Immobilizer –DTC Troubleshooting Data Version: 1.2 Date03-June-2014 Prepared Author: Sarang K/Mithipati P Review & approved by: R A Rode (ERC-E&E) Page: 52 of 67 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 ECM (MTO) - Bus Signal / Message Failures Overview: ISO Code U0100-08 Customer Symptom Engine cranking will not happen. Fault Effects (On Vehicle) Engine cranking will not happen. Lamp Status (If Any) NA Fault Detection Condition 1. ECM connector is not connected properly or disconnected from its location 2. CAN wires from ECM connector side is disconnected. 3. EMS ECU is not powered up. Normal Operating Condition ECM ECU communicates properly with TML diagnostic Tool. Probable Trouble Area Disconnection of the ECM connector. Healing Condition To fix the ECM connector correctly and Fix the wiring harness issues from ECM side. Trouble Shooting:-
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