SCCM family
SCCM_a003_highBeamOpen
High beam control malfunction
What does the SCCM_a003_highBeamOpen alert mean?
Steering Column Control Module (SCCM) detected a high beam stalk open circuit. Analog-to-Digital Converter (ADC) reads 5V.
What you'll see in your Tesla
- High beam control malfunction
- Not Available
What triggers it
SCCM detected a high beam stalk open circuit.
When it clears
Inspect wiring to SCCM and/or re-flash. If error persists after several power cycles, replace SCCM.
Potential impact
High beam control from gear stalk may not operate as expected.
Affected models
Model 3 2017-2023
Model 3 2024+
Model S 2021+
Model X 2021+
Model Y
Model Y 2025+
Semitruck
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