TML Gen3 IVI DTC Troubleshooting guide Version: 0.4 Draft Date: 04-Aug-23 Author: Hemant Mitra Page: 519 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. U0198 - 08:- Lost communication with TCU- TCU Message Timeout Failure Overview:- ISO Code U0198-08 Customer Symptom NA Fault Effects (On Vehicle) Remote Engine Start Stop will not function properly Lamp Status (If Any) NA Fault Detection Condition 1. CAN trans receiver fault 2. Partner ECU fault 3. Excessive network traffic 4. Vehicle steering problem Normal Operating Condition TCU ECU communicates properly with TML diagnostic Tool. Probable Trouble Area Disconnection of the TCU connector Healing Condition To fix the TCU connector correctly and Fix the wiring harness issues from TCU side. Trouble Shooting:-
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