PCS DCDC detects 12V bus voltage is lower than the safety threshold to continue its operation.
<0.01% (Extremely rare)
None displayed
Inability to precharge HV bus, inability to support 12V system, inability to drive
PCS DCDC detects 12V bus voltage is lower than the safety threshold to continue its operation.
DCDC converter detects that low voltage bus voltage is below undervoltage threshold
DCDC converter state machine clears faults
Model 3 2017-2023, Model 3 2024+, Model S 2021+, Model X 2021+, Model Y, Model Y 2025+
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