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. Action: Repair harness 3. Check for continuity between Vehicle Inlet Motor Lock negative pin and EVCU negative pin Check for continuity between Vehicle Inlet Motor Lock negative pin C448-1 and EVCU side negative pin C776B-A88 Problem is in Vehicle Inlet Motor Lock Action: Replace Actuator and try Fast Charging again Problem is in wiring harness between Vehicle Inlet Motor Lock and EVCU negative pins 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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