TIAGO AMT Gasoline DTC Troubleshooting Guide Version: 2.0 Date: 06-06-2016 Author: Sathi/Anupama Page: 372 of 424 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. 129. U0155-08:- Lost communication with Instrument Panel Cluster Module- Bus signal/ Message Failure Overview: ISO Code U0155-08 Customer Symptom Transmission warning lamp will be ON Fault Effects (On Vehicle) 1. If Engine OFF, All Gear shift other than the neutral are disabled. 2. If in running condition; no gear shift allowed, emergency neutral engagement at low speeds. 3. Creeping Disabled Lamp Status (If Any) Transmission warning lamp will be ON Fault Detection Condition 1. IPC connector is not connected properly or disconnected from its location. 2. CAN wire from IPC connector side is disconnected 3. IPC is not powered up. 4. CAN_H, CAN_L or/ and both lines of TCM are opened 5. Wrong data length (less than expected data) from IPC ECU Normal Operating Condition TCM ECU communicates properly with IPC ECU. Probable Trouble Area 1. Disconnection of the IPC connector 2. CAN_H and CAN_L lines open at TCM connector end Healing Condition 1. To fix the IPC connector correctly and Fix the wiring harness issues from IPC side 2. CAN_H, CAN_L or/ and both lines of TCM are connected properly to the TCM connector
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