TIAGO/TIGOR AMT Gasoline DTC Troubleshooting Guide Version: 4.0 Date: 18-04-2017 Author: Sathi/Anupama Page: 373 of 427 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 TCM Is MTO logged against IPC in TCM in current state ? No (In history) Check continuity between TCM CAN_H (25 ) to IPC CAN_H(pin no. 6) and TCM CAN_L (28) to IPC CAN_L(pin no. 5) in vehicle wiring side connector. Is continuity there? Repair the wiring harness if continuity is not there Clear DTC Stop Yes Yes No U0155-08 Lost of communication with Instrument Panel Cluster Module- Bus Signal/Message Failure 1. Check IPC ECU fuse ( 10 Amp) blown. 2. Also, check IPC ECU is powered up properly. IPC Battery(pin 1), IGN(pin 22) and GND(pin 24) connected properly with IPC ECU.
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