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. Action: change LV wiring harness connector and repeat step 3 4 Check if power supply pin short with Pump signal pin C452-2 Check if there is continuity between VCU supply and Pump signal pin in harness side VCU Problem is in VCU side LV wiring harness connector Action: change LV wiring harness connector and repeat step 4 Go to step 5 5 Remove the VCU connector. Check if there is a continuity between C776B Pin 4 of VCU and the VCU supply pin Problem in VCU connector or VCU. DTC’s confirmation: - After rectification, ensure the following points by referring to VCU DID list using TML diagnostic tool before handing over to customer. Circuit Schematic Diagram:
RkJQdWJsaXNoZXIy MTIwNTUz