B3A58

Active Aerodynamic Feature D Position Sensor 1 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 comes on
Possible problems with handling at high speeds

Causes

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

How to Fix

Check the integrity of the wiring harness
Check sensor contacts for oxidation
Measure sensor resistance
Check the voltage in the circuit
Replace sensor if necessary

Related codes

B3A59 B3A57 U0121