VCREAR_a179 — Epb Problem
Full alert identifier: VCREAR_a179_epbProblem
Alert description
Customer facing alert for Electronic Parking Brake issues which occur when caliper is not moving
Potential impact
Electronic Parking Brake caliper motor may be disconnected (idle fault), or no csm requests during retry/fault
Set condition
Electronic Parking Brake has idle fault, or CSM_RQST_INVALID/CSM_RQST_NONE during retry or fault
Clear condition
Electronic Parking Brake attempts a new operation
Signals to check
These diagnostic fields are associated with VCREAR_a179. Check the alert's Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
Csm Fault Reason
VCREAR_
|
— |
Esm Op Trigger
VCREAR_
|
— |
Esm State
VCREAR_
|
— |
Esm State Request
VCREAR_
|
— |
Fault Status
VCREAR_
|
— |
Monitor Fault Status
VCREAR_
|
— |
Monitor Unit Status
VCREAR_
|
— |
Nonterminal Reason
VCREAR_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCREAR_a179.