OBD Guide

B3A24

Active Aerodynamic Feature Control Module A Power Mode Circuit High Voltage

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

Symptoms

  • Incorrect operation of active aerodynamic elements (spoilers, air intakes)
  • Check Engine Light Is On
  • There may be malfunctions in other electronic systems

Causes

  • Malfunction of the generator or voltage regulator
  • Damage to the active aerodynamics module wiring harness
  • Short circuit in power supply
  • Malfunction of the active aerodynamics module itself

How to Fix

  1. Check the voltage in the on-board network (should be within 13.5-14.5V with the engine running)
  2. Inspect the module wiring harness for damage
  3. Check the integrity of fuses and relays associated with the module
  4. Test the active aerodynamics module
  5. If necessary, replace faulty components

Related codes

Error B3A24 by Vehicle Brand