Active Grille Air Shutter B Performance Stuck Off
Active Grille Air Shutter B Performance Stuck Off: the actuator is stuck in the off position. Active grille shutters manage airflow for engine cooling and aerodynamics.
Affected components
- Active grille shutter b
- Active grille actuator b
Common causes
- High likelihood: Shutter jammed by debris or ice
- Low likelihood: Carbon or debris buildup preventing free movement
- Low likelihood: Component wear with age - mechanical play
Diagnostic notes
- The malfunction indicator lamp may illuminate
Related codes
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.