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: 618 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. A B Are connectors loose? 1. Remove BCM Connectors 2. Perform visual check for pin bent or damage Is any connector faulty? Correct the connect fault Yes  Remove Heated Window Relay [R6]  Check continuity of BCM CAN-H [C1-45] with battery or open No Is continuity or open found? Correct the BCM side wiring harness to remove wrong continuity Perform visual and functional checks for Heated Window Relay [R6] No Yes Reconnect the connectors firmly Yes No C Check BCM Connectors for terminal back out Disconnect vehicle battery connection (Please follow safety guidelines)