Vehicle Platform: Zest, Bolt, Tiago, Tigor, Osprey, Q501, X451, Q502 ECU Name: Hella Body Control Module (BCM) DTC Troubleshooting Data Version: 3.8 Date: 17-10-2022 Author: BCM COC Page: 5 of 1202 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. Contents Change History ........................................................................................................................................................................ 2 IVN DTCs............................................................................................................................................................................. 20 CAN Bus Architecture for TIAGO .................................................................................................................................... 20 CAN Wiring Harness Diagram for TIAGO ...................................................................................................................... 21 Abbreviation ........................................................................................................................................................................ 22 Preliminary Check .............................................................................................................................................................. 23 U0028 – 13 :- Vehicle Communication Bus A-open circuit .......................................................................................... 24 U0028 – 88 :- Vehicle Communication Bus A-Bus off .................................................................................................. 26 U0037 – 13 :- Vehicle Communication Bus B – open circuit ....................................................................................... 28 U0037 – 88 :- Vehicle Communication Bus B – Bus off ............................................................................................... 30 U0100 – 08 :- Lost communication with ECM- Message Timeout Failure ................................................................ 32 U0151 – 08 :- Lost communication with Restraints Control Module (SRS) - Message Timeout Failure .............. 33 U0155 – 08 :- Lost communication with instrument Panel Cluster- IPC Message Time Out Failure .................... 38 U0101 – 08 :- Lost communication with Transmission Control Module- TCM Message Time Out Failure.......... 39 U0167 – 08 :- Lost communication with vehicle Immobilizer Control Module- VICM Message Time Out Failure .............................................................................................................................................................................................. 40 U1315 – 08 :- Lost Communication With PEPS - Bus Signal / Message Failures ................................................... 41 U130E – 08 :- Lost Communication With Rain Light Sensor (RLS) - Bus Signal / Message Failure .................... 44 U1302 – 88 :- LIN Bus A - bus off .................................................................................................................................... 47 U1303 – 88 :- LIN Bus B - bus off .................................................................................................................................... 50 U0401 – 81 :- Invalid Data Received From ECM .......................................................................................................... 53 U0402 – 81 :- Invalid Data Received From TCM – Invalid Serial Data Received .................................................... 54 U0423 – 81 :- Invalid Data Received From IPC ............................................................................................................ 57 U0424 – 81 :- Invalid Data Received From HVAC – Invalid Serial Data Received ................................................. 60 U0426 – 81 :- Invalid Data Received From VICM ......................................................................................................... 63 Generic DTCs ..................................................................................................................................................................... 66 U3000 – 08 :- Control Module - Bus Signal / Message Failure ................................................................................... 66 U1006 – 42 :- Control Module Internal – general memory failure ............................................................................... 67
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