PCS_a033_hvBusUv

PCS DCDC detects pack voltage is lower than the safety threshold to continue its 12V support operation.

 Live incidence rate

<0.01% (Extremely rare)

Vehicle messages

None displayed

Impact

Inability to precharge HV bus, inability to support 12V system, inability to drive

Description

PCS DCDC detects pack voltage is lower than the safety threshold to continue its 12V support operation.

Cause

DCDC converter detects that high voltage bus voltage is below undervoltage threshold

Clear condition

DCDC converter state machine clears faults

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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