NEXON 2.0 EV DTC Troubleshooting Document for VCU Version: 1.0 draft Date: 31-Jan-2022 Copyright © TATA MOTORS Ltd. This document must not be used in anyway, such as copying and redistributing to third parties, without the consent of author. P305C - 72: - CCS DC Fast Charging - S2 switch - actuator stuck open Overview: ISO Code P305C - 72 Customer Symptom Charging gun cannot be plugged to the vehicle. Charging will be disabled. Fault Effects (On Vehicle) The vehicle is drivable but charging not possible since charging gun lock error detected. Lamp Status (If Any) Vehicle charging symbol is not seen when after the charging gun is plugged in vehicle charging inlet socket Fault Detection Condition Charging gun locked actuator remains open when given close command Normal Operating Condition Charging gun lock actuator closes when commanded it to close Probable Trouble Area Charging gun locked actuator Healing Condition If DTC trigger condition is healed, DTC is present only in memory Component Details: Charging gun lock actuator is used to lock the charging gun into inlet. Preliminary Checks: Check physically if anything obstructing movement of the actuator pin. Trouble Shooting: - 1. Remove the LV battery connections. Step No. Description Check point If Yes If No 1. Check for continuity between Vehicle Inlet Motor Lock positive pin and EVCU positive pin Check for continuity between Vehicle Inlet Motor Lock positive pin C448-4 and EVCU side positive pin C776B67 Go to step 2 Problem is in wiring harness between Vehicle Inlet Motor Lock and EVCU positive pins Action: Repair harness 2. Check for continuity between Vehicle Inlet Motor Check for continuity between Vehicle Inlet Motor Lock Problem is in Vehicle Inlet Motor Lock Problem is in wiring harness between Vehicle Inlet Motor
RkJQdWJsaXNoZXIy MTIwNTUz