TML Gen3 IVI DTC Troubleshooting guide Version: 0.4 Draft Date: 04-Aug-23 Author: Hemant Mitra Page: 472 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. U0100 - 08:- Lost communication with EMS- Message Timeout Failure Overview:- ISO Code U0100-08 Customer Symptom CE Lamp ON,MIL Lamp ON Fault Effects (On Vehicle) Engine speed, Coolant gauge, Fuel computer, OAT info cannot be displayed on IPC. Lamp Status (If Any) CE Lamp ON,MIL Lamp ON Fault Detection Condition 1. EMS connector is not connected properly or disconnected from its location 2. CAN Stub wire from EMS connector side is disconnected. 3. EMS ECU is not powered up. Normal Operating Condition EMS ECU communicates properly TML diagnostic Tool. Probable Trouble Area Disconnection of the EMS connector Healing Condition To fix the EMS connector correctly and Fix the wiring harness issues from EMS side. Trouble Shooting:-
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