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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: 1126 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:-
Step Checks
IF YES
IF NO
1
Read the VIN from EMS and IMMO, are they matching?
Go to next step
Contact the service
technician.
2
Are there any other faults related to Immo / CAN / EMS
Present?
Rectify them by
following their
rectification
procedure
Go to next step
3
Fault still persists?
Repeat the above
procedure for fault
rectification
Fault still persists
then Contact the
service technician.
Handover the
vehicle to the
technician.
DTC’s confirmation:-
After rectification, ensure the following points by referring engine parameters using TML diagnostic tool before
handing over to customer.
Recheck the fault using TML Diagnostic tool, Fault shall not appear.
Clear the DTC’s in EMS & Immo and Crank the vehicle, vehicle shall start and Immo lamp shall turn OFF at ignition
On condition