TML Gen3 IVI DTC Troubleshooting guide Version: 0.4 Draft Date: 04-Aug-23 Author: Hemant Mitra Page: 558 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. B193D - 01:- Drive Control Switch all type of failures Overview:- ISO Code B193D – 01 Customer Symptom All Drive mode (Auto, Comfort, Dynamic, Rough Road, Grass, Sand, Wet/Rain) Indication shall be ON in the DCS and user not able to select the Drive mode Fault Effects (On Vehicle) User not to select the Drive mode only AUTO mode shall be available Lamp Status (If Any) All Drive modes Indication shall be ON in the DCS Fault Detection Condition N/A Normal Operating Condition All Drive modes can able to select by the user Probable Trouble Area Drive Control Switch Wiring harness to be checked CAN communication to be checked Healing Condition Clearing the Fault. Ignition ON/OFF Component Details:- N/A Preliminary Checks:- 1. Check Battery Voltage is normal in the range (8v - 16v) 2. Check ECU & Ignition signal pin for oxidation, bending & damage.
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