UI_a045 — eCall System Check Failed
Full alert identifier: UI_a045_ECallSystemCheckFailed
Message shown in the car
Emergency call is not operational System error may clear on next drive
Alert description
The cellular modem detects the emergency call (eCall) self-test did not pass. During vehicle start-up and when the drive rail is turned ON, the emergency call (eCall) system will attempt 1 self-test with 3 retries. If the 3 retries are unsuccessful, the alert will set. Since the eCall self-tests are run on each ignition, the alert may appear and disappear depending on the result of the latest self tests.
Potential impact
The eCall may not perform as designed.
Set condition
The eCall self-test did not pass after the drive rail was turned ON.
Clear condition
The eCall self-test passes the next time the drive rail is turned ON, and the condition(s) affecting the eCall functionality is resolved.
Signals to check
These diagnostic fields are associated with UI_a045. Check the alert's Payload in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
Cell Antenna
UI_
|
— |
Cellular Test
UI_
|
— |
E Call Mic
UI_
|
— |
E Call Speaker
UI_
|
— |
ENS Test
UI_
|
— |
GPS Antenna
UI_
|
— |
Manual E Call Button Disconnected
UI_
|
— |
Manual E Call Disabled
UI_
|
— |
Show 2 more fields
| Signal | Unit |
|---|---|
Modem Firmware Test
UI_
|
— |
SIM Test
UI_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of UI_a045.