HVLINK family
HVLINK_a038_EnergyReserveFault
High voltage system error detected
What does the HVLINK_a038_EnergyReserveFault alert mean?
The High Voltage DC Link Controller (HVLINK) has detected a failure condition on the energy-reserve circuit.
What you'll see in your Tesla
- High voltage system error detected
- Vehicle may not restart - Service is required
What triggers it
Voltage, capacitance, or leakage of the energy-reserve circuit are out-of-tolerance.
When it clears
Voltage, capacitance, or leakage of the energy-reserve are within expected tolerance.
Potential impact
Pyro deployment may be compromised.
Affected models
Semitruck
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