VCSEC_a098 — DIR MIA
Full alert identifier: VCSEC_a098_DIR_MIA
Alert description
One or more of the messages the vehicle controller receives periodically from the rear drive inverter (DIR) electronic control unit (ECU) is not received, indicating the DIR ECU may be unavailable (MIA).
Potential impact
Vehicle speed and power may be limited.
Set condition
One or more of the expected messages from the DIR ECU is not received.
Clear condition
The vehicle controller starts receiving the expected messages from the DIR ECU.
Signals to check
These diagnostic fields are associated with VCSEC_a098. Check the alert's Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
CH Torque
VCSEC_
|
— |
PARTY Status
VCSEC_
|
— |
PARTY Temperature
VCSEC_
|
— |
PARTY Thermal Control
VCSEC_
|
— |
PARTY Torque
VCSEC_
|
— |
PT Temperature
VCSEC_
|
— |
PT Thermal Control
VCSEC_
|
— |
VEH Hv Status
VCSEC_
|
— |
Show 4 more fields
| Signal | Unit |
|---|---|
VEH Status
VCSEC_
|
— |
VEH Temperature
VCSEC_
|
— |
VEH Thermal Control
VCSEC_
|
— |
VEH Torque
VCSEC_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCSEC_a098.