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. 1 Connect the service tool with Vehicle Ignition is ON Read VECU DTCs if P308468 is present in confirmed state Go to Step 2 - 2 Read BMS DTCs with service tool with Vehicle Ignition is ON Is P1231-1A present in confirmed state? Refer BMS DTC Troubleshooting document for details Refer BMS DTC Troubleshooting document for details of other DTCs in confirmed state 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: NA Component location: NA Connector location and Connector View and information: Refer to DTC ID: P1231-1A of BMS Troubleshooting
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