CP_a045 — Lost Comms VCSEC
Full alert identifier: CP_a045_lostCommsVCSEC
Alert description
The charge port (CP) electronic control unit (ECU) loses communication with the vehicle security controller (VCSEC).
Potential impact
The charge port does not unlock.
Set condition
The CP ECU does not receive all of the expected controller area network (CAN) messages from the VCSEC.
Clear condition
The CP ECU receives all of the expected controller area network (CAN) messages from the VCSEC.
Signals to check
These diagnostic fields are associated with CP_a045. Check the alert's Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
VCSEC Authentication MIA
CP_
|
— |
VCSEC Requests 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_a045.