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. (Change VCU connector or VCU) TBD Action: Go to step 4 5. Observe the pin on the VCU side Check for pin backout on the VCU side Action: Replace the VCU and go to step 5 Problem is in wiring harness between 3 in 1 combo-PDU and VCU Action: replace WH DTC’s confirmation: - After rectification, send Clear the DTC command by using TML diagnostic tool. Ensure no DTC is in defect/ confirmed state before handing over to customer. Circuit Schematic Diagram:
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