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. 4. Remove the VCU connector. Check if there is a continuity between A02 Pin No. of VCU and the ground (Chassis). Problem in VCU connector. Change VCU connector Action: Go to step 4 Go to step 5 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 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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