USM_a138 — S8 Com Error
Full alert identifier: USM_a138_s8ComError
Alert description
Alert indicating that there has been a communication issue related to the sensor
Potential impact
Sensor function will be impaired, park assist features will be disabled.
Set condition
When the communication error bit is set by the sensor
Clear condition
When the error condition is no longer present
Signals to check
Open this alert in Service Mode Plus and review the Payload tab. Use the field names below to identify the values shown by your vehicle.
| Signal | Unit |
|---|---|
Time Since Init
USM_
|
secs |
Time Since Pwr State Transition
USM_
|
secs |
| Signal | Unit |
|---|---|
In Drive Power State
USM_
|
— |
Num Com Err Since Init
USM_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of USM_a138.