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Vehicle Platform: Tiago,Tigor & Osprey
ECU Name: Hella Body Control Module (BCM)
DTC Troubleshooting Data
Version: 2.0
Date: 22-10-2018
Author: Parag K
Page: 20 of 737
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TATA MOTORS Ltd.
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U0100-08:- Lost communication with ECM- Message Timeout Failure
Overview:
ISO Code
U0100-08
Customer Symptom
Rear Defogger does not turn ON
Fault Effects (On Vehicle)
Rear Defogger does not turn ON
Lamp Status (If Any)
N.A
Fault Detection Condition
1. ECM connector is not connected properly or
disconnected from its location
2. CAN Stub wire from ECM connector side is
disconnected.
3. ECM ECU is not powered up.
Normal Operating Condition
ECM ECU communicates properly 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.