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: 552 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. Trouble Shooting:- START Check DTC present is Permanent or Historic Is History? Disconnect vehicle battery connection. (Please follow the safety guidelines) 1. Clear the DTC from memory 2. Turn the IGN to OFF 3. Start the IGN Is DTC B1F09- 11 present? Check roof lamp VCC and ground connectivity Replace Roof Lamp VCC shorted To ground Yes Check BCM and Roof lamp connectors for terminal back out Are connectors loose? Reconnect connectors firmly VCC connect to battery 1.Remove BCM side wiring harness Connector. 2.Perform visual check of connectors for pins bent or damaged etc. Yes No No Is connector faulty? Yes Is DTC B1F09- 11 present? Yes Correct connector fault (Terminals Bend) Yes STOP A No No No B C