CP_a135 — Sdp Attempts Failed

Full alert identifier: CP_a135_sdpAttemptsFailed

Alert description

The combined charging system (CCS) charging session is not started due to communication failures during the electric vehicle supply equipment (EVSE) discovery protocol (SDP).

Potential impact

Charging does not start.

Set condition

The CP ECU detects that the SDP failed an unexpected number of times.

Clear condition

The charge port (CP) electronic control unit (ECU) detects that the charge cable was disconnected, or an SDP attempt succeeded.

Signals to check

These diagnostic fields are associated with CP_a135. Check the alert's Alert Log in Service Mode Plus for available values.

Signal	Unit
Evse Measured Atten `CP_a135_evseMeasuredAtten`	—
Pilot State `CP_a135_pilotState` 0 NONE 1 FAULTED 2 LINE CHARGE 3 FAST CHARGE 4 IDLE 5 INVALID 6 UNUSED 6 7 SNA	—
Sdp Err `CP_a135_sdpErr` 0 ERR NONE 1 ERR INVALID ARG 2 ERR NO RX DATA 3 ERR INVALID DATA 4 NUM OF ERRS	—

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of CP_a135.