B3A56 — Active Aerodynamic Feature D Actuator Temperature Too Low

B3A56: Active Aerodynamic Feature D Actuator Temperature Too Low — what it means, the affected system and what to check before replacing parts.

Meaning, symptoms, causes and checks

Active Aerodynamic Feature D Actuator Temperature Too Low. Source catalogue definition; confirm applicability using vehicle service information.

Affected system: Body

Also written as: B3A56-00, B3A5600 (some scan tools add the fault-type byte, e.g. -00).