PCS_a036_lvBusOv

PCS DCDC detects 12V bus voltage is higher than the safety threshold to continue its 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 12V bus voltage is higher than the safety threshold to continue its operation.

Cause

DCDC converter detects that low voltage bus voltage exceeds overvoltage 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-fix

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