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Immobilizer –DTC Troubleshooting Data
Version: 1.
2
Date
03-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:-