PCS2REXB_a021 — Power Rail Under Voltage
Full alert identifier: PCS2REXB_a021_powerRailUnderVoltage
Alert description
The generated power rail (4.5V, 10V, or 18V) has gone lower than the allowed lower threshold
Potential impact
DCDC, AC charging, and outlet functionality may be limited or paused
Set condition
The power rail (4.5V, 10V or 18V) has gone lower than the allowed lower threshold
Clear condition
The power rail (4.5V, 10V or 18V) returns above the allowed lower threshold
Signals to check
These diagnostic fields are associated with PCS2REXB_a021. Check the alert's Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
10 V 0 Rail Under Voltage Threshold
PCS2REXB_
|
V |
10 V 0 Rail Under Voltage Trip
PCS2REXB_
|
— |
18 V 0 Rail Under Voltage Threshold
PCS2REXB_
|
V |
18 V 0 Rail Under Voltage Trip
PCS2REXB_
|
— |
4 V 5 Rail Under Voltage Threshold
PCS2REXB_
|
V |
4 V 5 Rail Under Voltage Trip
PCS2REXB_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of PCS2REXB_a021.