Home >> Mazda >> 2023 >> 3 Select, 4D Hatchback >> Repair and Diagnosis >> Accessories & Equipment >> Collision/Avoidance >> On-Board Diagnostic - Adaptive Front Lighting System (AFS) Control Module >> DTC U0122-87: COMMUNICATION ERROR WITH DSC HU/Control Module [ADAPTIVE FRONT LIGHTING SYSTEM (AFS) CONTROL MODULE (US)] >> Diagnostic Procedure