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Author: Balaji / Amar /
Nitin / Umapathi /
Deepak
Page: 122 of 138
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TATA MOTORS Ltd.
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U130B-08:- Lost communication with Head Unit- HU Message Time Out Failure
Overview:-
ISO Code
U130B-08
Customer Symptom
No customer symptom
Fault Effects (On Vehicle)
No effect.
Lamp Status (If Any)
N.A
Fault Detection Condition
HU connector is not connected properly or disconnected
from its location
CAN Stub wire from HU connector side is disconnected
HU ECU is not powered up
Normal Operating Condition
HU ECU communicates properly with TML diagnostic
Tool.
Probable Trouble Area
Disconnection of the HU connector
Healing Condition
To fix the HU connector correctly and Fix the wiring
harness issues from HU side.
Trouble Shooting:-