VCLEFT_a490 — HVC Dual Power Self Test Failure
Full alert identifier: VCLEFT_a490_HVCDualPowerSelfTestFailure
Alert description
A component necessary for providing power to the HVC was determined to be faulted in an unsafe state, or the test failed to run.
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_a490. Check the alert's Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
Contactor Delta Matches Left Bus
VCLEFT_
|
— |
Contactor Delta Matches Right Bus
VCLEFT_
|
— |
Contactor Voltage
VCLEFT_
|
V |
Failure Left Diode Shorted
VCLEFT_
|
— |
Failure Left Efuse Shorted
VCLEFT_
|
— |
Failure Right Domain Stuck Open
VCLEFT_
|
— |
Invalid Contactor Voltage Missing
VCLEFT_
|
— |
Invalid Insufficient Lowered Mismatch
VCLEFT_
|
— |
Show 7 more fields
| Signal | Unit |
|---|---|
Invalid Insufficient Raised Mismatch
VCLEFT_
|
— |
Invalid Left Hsd Not Off
VCLEFT_
|
— |
Invalid Left Hsd Not On
VCLEFT_
|
— |
Invalid Right Bus Voltage Missing
VCLEFT_
|
— |
Invalid Right Hsd Not On
VCLEFT_
|
— |
Left Vbus
VCLEFT_
|
V |
Right Vbus
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_a490.