EPBR_a134 — Nv Ov
Full alert identifier: EPBR_a134_NvOv
Alert description
Motor negative lead voltage is higher than expected while active
Potential impact
Caliper motor or harness may be damaged
Set condition
The negative lead voltage measurement is higher than expected. This could be higher than 0.1 voltages if motor is driven in apply direction, or higher than estimated PWM voltage if driven in the release direction.
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_a134.