TIAGO TIGOR BSVI - SERVICE MANUAL - DTC 24-12-2021

Vehicle Platform: Zest, Bolt, Tiago, Tigor, Osprey, Q501, X451, Q502 ECU Name: Hella Body Control Module (BCM) DTC Troubleshooting Data Version: 3.1 Date: 30-11-2019 Author: BCM COC Page: 539 of 1106 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. B C Check continuity between BCM connector pin [C1-43] and BCM Battery ground pin [C1-34/ C1-47] Continuity found? Correct BCM side wiring harness (Short To Ground) Yes 1.Remove Wake-Up mating connector 2.Perform the visual check of connectors for pin bend or damaged etc. Is connector faulty? Correct connector fault (Terminals Bend) 1.Remove all BCM connector 2.Take out Wake-Up output wire [C1-43] from connector 3.Reconnect all connectors including battery. Other ECUs are Going to Wake-up? Reconnect all connectors firmly BCM ECU faulty Replace BCM ECU Yes Yes No No No