OBD Guide

P059F

Active Grille Air Shutter A Performance/Stuck Off

Severity
⚠️ Medium
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–278 (est.)

Symptoms

  • Check Engine light is on
  • Engine overheating when driving in hot weather or under load
  • The blinds appear to be stuck in the closed position.
  • Increase in coolant temperature above normal
  • Cooling fan operation under unusual conditions

Causes

  • Icing or heavy soiling of the blinds, blocking opening
  • Mechanical damage to the blind plates or drive hinges
  • Malfunction of the actuator (electric motor) of the blinds
  • Deformation of the blind body due to impact or accident
  • Gear or transmission failure in the blind drive mechanism

How to Fix

  1. Read error codes and check coolant temperature - make sure there is no overheating
  2. Inspect the blinds through the radiator grille for deformations, foreign objects, ice
  3. Try to manually move the blinds - assess the presence of mechanical resistance
  4. Give a command to open the blinds through the diagnostic scanner and observe the reaction
  5. Check the operation of the blinds actuator: supply voltage, current consumption
  6. Replace the blind unit or actuator if mechanical damage is detected
  7. Reset codes and make sure the blinds are working properly

Related codes

Error P059F by Vehicle Brand