TML Gen3 IVI DTC Troubleshooting guide Version: 0.4 Draft Date: 04-Aug-23 Author: Hemant Mitra Page: 548 of 584 Copyright © TATA MOTORS Ltd. This document must not be used in any way, such as copying and redistributing to third parties, without the consent of author. DTC’s confirmation: - After rectification, ensure the following points using TML diagnostic tool before handing over to customer. START Connect the diagnostic tool Check relevant functional DTCs in the TCU ECU Clear DTC STOP Yes No in memory U0499-81 Invalid data received from TCU Read DTCs and check whether its permanent or in history Is DTC permanent Follow the procedure to diagnose relevant functional DTCs in the TCU ECU
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