mean the LED bulb itself is faulty.

    Other LED bulb

    Flickering effect

    Dimming effect

    That's why we've developed smart solutions to overcome these challenges. CANbus adapters ensure the vehicle’s lighting systems function smoothly, for reliable electrical performance over time.


    Please check the LED compatibility list to ensure you buy the right connector ring for your car model!

    Adapter CANbus

    Adapter CANbus

    Prevents inaccurate dashboard warnings

    Light repair CANbus

    Light repair CANbus*

    Prevents flickering and dimming 

    *The Philips Light Repair CANbus is directly integrated into our new-generation bulbs (Ultinon Pro5000 and Ultinon Pro9000). No need for additional accessories! In some rare cases, an additional CANbus might be required to eliminate the flickering effect completely.

    Why choose the Philips LED CANbus?

    Compatibility Assured

    Compatibility assured

    Easy to install, these adaptors ensure compatibility with your car's electrical systems, preventing potential problems with dashboard warnings, flickering headlamps and high-beam indicators*.

    Superior Electrical Perfformance

    Superior electrical performance

    The Philips CANbus adaptor lets you ensure the constant performance of your LED upgrade headlamps and enjoy a better electrical fit with your car

    Easy Installation

    Easy installation

    The Philips LED CANbus is compatible with all Philips LED headlight ranges (Ultinon Essential, Ultinon Pro5000 and Ultinon Pro9000)

    Waterproof Connectors

    Waterproof connectors

    Type-specific adaptors are durable and provide IP65 protection from ingress of dust and water

    * High beam dashboard indicator is only valid for LED-HL [≈H4].

    Check LED compatibility list


    Ensure you buy the right connector ring and CANbus for your car model

    Find the right LED CANbus for your car

    Handy tools for helping you to make the right choice

    Find the right led for your car

    Discover more

    Automotive support

    Automotive Support

    Do you need a replacement Philips headlights for your car?

    Where to buy

    Where to buy

    Purchase Philips Automotive products online or at a store near you

    Automotive articles

    Automotive articles

    Learn more about our Philips automotive lighting technology, innovation and solutions through our articles

    You are about to visit a Philips global content page


    Our site can best be viewed with the latest version of Microsoft Edge, Google Chrome or Firefox.