B3A2A

Active Aerodynamic Feature Control Module B Power Mode Circuit/Open

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Disabling active aerodynamics
The indicator light on the dashboard comes on
Reduced handling at high speeds

Causes

Broken wires in the wiring harness
Poor contact in module connectors
Active aerodynamics module B malfunction
Fuse or relay problems

How to Fix

Check the integrity of the wiring harness and connectors
Check fuses and relays associated with the module
Check power and ground on the module
If necessary, replace active aerodynamics module B

Related codes

B3A29 B3A2B B3A2C