B3A38 — Active Aerodynamic Feature A Actuator Temperature Too Low

B3A38: Active Aerodynamic Feature A 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 A Actuator Temperature Too Low. Source catalogue definition; confirm applicability using vehicle service information.

Affected system: Body

Also written as: B3A38-00, B3A3800 (some scan tools add the fault-type byte, e.g. -00).