Gravitas/SAFARI/X451/NEXON FATC DTC Troubleshooting Data Version: 1.1 Date: 28-Apr-2021 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. Author: ERC Page: 220 of 244 U0155-08:- Lost communication with instrument Panel Cluster- IPC Message Time Out Failure Overview:- ISO Code U0155-08 Customer Symptom Reduced climate control functionality and performance. Fault Effects (On Vehicle) Reduced climate control functionality and performance Lamp Status (If Any) N.A Fault Detection Condition Open circuit of the both CAN_H (connector pin no.6) and CAN_L(connector pin no.6), only CANH, only CANL Normal Operating Condition ECU communicates properly with IPC ECU. Probable Trouble Area CAN_H and CAN_L wires Healing Condition Reconnection of the CAN_H ( connector pin No.6) and CAN_L(connector pin no.5)with the main CAN bus
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