CP_a075 — V2g Comms Failure

Full alert identifier: CP_a075_v2gCommsFailure

Alert description

The charge port (CP) electronic control unit (ECU) does not receive the expected Combined Charging System (CCS) vehicle to grid (V2G) messages within the expected timeframe.

Potential impact

CCS charging may not start or may be interrupted.

Set condition

The CP ECU does not receive the expected V2G messages.

Clear condition

Clears automatically.

Signals to check

These diagnostic fields are associated with CP_a075. Check the alert's Alert Log in Service Mode Plus for available values.

Signal	Unit
Current Message `CP_a075_currentMessage`	—
Evcc State `CP_a075_evccState` 0 INIT 1 WAIT FOR HANDSHAKE 2 COMMS ESTABLISHED 3 COMMS TIMEOUT 4 COMMS SHUTDOWN 5 COMMS PAUSED 6 COMMS FAULT	—
Evse Emergency Chg End `CP_a075_evseEmergencyChgEnd`	—
Evse Measured Atten `CP_a075_evseMeasuredAtten`	—
Exi Unpack Failed `CP_a075_exiUnpackFailed`	—
Failed Response Code `CP_a075_failedResponseCode`	—
Init Failure Type `CP_a075_initFailureType` 0 EVCC NO FAILURE 1 TCP CONNECT 2 SOCKET OPTIONS 3 TLS HANDSHAKE	—

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of CP_a075.