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B0624moderate severityBody

Mode Door Actuator Circuit

on 2015 Kia Forte 1.8L I4 · FWD

What this code means

Malfunction in the HVAC mode door actuator. The mode door directs airflow to floor, dash, or defrost outlets.

Symptoms

  • Air only comes from one set of vents
  • Cannot switch between floor/dash/defrost
  • Defrost mode not available
  • Clicking behind dashboard when changing modes

Common causes

  • Faulty mode door actuator
  • Mode door binding
  • Stripped actuator gears
  • HVAC control module fault
  • Wiring damage

Diagnostic steps

  1. Listen for actuator when changing mode
  2. Test actuator with direct power
  3. Check for mechanical binding
  4. Inspect actuator gears
  5. Scan HVAC module

Repair notes

Replace mode door actuator. Ensure mode door moves freely before installing new actuator.

Other Body codes on this vehicle

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