TML Gen3 IVI DTC Troubleshooting guide Version: 0.4 Draft Date: 04-Aug-23 Author: Hemant Mitra Page: 447 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. Trouble Shooting:- DTC’s confirmation:- Turn ON Ignition. Connect the TML Diagnostic Tool. Check the status of DTC’s (Memorized/Current) Record the DTC & Clear DTC’s Turn Ignition OFF & ON Verify If DTC B1936 -56 is present Is DTC B1936-56 is Present? Check for continuity of CAN lines between IPC & VICM/PEPS/BCM. Check VICM/PEPS/BCM power supply & working properly. Is problem with VICM/PEPS/BC M? CAN communication or VICM/BCM/PEPS ECU is not working properly. Rectify Fault at wiring Harness to recover the fault. Clear the DTC & verify the function of Odometer on display by running the vehicle. Clear the DTC from the ECU memory. Turn Ignition OFF & ON. Check whether same DTC is coming again or not. Stop Stop YES NO YES NO Stop
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