PCS_a033 — Hv Bus Uv
Full alert identifier: PCS_a033_hvBusUv
Alert description
PCS DCDC detects pack voltage is lower than the safety threshold to continue its 12V support operation
Potential impact
Inability to precharge HV bus, inability to support 12V system, inability to drive
Set condition
DCDC converter detects that high voltage bus voltage is below undervoltage threshold
Clear condition
DCDC converter state machine clears faults
Signals to check
Open this alert in Service Mode Plus and review the Payload tab. Use the field names below to identify the values shown by your vehicle.
| Signal | Unit |
|---|---|
HV Bus V
PCS_
|
V |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of PCS_a033.