OBD Guide

B3532

Air Flow Control 10 Feedback Circuit Performance

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$22–167 (est.)

Symptoms

  • Incorrect operation of the ventilation/climate control system
  • Spontaneous switching of blowing modes
  • Lack of response to changing settings

Causes

  • Open or short circuit in wiring harness
  • Damper control solenoid valve malfunction
  • Mechanical jamming of the damper
  • Problems with the climate control unit
  • Corrosion of contacts in connections

How to Fix

  1. Conduct a visual inspection of the wiring harness and connections
  2. Check resistance and continuity of feedback circuit
  3. Test the operation of the solenoid valve
  4. Check the mechanical movement of the air dampers
  5. Scan the control unit for additional errors
  6. If necessary, replace faulty components

Related codes

Error B3532 by Vehicle Brand