USM_a110 — GTW MIA
Full alert identifier: USM_a110_GTW_MIA
Alert description
One or more expected Controller Area Network (CAN) messages from the vehicle gateway (GTW) was not received. Vehicle functions that depend on CAN messages from the GTW may be unavailable, or their performance may be affected.
Potential impact
Vehicle functions that depend on CAN messages from the vehicle gateway (GTW) may be unavailable, or their performance may be affected.
Set condition
An expected CAN message from the vehicle gateway (GTW) has not been received within the expected timeout, or the message drop rate is too high while the GTW is CAN active. The GTW is considered CAN active when VCFRONT_vehGoToSleep is 0.
Clear condition
All expected CAN messages from the vehicle gateway (GTW) are received, or the GTW is CAN inactive.
Signals to check
These diagnostic fields are associated with USM_a110. Check the alert's Payload in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
CH Airbag Cutoff Status
USM_
|
— |
CH Car Config
USM_
|
— |
CH Car State
USM_
|
— |
CH Ch Nm
USM_
|
— |
CH Epoch Time Gtw
USM_
|
— |
CH Vin
USM_
|
— |
PARTY Car Config
USM_
|
— |
VEH Bmp Debug
USM_
|
— |
Show 9 more fields
| Signal | Unit |
|---|---|
VEH Can Log Availability
USM_
|
— |
VEH Car Config
USM_
|
— |
VEH Car State
USM_
|
— |
VEH Gear Control
USM_
|
— |
VEH Mismatch Fault
USM_
|
— |
VEH Time
USM_
|
— |
VEH Update Status
USM_
|
— |
VEH Veh Nm
USM_
|
— |
VEH Vin
USM_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of USM_a110.