VCBATT_a546_leftLowOrHighBeamLightCondition
Left headlight malfunction detected
What does the VCBATT_a546_leftLowOrHighBeamLightCondition alert mean?
A condition affecting left low beam (dipped beam) or high beam (main beam) functionality has been detected - the left low beam or high beam may be degraded or disabled.
What you'll see in your Tesla
- Left headlight malfunction detected
- Inspect light function - Schedule service if needed
What triggers it
An internal condition affecting the low beam (dipped beam) or high beam (main beam) LEDs, pixels, or the headlamp ECU's LED drivers is detected.
When it clears
Clears when the headlamp is powered off or reset. This may occur when the vehicle sleeps, installs a firmware (FW) update, or encounters a manual power cycle. If the condition persists, the alert will continue to set each time the low beam (dipped beam) or high beam (main beam) is used until the underlying condition is resolved.
Potential impact
Left low beam (dipped beam) or high beam (main beam) may be partially or fully disabled.
Affected models
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.