OBD Guide

P05FE

Active Grille Air Shutter C Performance/Stuck Off

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$33–222 (est.)

Symptoms

  • Check Engine Light Is On
  • Possible engine overheating when driving for a long time at high speed
  • Increase in coolant temperature above normal
  • Reduced cooling efficiency during traffic jams
  • Cooling System Warning

Causes

  • Clogged damper mechanism (ice, dirt, foreign objects)
  • Damper motor fault C
  • Open circuit or short circuit in the damper control wiring
  • Damper position sensor malfunction
  • Mechanical damage to blind blades

How to Fix

  1. Inspect the radiator grille dampers for blockages, ice, or foreign objects.
  2. Try to manually move damper C (with the drive switched off)
  3. Check the electric damper drive: power supply and control signal
  4. Activate the damper using a diagnostic scanner
  5. Check the wiring and connector of the damper actuator C
  6. Replace the damper actuator or mechanism if the fault is confirmed

Related codes

Error P05FE by Vehicle Brand