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Nexon Gasoline – EMS ECU Bosch
DTC Troubleshooting Manual
Version: 0.1
Date: 26-08-2017
Prepared By: Sunu S Babu/Yogesh Jadhav
Checked By: Yeshwant Jadhav
Approved By: Satish Kumar
Document Part No: 2921 02 224 A1736
Page: 1176 of 1203
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.
Trouble Shooting:-
Start
Read IVN DTCs in ECM
Is MTO logged against
IPC in current state?
No (In history)
Check continuity between
ECM CAN_H (C1 pin no. 132) to IPC CAN_H(pin no. 6)
and
ECM CAN_L (C1 pin no. 144) to IPC CAN_L(pin no. 5)
in vehicle wiring side connector.
Is continuity
there?
Repair the wiring harness
Clear DTC
Stop
Yes
Yes
No
U0155-31 Loss of communication with Instrument
Panel Cluster Module- Bus Signals/ Message
Failures