B3A41 — Active Aerodynamic Feature B Actuator Temperature Too High

B3A41: Active Aerodynamic Feature B Actuator Temperature Too High — what it means, the affected system and what to check before replacing parts.

Meaning, symptoms, causes and checks

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

Affected system: Body

Also written as: B3A41-00, B3A4100 (some scan tools add the fault-type byte, e.g. -00).