OBD Guide

B3A2F

Active Aerodynamic Feature Control Module C Power Mode Circuit Performance

B3A2F is an OBD-II diagnostic trouble code meaning: Active Aerodynamic Feature Control Module C Power Mode Circuit Performance. Common causes: poor contact in module connectors, open or short circuit in wiring harness. Estimated repair cost: $56–278.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–278 (est.)

Symptoms

  • Incorrect operation of active aerodynamic elements
  • Check Engine light comes on
  • Reduced aerodynamic efficiency

Causes

  • Poor contact in module connectors
  • Open or short circuit in wiring harness
  • Malfunction of the active aerodynamics control module
  • Problems with the fuse or relay box

How to Fix

  1. Check fuses and relays associated with the module
  2. Inspect the wiring harness and connectors for damage.
  3. Check the voltage at the module connector
  4. Test the active aerodynamics control module
  5. Replace module if necessary

Related codes

Error B3A2F by Vehicle Brand

FAQ

What does the B3A2F code mean?

B3A2F is an OBD-II diagnostic trouble code that indicates: Active Aerodynamic Feature Control Module C Power Mode Circuit Performance

What causes a B3A2F error code?

The most common causes of B3A2F include: Poor contact in module connectors; Open or short circuit in wiring harness; Malfunction of the active aerodynamics control module; Problems with the fuse or relay box.

How do I fix a B3A2F diagnostic trouble code?

To fix B3A2F: Check fuses and relays associated with the module. Inspect the wiring harness and connectors for damage.. Check the voltage at the module connector. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B3A2F?

Limited driving only, diagnose soon

How much does it cost to fix B3A2F?

The estimated repair cost for B3A2F is $56–278. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat