EPBR_a127 — Motor N Volt High
Full alert identifier: EPBR_a127_MotorNVoltHigh
Alert description
Motor negative lead voltage is greater than 6.0 volts while inactive
Potential impact
Caliper motor or harness may be damaged
Set condition
The Electronic Parking Brake motor is idle, and the negative lead voltage measurement is higher than 6.0 volts.
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_a127.