What does the body control unit do exactly?

I have swapped the lights over and they non working does work and the working one doesn’t when swapped over if that makes sense, which is why is leads me to believe it’s an issue outside of th headlight itself. Which leads me onto what drives the DRL and whether that is faulty on one side?

Ok sounds like a lot of work. I will have to sell the headlamps and cut my losses I think! In regard to DRL I will have to get it diagnosed again and see what come up. Just wondered if there was some kind of unit that sends power to the DRL that is failing after indicator is used. I swapped the...

Thanks Nodge68 I replaced the battery 14 months ago as heard the same thing, have bought quality branded halogen bulbs online, maybe should try shop bought instead. I might have to scrap the HID idea as going to cost too much. How hard is it to fit ride level sensors? Do you have any answers...

I was told the light equivalent of ECU could be re programmed to auto level. The lights already have the headlight washers in front bumper. I wanted to change the lights as bulbs keep blowing fairly quickly. Also I have an issue with the DRL on the passenger side. When the indicator is used the...

Hi All, My first post... I have bought HID headlamp units to swap out Halogen Headlamp units on my FL2 2013 Dynamic. I was hoping for plug and play but not the case. A LR specialist plugged into ECU to tell it, it now has HID headlamps and only one light worked (Drivers side). Having spent a...