P05A1
Active Grille Air Shutter A Position Sensor Minimum/Maximum Stop Performance
Generic OBD-II
Real-world scan data
Seen in
108
scans in the past year
Found in
<0.1%
of scans
<0.1%
of scans that found faults
Appears alongside · share of P05A1 scans
Figures reflect only diagnostic scans recorded through our own apps and tools. Cars are typically scanned because a symptom or warning light prompted it, so these counts describe our scan records — not the incidence of faults in any model, and not the quality, reliability, or safety of any vehicle. No comparison between manufacturers or models is implied. All trademarks belong to their respective owners; no affiliation or endorsement is implied.
Common symptoms
What you'll notice
- Check if the active grille air shutter is properly aligned and not stuck.
- Inspect the wiring and connectors related to the active grille air shutter.
- Clean the active grille air shutter and the surrounding area to ensure there is no debris or obstructions.
- Replace the active grille air shutter if it has been damaged or is not functioning correctly.
Common causes
Most likely first
- Malfunctioning or faulty active grille air shutter position sensor
- Wiring or connection issues with the active grille air shutter system
- Restricted or blocked air intake due to debris or dirt
- Damaged or broken active grille air shutter mechanism
- Failure or malfunction of the control module responsible for the active grille air shutter system
How to diagnose & fix
Work through it in order
- Engine overheating
- Decreased fuel efficiency
- Decreased performance or power loss
- Illuminated Check Engine Light
- Abnormal noise or vibration
Read & clear P05A1 yourself
Scan your car, confirm the code, and clear it once it's fixed — with OBD DashX on your phone.