VCLEFT_a489 — HVC Dual Power Self Test Lowered PCS Debug
Full alert identifier: VCLEFT_a489_HVCDualPowerSelfTestLoweredPCSDebug
Alert description
The change in voltage of the HVC input rail compared to its expected changes if driven by the left or right busses.
Potential impact
This information is not available in the alert reference.
Set condition
This information is not available in the alert reference.
Clear condition
This information is not available in the alert reference.
Signals to check
These diagnostic fields are associated with VCLEFT_a489. Check the alert's Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
Contactor Voltage Change
VCLEFT_
|
V |
Left Vbus Expected Change
VCLEFT_
|
V |
Right Vbus Expected Change
VCLEFT_
|
V |
Vbus Mismatch
VCLEFT_
|
V |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCLEFT_a489.