VCREAR_a127 — Motor N Volt High
Full alert identifier: VCREAR_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
These diagnostic fields are associated with VCREAR_a127. 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_a127.