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: 1080 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:- 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