VCSEATD_a108 — DIF MIA
Full alert identifier: VCSEATD_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 VCSEATD_a108. Check the alert's Payload in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
CH Torque
VCSEATD_
|
— |
PARTY Motor Status
VCSEATD_
|
— |
PARTY Status
VCSEATD_
|
— |
PARTY Temperature
VCSEATD_
|
— |
PARTY Thermal Control
VCSEATD_
|
— |
PARTY Torque
VCSEATD_
|
— |
PT Temperature
VCSEATD_
|
— |
PT Thermal Control
VCSEATD_
|
— |
Show 6 more fields
| Signal | Unit |
|---|---|
VEH Hv Status
VCSEATD_
|
— |
VEH Motor Status
VCSEATD_
|
— |
VEH Status
VCSEATD_
|
— |
VEH Temperature
VCSEATD_
|
— |
VEH Thermal Control
VCSEATD_
|
— |
VEH Torque
VCSEATD_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCSEATD_a108.