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: 1012 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 Connect the Diagnostic Tool and check for DTCs Is DTC B162D – 14 present? STOP NO Check DTC present is Current or history YES History? YES Is DTC B162D – 14 present? C Check connection between BCM and tailgate unlock signal pin NO C Are connectors loose? Reconnect connectors firmly B 1. Remove BCM side wiring harness connector. 2. Perform visual check of connectors for pins bend or damaged etc. A NO YES YES NO 1. Disconnect vehicle battery connection. (Please follow the safety guidelines) B162D – 14 : Tailgate Unlock Signal – Circuit short to ground or open 1. Clear the DTC from memory. 2. Turn the IGN to OFF. 3. Start the IGN. 4. Check for DTCs.