1171 / 5157
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: 1167 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
RCM in current state?
No (In history)
Check continuity between
ECM CAN_H (pin no. 132 ) to RCM CAN_H(Chamber A, pin no. 1)
and
ECM CAN_L (pin no. 144) to RCM CAN_L(Chamber A, pin no. 2)
in vehicle wiring side connector.
Is continuity
there?
Repair the wiring harness
Clear DTC
Stop
Check Battery (Chamber A pin no. 12) and Ground
(Chamber A pin no. 23, 7) of Restraint Control
Module (RCM) is properly connected or not.
Also check fuse blown (10 Amp)
Do necessary repair in the harness
Yes
Yes
No
U0151-31 Loss of communication with Restraint
Control Module- Bus Signals/ Message Failures