EPBR_a120 — DI DRIVE MIA
Full alert identifier: EPBR_a120_DI_DRIVE_MIA
Alert description
One or more of the messages the vehicle controller receives periodically from the drive interface (DI) electronic control unit (ECU) is not received while the vehicle is in Drive, indicating the DI ECU may be unavailable (MIA).
Potential impact
Vehicle speed and power may be limited.
Set condition
One or more of the expected messages from the DI ECU is not received while the vehicle is in Drive.
Clear condition
The vehicle controller starts receiving the expected messages from the DI ECU while the vehicle is in Drive, or the vehicle is no longer in Drive.
Signals to check
These diagnostic fields are associated with EPBR_a120. Check the alert's Payload in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
BDY Speed
EPBR_
|
— |
CH Chassis Cntl
EPBR_
|
— |
CH Loc Status 2
EPBR_
|
— |
CH Speed
EPBR_
|
— |
PARTY Aggregated Axle Speed
EPBR_
|
— |
PARTY Autonomy Health
EPBR_
|
— |
PARTY Chassis Cntl
EPBR_
|
— |
PARTY Loc Status
EPBR_
|
— |
Show 25 more fields
| Signal | Unit |
|---|---|
PARTY Loc Status 2
EPBR_
|
— |
PARTY Motor Status
EPBR_
|
— |
PARTY Prnd Control
EPBR_
|
— |
PARTY Speed
EPBR_
|
— |
PARTY Stalkless Interfaces
EPBR_
|
— |
PARTY Status
EPBR_
|
— |
PARTY System Status
EPBR_
|
— |
PARTY Torque
EPBR_
|
— |
PARTY Vehicle Estimates
EPBR_
|
— |
PT Speed
EPBR_
|
— |
PT System Power
EPBR_
|
— |
PT System Status
EPBR_
|
— |
VEH Aggregated Axle Speed
EPBR_
|
— |
VEH Autonomy Health
EPBR_
|
— |
VEH Chassis Cntl
EPBR_
|
— |
VEH Estimated Brake Temp
EPBR_
|
— |
VEH Loc Status
EPBR_
|
— |
VEH Loc Status 2
EPBR_
|
— |
VEH Motor Status
EPBR_
|
— |
VEH Prnd Control
EPBR_
|
— |
VEH Speed
EPBR_
|
— |
VEH System Power
EPBR_
|
— |
VEH System Status
EPBR_
|
— |
VEH Torque
EPBR_
|
— |
VEH Vehicle Estimates
EPBR_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of EPBR_a120.