PCS_a066 — Dcdc Hv Rationality
Full alert identifier: PCS_a066_dcdcHvRationality
Alert description
PCS DCDC HV bus voltage reading differs from HVP HV bus voltage reading by an excessive amount
Potential impact
Inability to precharge HV bus, inability to support 12V system, inability to drive
Set condition
DCDC converter high voltage bus voltage sensor mismatches high voltage processor's sensed value on CAN for more than three seconds
Clear condition
DCDC converter high voltage bus voltage sensor matches high voltage processor's sensed value on CAN for more than 500ms
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 |
|---|---|
Dcdc Hv Bus Volt
PCS_
|
V |
Hvp Hv Link Voltage
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_a066.