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. This DTC is indication for reason for slow charging not happening if over -temperature is detection. Check if any other DTC of P30B4 and P30B6 is present on vehicle. If yes, follow troubleshooting steps of those DTCs first and then recheck the preliminary check points If the over temperature DTC is reported repeatedly on the vehicle, problem is with charging inlet socket connection (loose / intermittent contact leading to heating of AC inlet line). In this case, replacement of CCS inlet is suggested to prevent frequent heating/ over temperature issue. Circuit Schematic Diagram: 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 Component Location & Image: - Vehicle charging inlet Connector Location: - Vehicle charging inlet Connector View & Information: - NA
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