Osram | OSRAM LED H4 H7 H11 Classic 2.0 Car Headlight HB3 HB4 50W Power 12V High Low Beam 6000K Bright White Upgrade Lamp Fog Light Bulb

About CANBusThis product is WITHOUT canbus.1) If there's errors, but the lamps works well, it's your car detect it is not the stock lamp, it's normal and will not have bad effects, you can ignore the errors.2)If the lamps works abnormal, pls test the lamps with external 12V power, if it works normally, we will send you decoders to solve the problem; if it did not work, we will offer you refund or free replacement, thanks for your help