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Vehicle Platform: NEXON
ECU Name: ESCL
DTC Troubleshooting Data
Version: 1.4
Date: 09 Jan 2018
Author: Hitesh Kaneria
Page: 23 of 88
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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.
DTC’s confirmation:
After rectification, ensure the following points using TML diagnostic tool before handing over to customer.
a) Check whether BCM ECU is communicating with diagnostic Tool or not.
b) DTC should not be present in ECU memory.
Circuit Schematic Diagram:
N.A
Component Location & Image:
N.A
YES
No
U0140-08 Loss of communication with BCM
Start
Read IVN DTC in ESCL
If MTO logged against BCM
in current state?
Check connectivity with BCM CAN_H to IPC CAN_H (pin no.6) and
BCM CAN_L to IPC CAN_L (pin no.5) in vehicle wiring side
connector
Repair the wiring
harness
Check battery and ground of BCM is properly connected or not.
Also check fuse blown.
Do necessary repair in the harness
Clear DTC
Stop
Is continuity
there?