B3A3C

Active Aerodynamic Feature A 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
Check Engine Light Illuminates
Reduced efficiency at high speeds

Causes

Position sensor malfunction
Open or short circuit in the circuit
Problems with the control unit
Contact corrosion

How to Fix

Check the integrity of the sensor circuit
Check sensor resistance
Inspect contacts for corrosion
If necessary, replace the sensor or wiring

Related codes

B3A3A B3A3B B3A3D