OBD Guide

B3A35

Active Aerodynamic Feature A Actuator Performance

B3A35 is an OBD-II diagnostic trouble code meaning: Active Aerodynamic Feature A Actuator Performance. Common causes: electromechanical drive malfunction, wiring harness damage. Estimated repair cost: $111–333.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$111–333 (est.)

Symptoms

  • Reduced efficiency of active aerodynamics
  • Incorrect operation of moving aerodynamic elements
  • Malfunction indicator light comes on

Causes

  • Electromechanical drive malfunction
  • Wiring harness damage
  • Problems with the control unit
  • Mechanical damage to the moving element
  • Corroded or dirty contacts

How to Fix

  1. Diagnose the actuator using an OBD-II scanner
  2. Check the wiring harness for damage or corrosion.
  3. Check the operation of the electromechanical drive
  4. Check the control unit for errors
  5. If necessary, replace faulty components

Related codes

Error B3A35 by Vehicle Brand

FAQ

What does the B3A35 code mean?

B3A35 is an OBD-II diagnostic trouble code that indicates: Active Aerodynamic Feature A Actuator Performance

What causes a B3A35 error code?

The most common causes of B3A35 include: Electromechanical drive malfunction; Wiring harness damage; Problems with the control unit; Mechanical damage to the moving element.

How do I fix a B3A35 diagnostic trouble code?

To fix B3A35: Diagnose the actuator using an OBD-II scanner. Check the wiring harness for damage or corrosion.. Check the operation of the electromechanical drive. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B3A35?

Limited driving only, diagnose soon

How much does it cost to fix B3A35?

The estimated repair cost for B3A35 is $111–333. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat