B3A56

Active Aerodynamic Feature D Actuator Temperature Too Low

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–222 (est.)

Symptoms

Reduced efficiency of active aerodynamics
Check Engine Light Illuminates
Possible problems with handling at high speeds

Causes

Servo fault
Wiring Harness Problems
Insufficient servo power supply
Software error in the control unit

How to Fix

Diagnostics of the servo drive for mechanical damage
Checking the wiring harness and connections
Servo Power Testing
Control unit software update
Replacing the servo drive if necessary

Related codes

B3A55 B3A57 proposition protége