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Author: Balaji / Amar /
Nitin / Umapathi /
Deepak
Page: 119 of 138
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.
U0131-08:- Lost communication with EPAS- Message Time Out Failure
Overview:-
ISO Code
U0131-08
Customer Symptom
Hard steering, EPAS lamp ON
Fault Effects (On Vehicle)
Default steering assistance
Lamp Status (If Any)
EPAS lamp ON
Fault Detection Condition
EPAS connector is not connected properly or
disconnected from its location
CAN Stub wire from EPAS connector side is
disconnected
EPAS ECU is not powered up
Normal Operating Condition
EPAS ECU communicates properly with TML diagnostic
Tool.
Probable Trouble Area
Disconnection of the EPAS connector
Healing Condition
To fix the EPAS connector correctly and Fix the wiring
harness issues from EPAS side.
Trouble Shooting:-