VCBATT_a474_leftHeadlampInternalError
Not Available
What does the VCBATT_a474_leftHeadlampInternalError alert mean?
An internal condition affecting left headlamp functionality has been detected - certain light functions or the headlamp fan may be degraded or disabled
What you'll see in your Tesla
- Not Available
What triggers it
The SSL100 pixel matrix detects non-functional pixels or has communication issues, or the voltage measured across the boost rail, Lowbeam Prefield, DRL segments, or Turn LEDs (Model S only) is out of range, or the LED drivers in the ECU have reported status flags, or certain values programmed in the SSL100 EEPROM are out of range, or the fan current is out of range.
When it clears
Headlamp power cycle
Potential impact
Certain light functions or the headlamp fan may be degraded or disabled. These functions will retry after the next headlamp power cycle (which occurs during sleep)
Affected models
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