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. 10. 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 relay and VCU Action: replace WH DTC’s confirmation: - After rectification, ensure that DTC is not present in VCU memory using TML diagnostic tool before handing over to customer. Circuit Schematic Diagram:
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