B3A50

Active Aerodynamic Feature C Position Sensor 2 Circuit High Voltage

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Incorrect operation of active aerodynamics
Error message on the dashboard
Reduced aerodynamic efficiency at high speeds

Causes

Short circuit in the sensor circuit
Position sensor malfunction
Wiring harness damage
Problems with the active aerodynamics control unit

How to Fix

Check the integrity of the wiring harness
Check the voltage in the sensor circuit
Replace position sensor if necessary
Check the control unit for errors

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