VCFRONT_a557_rightHeadlampInternalErrorV3
Not Available
What does the VCFRONT_a557_rightHeadlampInternalErrorV3 alert mean?
The Right Headlight Control Module (HCMR) detects an internal condition affecting the functionality of the right headlight, which is reported to the front vehicle controller (VCFRONT).
What you'll see in your Tesla
- Not Available
What triggers it
The pixel matrix manager detects non-functional pixels or has communication issues, or the voltage measured across the boost rail, Lowbeam, DRL, Side Marker, or Turn LEDs is out of range, or the LED drivers in the ECU have reported status flags, or certain values programmed in the matrix manager EEPROM are out of range.
When it clears
Clears when the HCMR is power cycled, which occurs during vehicle sleep.
Potential impact
Some headlight functions may be unavailable or may not function as expected. Headlight functionality may return after vehicle sleep.
Affected models
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