EPBR_a139 — Nvm Redundancy Loss
Full alert identifier: EPBR_a139_NvmRedundancyLoss
Message shown in the car
Parking brake functions degraded Parking brake may not apply or release
Alert description
The Electronic Parking Brake or Electronic Parking Brake Monitor took longer than expected to save caliper state in non-volatile memory.
Potential impact
Non-volatile memory error due to Electronic Parking Brake and Electronic Parking Brake Monitor mismatch
Set condition
Caliper state saved to Electronic Parking Brake and Electronic Parking Brake Monitor mismatched for more than 500ms
Clear condition
Electronic Parking Brake and Electronic Parking Brake Monitor states match
Signals to check
These diagnostic fields are associated with EPBR_a139. Check the alert's Payload in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
Local State
EPBR_
|
— |
Monitor State
EPBR_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of EPBR_a139.