SCM_a091_voltageRiseDetection

Supercharger detected a voltage arc, either legitimately, or as a result of the High Voltage (HV) circuit being opened under load.

Live incidence rate

<0.01% (Extremely rare)

Vehicle messages

None displayed

Impact

May result in thermal damage to components, or welding/fatigue on Fast Charge (FC) contactors.

Description

Supercharger detected a voltage arc, either legitimately, or as a result of the High Voltage (HV) circuit being opened under load.

Cause

Supercharger detects a rapid change in energy on the HV bus, matching the signature for an arc.

Clear condition

Charge handle is disconnected from vehicle.

Models

Cybertruck, Model 3 2017-2023, Model 3 2024+, Model S 2021+, Model X 2021+, Model Y, Model Y 2025+

Visibility

service

Want to track your firmware alerts, trips and more?

Sign up for Tessie. Try it free for 14 days. Happiness guaranteed.