VCDOORRR_a120 — DI DRIVE MIA
Full alert identifier: VCDOORRR_a120_DI_DRIVE_MIA
Alert description
One or more of the messages the vehicle controller receives periodically from the drive interface (DI) electronic control unit (ECU) is not received while the vehicle is in Drive, indicating the DI 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 DI ECU is not received while the vehicle is in Drive.
Clear condition
The vehicle controller starts receiving the expected messages from the DI ECU while the vehicle is in Drive, or the vehicle is no longer in Drive.
Signals to check
These diagnostic fields are associated with VCDOORRR_a120. Check the alert's Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
CH Chassis Cntl
VCDOORRR_
|
— |
CH Speed
VCDOORRR_
|
— |
PARTY Aggregated Axle Speed
VCDOORRR_
|
— |
PARTY Chassis Cntl
VCDOORRR_
|
— |
PARTY Loc Status
VCDOORRR_
|
— |
PARTY Loc Status 2
VCDOORRR_
|
— |
PARTY Prnd Control
VCDOORRR_
|
— |
PARTY Speed
VCDOORRR_
|
— |
Show 19 more fields
| Signal | Unit |
|---|---|
PARTY Stalkless Interfaces
VCDOORRR_
|
— |
PARTY Status
VCDOORRR_
|
— |
PARTY System Status
VCDOORRR_
|
— |
PARTY Torque
VCDOORRR_
|
— |
PARTY Vehicle Estimates
VCDOORRR_
|
— |
PT Speed
VCDOORRR_
|
— |
PT System Power
VCDOORRR_
|
— |
PT System Status
VCDOORRR_
|
— |
VEH Aggregated Axle Speed
VCDOORRR_
|
— |
VEH Chassis Cntl
VCDOORRR_
|
— |
VEH Estimated Brake Temp
VCDOORRR_
|
— |
VEH Loc Status
VCDOORRR_
|
— |
VEH Loc Status 2
VCDOORRR_
|
— |
VEH Prnd Control
VCDOORRR_
|
— |
VEH Speed
VCDOORRR_
|
— |
VEH System Power
VCDOORRR_
|
— |
VEH System Status
VCDOORRR_
|
— |
VEH Torque
VCDOORRR_
|
— |
VEH Vehicle Estimates
VCDOORRR_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCDOORRR_a120.