EPBR_a171 — 12v Uv
Full alert identifier: EPBR_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
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 |
|---|---|
12 V Filt
EPBR_
|
V |
Nv Filt
EPBR_
|
V |
Pv Filt
EPBR_
|
V |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of EPBR_a171.