USM_a103 — CP MIA
Full alert identifier: USM_a103_CP_MIA
Alert description
One or more of the messages the vehicle controller receives periodically from the charge port (CP) electronic control unit (ECU) is not received, indicating the CP ECU may be unavailable (MIA).
Potential impact
Charging may not start or may be interrupted unexpectedly.
Set condition
The vehicle controller does not receive one or more of the expected messages from the CP ECU within the expected time frame.
Clear condition
The vehicle controller starts receiving the expected messages from the CP ECU.
Signals to check
These diagnostic fields are associated with USM_a103. Check the alert's Payload in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
PT Pt Nm
USM_
|
— |
PT Status
USM_
|
— |
VEH Evse Status
USM_
|
— |
VEH Hvs Nm
USM_
|
— |
VEH Status
USM_
|
— |
VEH Veh Nm
USM_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of USM_a103.