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Author: Balaji / Amar /
Nitin / Umapathi /
Deepak
Page: 98 of 138
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TATA MOTORS Ltd.
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U1309-08:- Lost communication with Anti-Lock Braking System- ASBS/ESP Message Timeout Failure
Overview:-
ISO Code
U1309-08
Customer Symptom
ABS Lamp ON,EBD Lamp ON
Fault Effects (On Vehicle)
Vehicle speed, odometer, fuel computer, OAT value,
Service remainder cannot be displayed on IPC
Lamp Status (If Any)
ABS Lamp ON,EBD Lamp ON
Fault Detection Condition
1. ABS connector is not connected properly or
disconnected from its location
2. CAN Stub wire from ABS connector side is
disconnected.
3. ABS ECU is not powered up.
Normal Operating Condition
ABS ECU communicates properly with TML diagnostic
Tool.
Probable Trouble Area
Disconnection of the ABS connector
Healing Condition
To fix the ABS connector correctly and Fix the wiring
harness issues from ABS side.
Trouble Shooting:-