B3A30

Active Aerodynamic Feature Control Module D Power Mode Circuit High Voltage

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$111–333 (est.)

Symptoms

Disabling active aerodynamics
Dashboard warning
Reduced efficiency at high speeds

Causes

Malfunction of the active aerodynamics control module
Problems with wiring or harness
Short circuit in the circuit
Power outages

How to Fix

Check the voltage in the module power circuit
Inspect the wiring harness for damage
Check the operation of the control module
Replace faulty components

Related codes

B3A31 B3A32 U0121