Xc90 ABL - One has Error Code

[ElectricEel]

So I have taken my light out, removed all the modules, cleaned with contact cleaner and nothing. I can get replacement modules (it has 4, but the smaller one has no codes on it but is the one with fins and much smaller). The whole lamp even used is super expensive, but I don't know which module does active bending lights? Any clues from anyone here? If not, might ask the volvo dealership - they probably won't be interested as I'm sure they'd love to sell me a new unit . I have taken the photos of the modules here though.

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Black module is responsible of ABL swiveling bending function. Like in P3 platform.