EPBR_a108 — DIF MIA
Full alert identifier: EPBR_a108_DIF_MIA
Alert description
One or more of the messages the vehicle controller receives periodically from the front drive inverter (DIF) electronic control unit (ECU) is not received, indicating the DIF ECU may be unavailable (MIA).
Potential impact
Vehicle speed and power may be limited. Thermal management system features depending on DIF functionality may be limited or unavailable.
Set condition
One or more of the expected messages from the DIF ECU is not received.
Clear condition
The vehicle controller starts receiving the expected messages from the DIF ECU.
Signals to check
These diagnostic fields are associated with EPBR_a108. Check the alert's Payload in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
CH Torque
EPBR_
|
— |
PARTY Motor Status
EPBR_
|
— |
PARTY Status
EPBR_
|
— |
PARTY Temperature
EPBR_
|
— |
PARTY Thermal Control
EPBR_
|
— |
PARTY Torque
EPBR_
|
— |
PT Temperature
EPBR_
|
— |
PT Thermal Control
EPBR_
|
— |
Show 6 more fields
| Signal | Unit |
|---|---|
VEH Hv Status
EPBR_
|
— |
VEH Motor Status
EPBR_
|
— |
VEH Status
EPBR_
|
— |
VEH Temperature
EPBR_
|
— |
VEH Thermal Control
EPBR_
|
— |
VEH Torque
EPBR_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of EPBR_a108.