VCLEFT_a133 — DI MIA
Full alert identifier: VCLEFT_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 VCLEFT_a133. Check the alert's Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
DIPR Trailer Brake Control
VCLEFT_
|
— |
EGGLEFTPRIV Offroad Status
VCLEFT_
|
— |
EGGLEFTPRIV System Limits
VCLEFT_
|
— |
EGGREARPRIV System Limits
VCLEFT_
|
— |
LOOP LV Health
VCLEFT_
|
— |
LOOP Liftgate Status
VCLEFT_
|
— |
LOOP System Limits
VCLEFT_
|
— |
LOOP Vehicle Estimates
VCLEFT_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCLEFT_a133.