TIAGO TIGOR BSVI - SERVICE MANUAL - DTC 24-12-2021

TATA BSVI Gasoline Program – EMS ECU Bosch DTC Troubleshooting Service Manual Version: 1.2 Date: 18-12-2019 Prepared By: Sunita Mandlik Checked By: Yeshwant Jadhav Approved By: Satish Kumar Document Part No: 2921 02 xxx xxxx Page: 742 of 1498 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:- 1. The possibility of this DTC exists incase EMS ecu is replaced. Follow the steps as per the part replacement procedure provided in diagnostic tool. Go to next step 2. Are there any other faults related to Immo / CAN communication / EMS ecu 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 customer. 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. Turn the Ignition ON, Immo lamp shall get turned OFF. Clear the DTC’s in EMS & Immo and Crank the vehicle, vehicle shall start and Immo lamp shall turn OFF at ignition On condition