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. ID and Go to step 1 4 Read the vehicle parameter - Battery cooling pump PWM Duty cycle (DID No: 3437) Check whether value is 93. Let the pump to run for 1min and Go to step 5. Go to step 1 5 Check if pump is running. If pump stops abruptly, go to step 1. Repeat the process 3 times Check if pump is running okay If the pump is following the request, conclude that Issue is resolved Replace BCS Pump 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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