CANBUS Error Free: Built in Intelligent Constant IC Driver: 2A real current consumption-strongest Canbus function; Canbus error free in most of 90% cars in the world. High power version led bulb.
Application: For Brake Lights, Tail Lights. It is the same socket as the P21/5W socket,you can use it with confidence if it is a [P21/5W] socket model of your car original halogen bulb,Plug and Play.
【Troubleshooting】: Some customers installed the bulbs in cars that originally used halogen bulbs. The On-Board Computer (OBC) of the car requires the power of halogen bulbs. When they install LED bulbs, the OBC will recognize the bulbs as incorrect, so after a while, it will not allow electricity to pass through the bulbs, causing the bulbs to turn on first and then turn off(Hyper flashes). To solve this problem for these special cars, customers need to add an (P21/5W) LED decoder.