B3A4D

Active Aerodynamic Feature C Position Not Plausible

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Incorrect operation of the active aerodynamic element
Reduced stability at high speed
Check Engine Light Illuminates

Causes

Mechanical jamming or damage to the aerodynamic element
Problem with the motor or element drive
Position sensor malfunction
Wiring harness damage
Software failure in the control unit

How to Fix

Checking the mechanical condition of the aerodynamic element
Checking the power supply and motor control circuits
Checking the position sensor and its circuit
Diagnostics of the control unit for errors
Replacing faulty components

Related codes