P0500 BMW -

Question

sometimes when starting the car everything works perfectly other times the traction control +abs +automatic transmission warning lights stay on and the automatic transmission is sluggish and will not kick down its as if the car is starting in 3rd gear ran diagnostic and it came up with error code P0500 speed sensor A which wheel is speed sensor A

Answer 1

P0500 Vehicle speed sensor

This will be from the right wheel speed sensor