Code result
P05A9
Active Grille Air Shutter B Position Sensor Circuit
Moderate severity
What it means
Active Grille Air Shutter B Position Sensor Circuit: an electrical fault is present in the circuit. Active grille shutters manage airflow for engine cooling and aerodynamics.
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Open in sensor or wiring
highOne of the most commonly reported causes for this code — check this first.
Related help
Get the full diagnosis
Add your vehicle and see step-by-step repair help, recalls, and TSBs in Wrenchify.
Diagnose P05A9 freeNo credit card required