PCS_a067 — Dcdc Lv Rationality
Full alert identifier: PCS_a067_dcdcLvRationality
Alert description
PCS DCDC LV bus voltage reading differs from VCFRONT LV 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 low voltage bus voltage sensor mismatches front vehicle controller's sensed value on CAN for more than three seconds
Clear condition
DCDC converter low voltage bus voltage sensor matches front vehicle controller'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 Lv Bus Volt
PCS_
|
V |
Vcfront Pcs E Fuse V
PCS_
|
V |
Vcfront Vcright 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_a067.