VCRIGHT family
VCRIGHT_a421_leftTailLightFault
Not Available
What does the VCRIGHT_a421_leftTailLightFault alert mean?
A condition has been detected affecting the left tail light.
What you'll see in your Tesla
- Not Available
What triggers it
The light is unplugged, does not draw current when on, or its EFuse is tripped.
When it clears
The light is plugged in, draws current when on, and its EFuse is not tripped.
Potential impact
The left tail light may not function as expected.
Affected models
Model 3 2024+
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.