CP_a128 — Lost Comms VC
Full alert identifier: CP_a128_lostCommsVC
Alert description
The charge port (CP) electronic control unit (ECU) loses communication with the vehicle controller (VC).
Potential impact
Charging does not start, the CP door and latch do not actuate, and CP LEDs do not turn on.
Set condition
The CP ECU does not receive all expected CAN messages from the VC.
Clear condition
The CP ECU receives all expected controller area network (CAN) messages from the VC.
Signals to check
These diagnostic fields are associated with CP_a128. Check the alert's Payload in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
LV Power State MIA
CP_
|
— |
Pcs Interface MIA
CP_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of CP_a128.