SDP failed — SECC not responding

Cross-brand / Protocol · Cables & connectors

Verified 2025-05-233 field confirmsSeverity: medium ~60 min

Safety

Qualified EVSE personnel only. Follow site LOTO and OEM HV / arc-flash boundaries. Not a substitute for OEM service manuals or AHJ requirements.

Full procedure requires solo+

Symptom teaser: SDP failed — SECC not responding on protocol: CSMS StatusNotification + connector LEDs shows CCS-H02. Techs see session abort or stall Unavailable until the ran…

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