VCREAR_a171 — 12v Uv
Full alert identifier: VCREAR_a171_12vUv
Alert description
The battery voltage measurement, nominally 12 volts, was lower than expected.
Potential impact
12V Battery or low voltage systems may be damaged
Set condition
The vbat voltage measurement, is lower than 6.0 volts. If the measurement is lower than 0.25 volts, we do not set this alert, as this would indicated the switch supply is disabled.
Clear condition
Caliper state machine exits csmState CSM_FAULT
Signals to check
These diagnostic fields are associated with VCREAR_a171. Check the alert's Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
12 V Filt
VCREAR_
|
V |
Nv Filt
VCREAR_
|
V |
Pv Filt
VCREAR_
|
V |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCREAR_a171.