In brief
In some performances, the repair may affect a separate managing part.
Useful to know
HELLA offers electronic components and separate LED repair solutions for corresponding headlights. This shows why a damaged light function is not always only seen as a replacement for the entire outer assembly. [1]
First, the exact module, cause and procedure for putting into operation must be established. It does not follow that each headlamp is detachable and each part is separately serviceable. The hull number is not the whole story in various electronic variants. Proper diagnostics and tuning are part of the specific solution, not a general visual similarity.
Sources
For further detail and to check the information: