OBD Guide

P05AE

Active Grille Air Shutter B Performance/Stuck Off

P05AE is an OBD-II diagnostic trouble code meaning: Active Grille Air Shutter B Performance/Stuck Off. Common causes: mechanical jamming of blinds (ice, dirt, foreign object), worn or broken blind hinges.

Severity
⚠️ Medium
Can you drive?
Do not drive — repair immediately

Symptoms

  • Check Engine light on
  • Engine overheating under prolonged loads
  • Slow engine warm-up (with stuck open blinds)
  • Reduced cooling efficiency
  • Visible damage to the blinds or foreign objects in the grille

Causes

  • Mechanical jamming of blinds (ice, dirt, foreign object)
  • Worn or broken blind hinges
  • Malfunction of the electric drive (actuator) of the blinds
  • Damage to rods or transmission mechanism
  • Blind control module malfunction

How to Fix

  1. Read codes and check data in real time (blind position by command and sensor)
  2. Visually inspect the blinds through the radiator grille to see if there is any ice, debris or visible damage.
  3. Check the power supply and control signal to the blinds actuator
  4. Try to manually move the blinds (with the ignition off) - they should move freely
  5. Replace the actuator or blind assembly if there is a mechanical fault
  6. After repair, adapt the system according to the manufacturer’s procedure

Related codes

Error P05AE by Vehicle Brand

FAQ

What does the P05AE code mean?

P05AE is an OBD-II diagnostic trouble code that indicates: Active Grille Air Shutter B Performance/Stuck Off

What causes a P05AE error code?

The most common causes of P05AE include: Mechanical jamming of blinds (ice, dirt, foreign object); Worn or broken blind hinges; Malfunction of the electric drive (actuator) of the blinds; Damage to rods or transmission mechanism.

How do I fix a P05AE diagnostic trouble code?

To fix P05AE: Read codes and check data in real time (blind position by command and sensor). Visually inspect the blinds through the radiator grille to see if there is any ice, debris or visible damage.. Check the power supply and control signal to the blinds actuator. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P05AE?

Do not drive — repair immediately

See also: Russian version · NationStat