VCBATT_a108 — DIF MIA
Full alert identifier: VCBATT_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 VCBATT_a108. Check the alert's Payload in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
CH Torque
VCBATT_
|
— |
PARTY Motor Status
VCBATT_
|
— |
PARTY Status
VCBATT_
|
— |
PARTY Temperature
VCBATT_
|
— |
PARTY Thermal Control
VCBATT_
|
— |
PARTY Torque
VCBATT_
|
— |
PT Temperature
VCBATT_
|
— |
PT Thermal Control
VCBATT_
|
— |
Show 6 more fields
| Signal | Unit |
|---|---|
VEH Hv Status
VCBATT_
|
— |
VEH Motor Status
VCBATT_
|
— |
VEH Status
VCBATT_
|
— |
VEH Temperature
VCBATT_
|
— |
VEH Thermal Control
VCBATT_
|
— |
VEH Torque
VCBATT_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCBATT_a108.