PartsSquare 4x T10 Error Free Load Resistor LED Decoder Warning Flashing Canceller Adapter Solution for fast turn signal blinking? response after installing SMD LED light bulb This?decoder will work for European vehicles such as Audi, BMW, Mercedes, Porsche LED Bulbs May Trigger Error Sensors on Some Vehicles with Can-bus Error Detection The T10 SMD bulbs will replace 2825,158,168,194,W5W,912,921 etc Socket Type: T10