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. charging according to CCS-II standards. 2. Check for EVSE Charger side DTCs. Connect EVSE Charger side diagnostic tool to the charger and check if any DTC's present Clear DTC's on charger and check again Go to Step 3 3. Check for continuity between Vehicle Charging gun inlet and EVCU Check for continuity between Vehicle charging gun inlet CP pin C448A-6 and EVCU CP pin C776B98 Problem is in EVCU. Action: Replace EVCU and try Fast Charging Problem is in wiring harness between Vehicle Charging gun inlet and EVCU Action: Repair harness DTC’s confirmation: - After rectification, read DTC using TML diagnostic tool and Clear the DTC Ensure no DTC is in defect/confirmed state before handing over to customer. Circuit Schematic Diagram: Component Location: - Vehicle charging inlet, DC Fast charging socket of vehicle.
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