VCSUPER_a133 — DI MIA
Full alert identifier: VCSUPER_a133_DI_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 VCSUPER_a133. Check the alert's Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
DIPR Trailer Brake Control
VCSUPER_
|
— |
EGGLEFTPRIV Offroad Status
VCSUPER_
|
— |
EGGLEFTPRIV System Limits
VCSUPER_
|
— |
EGGREARPRIV System Limits
VCSUPER_
|
— |
LOOP LV Health
VCSUPER_
|
— |
LOOP Liftgate Status
VCSUPER_
|
— |
LOOP System Limits
VCSUPER_
|
— |
LOOP Vehicle Estimates
VCSUPER_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCSUPER_a133.