VCLEFT_a108 — DIF MIA
Full alert identifier: VCLEFT_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 VCLEFT_a108. Check the alert's Payload in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
CH Torque
VCLEFT_
|
— |
PARTY Motor Status
VCLEFT_
|
— |
PARTY Status
VCLEFT_
|
— |
PARTY Temperature
VCLEFT_
|
— |
PARTY Thermal Control
VCLEFT_
|
— |
PARTY Torque
VCLEFT_
|
— |
PT Temperature
VCLEFT_
|
— |
PT Thermal Control
VCLEFT_
|
— |
Show 6 more fields
| Signal | Unit |
|---|---|
VEH Hv Status
VCLEFT_
|
— |
VEH Motor Status
VCLEFT_
|
— |
VEH Status
VCLEFT_
|
— |
VEH Temperature
VCLEFT_
|
— |
VEH Thermal Control
VCLEFT_
|
— |
VEH Torque
VCLEFT_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCLEFT_a108.