P05A1
Active Grille Air Shutter A Position Sensor Minimum or Maximum Stop Performance
Active Grille Air Shutter A Position Sensor Minimum or Maximum Stop Performance: the component is electrically intact but its response does not match the command. Active grille shutters manage airflow for engine cooling and aerodynamics.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: medium
Common causes
Ordered by how often each turns out to be the cause.
- Linkage worn or slippingCommon
Parts involved
- Active Grille Position Sensor A
- Active Grille Actuator A
P05A1 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.