B3A3E

Active Aerodynamic Feature B Actuator Performance

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$111–333 (est.)

Symptoms

Inoperative aerodynamic elements
Error message on the dashboard
Reduced control efficiency at high speeds

Causes

Open or short circuit in wiring harness
Malfunction of the solenoid valve (solenoid)
Mechanical damage to the actuator
Problems with the control unit

How to Fix

Check wiring harness for damage
Check solenoid operation
Inspect the actuator for damage
Check the operation of the control unit
Replace faulty components

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