VCFRONT1_a108 — DIF MIA
Full alert identifier: VCFRONT1_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 VCFRONT1_a108. Check the alert's Payload in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
FRONTIPC Motor Status
VCFRONT1_
|
— |
FRONTIPC Status
VCFRONT1_
|
— |
FRONTIPC Temperature
VCFRONT1_
|
— |
FRONTIPC Thermal Control
VCFRONT1_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCFRONT1_a108.