Hi I have Mazda Reg OV55YFA CODE UOO73 I can't seem to find it.

Question

Problem with my Can bus Headlights come on, on their own plus indicator problems and window operation on Passenger side.

Answer 1

U0073 Multiplex communication system

You need to use a scan tool that can read which module set the code, there is a ECM. (engine control module) , TCM , (Transmission control module), BCM (body control module), instrument cluster. ie., and this code is not going to cause the headlamp to come on their own. Poor ground or power supply should be check