OBD Guide

B3A2D

Active Aerodynamic Feature Control Module C Power Mode Circuit Low Voltage

B3A2D is an OBD-II diagnostic trouble code meaning: Active Aerodynamic Feature Control Module C Power Mode Circuit Low Voltage. Common causes: damaged wiring harness, faulty control module. Estimated repair cost: $56–167.

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

FAQ

What does the B3A2D code mean?

B3A2D is an OBD-II diagnostic trouble code that indicates: Active Aerodynamic Feature Control Module C Power Mode Circuit Low Voltage

What causes a B3A2D error code?

The most common causes of B3A2D include: Damaged wiring harness; Faulty control module; Poor contact in connections; Module power problems.

How do I fix a B3A2D diagnostic trouble code?

To fix B3A2D: Check wiring harness for damage. Check control module connections. Check the voltage in the power circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B3A2D?

Limited driving only, diagnose soon

How much does it cost to fix B3A2D?

The estimated repair cost for B3A2D is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat