HVP_w040_FcContactorFellOpen

The High Voltage Processor (HVP) has detected a Fast Charge (FC) contactor has opened during a closed state.

Live incidence rate

<0.01% (Extremely rare)

Vehicle messages

None displayed

Impact

The FC contactors will open. The vehicle may not be able to DC charge. The current charging session may be unexpectedly terminated as the FC contactors open.

Description

The High Voltage Processor (HVP) has detected a Fast Charge (FC) contactor has opened during a closed state.

Cause

The HVP has detected a voltage drop across the FC contactor, low contactor coil FC current, and the auxiliary switch is open. This indicates a FC contactor has opened despite being in a closed state.

Clear condition

The HVP detects the FC contactor state as open.

Models

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

Visibility

service

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