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CP_a074 — Failed To Establish V2g Comm

Full alert identifier: CP_a074_failedToEstablishV2gComm

Alert description

The charge port (CP) electronic control unit (ECU) is unable to communicate with the electric vehicle supply equipment (EVSE).

Potential impact

DC fast charging may be unavailable at Combined Charging System (CCS) charge stations.

Set condition

The CP ECU is unable to communicate with the EVSE.

Clear condition

The CP ECU is able to communicate with the EVSE or the charge cable is removed from the charge port.

Signals to check

These diagnostic fields are associated with CP_a074. Check the alert's Alert Log in Service Mode Plus for available values.

Signal Unit
Evse Measured Atten CP_a074_evseMeasuredAtten —
Sdp No Discovery Response CP_a074_sdpNoDiscoveryResponse —
Slac Error Code CP_a074_slacErrorCode —
Slac State CP_a074_slacState —

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of CP_a074.

Browse all CP alert codes