OBD Guide

B3A2D

Active Aerodynamic Feature Control Module C Power Mode Circuit Low Voltage

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Inoperability of active aerodynamics
  • Error message on the dashboard
  • Reduced stability at high speeds

Causes

  • Damaged wiring harness
  • Faulty control module
  • Poor contact in connections
  • Module power problems

How to Fix

  1. Check wiring harness for damage
  2. Check control module connections
  3. Check the voltage in the power circuit
  4. Replace the control module if necessary

Related codes

Error B3A2D by Vehicle Brand