OBD Guide

B3A24

Active Aerodynamic Feature Control Module A Power Mode Circuit High Voltage

B3A24 is an OBD-II diagnostic trouble code meaning: Active Aerodynamic Feature Control Module A Power Mode Circuit High Voltage. Common causes: malfunction of the generator or voltage regulator, damage to the active aerodynamics module wiring harness. Estimated repair cost: $56–167.

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

FAQ

What does the B3A24 code mean?

B3A24 is an OBD-II diagnostic trouble code that indicates: Active Aerodynamic Feature Control Module A Power Mode Circuit High Voltage

What causes a B3A24 error code?

The most common causes of B3A24 include: 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 do I fix a B3A24 diagnostic trouble code?

To fix B3A24: Check the voltage in the on-board network (should be within 13.5-14.5V with the engine running). Inspect the module wiring harness for damage. Check the integrity of fuses and relays associated with the module. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B3A24?

Limited driving only, diagnose soon

How much does it cost to fix B3A24?

The estimated repair cost for B3A24 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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