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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: 1191 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
Connect the diagnostic tool
Read DTCs and check whether it’s
permanent or in history
Check all functional DTCs in the
IPC ECU
Follow the procedure to diagnose all
the relevant functional DTCs in the
IPC ECU
NO
YES
Is DTC Permanent
?
Clear DTC
Stop
(DTC in
history)
U0423-81 Invalid Data Received from IPC-
invalid serial data received