VCFRONT family
VCFRONT_a158_louverDisconnected
Not Available
What does the VCFRONT_a158_louverDisconnected alert mean?
The vehicle controller detects the front louver, or active grill shutter (AGS), motor is disconnected.
What you'll see in your Tesla
- Not Available
What triggers it
The front louver motor is disconnected for more than 30 seconds.
When it clears
The front louver motor is connected.
Potential impact
Cabin climate control system air conditioning may be limited or unavailable. Powertrain performance may be limited.
Affected models
Model 3 2017-2023
Model 3 2024+
Model S 2021+
Model X 2021+
Model Y
Model Y 2025+
Track your Tesla's alerts automatically
Alerts like this reach MyTeslaMate through your car's Tesla telemetry API. MyTeslaMate logs every alert your Tesla reports and turns it into readable history and real-time notifications — hosted TeslaMate with no server to run.