NEXON 3.0 EV DTC Troubleshooting Document for VCU Version: 2.0 Date: 22-Sep-2023 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. P302C- 11: - DC Charging Contactor Positive Coil Low Side activation line - circuit short to ground Overview: ISO Code P302C - 11 Customer Symptom HV Critical Alert Tell-tale is glowing on the cluster. DC Fast charging does not take place Fault Effects (On Vehicle) The vehicle is drivable and slow charging is possible but DC fast charging will not take place if this defect is active. DC Fast Charging negative contactor will always be closed. Lamp Status (If Any) HV Critical Alert Tell-tale Indication glows on the cluster Vehicle charging symbol ( ) is not seen when Fast charging gun is plugged in vehicle charging inlet socket. Fault Detection Condition DC Charging Contactor Positive Coil Short circuit to ground Normal Operating Condition DC charging positive contactor is open or close as per VCU command. Probable Trouble Area LV wiring Harness 3 in 1 combo-PDU LV connector Inside 3 in 1 combo-PDU Powertrain VCU connector Healing Condition If DTC trigger condition is healed, DTC is present only in memory. However, cluster indication will be ON till one drive cycle of vehicle, until DTC is cleared using tester tool. Component Details:
RkJQdWJsaXNoZXIy MTIwNTUz