B1103 — Citroën — Headlight Control Module Malfunction

B1103 (Citroën): Headlight Control Module Malfunction — what it means, the affected system and what to check before replacing parts.

Meaning, symptoms, causes and checks

The electronic control unit responsible for the headlights is malfunctioning, which may disrupt headlight operation. Manufacturer-specific definition; confirm applicability in the service information for the exact vehicle.

Affected system: Body