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: 538 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. 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 U1013- 11 present? Yes Yes No No Yes Is DTC U1013- 11 present? Yes Yes STOP A No No C Check continuity between other ECUs wake-up connector pin and Battery ground pin. Continuity found? Correct other ECUs side wiring harness (Short To Ground) Check BCM and other ECUs connectors for terminal back out Are connectors loose? Reconnect connectors firmly 1.Remove BCM side wiring harness Connector. 2.Perform visual check of connectors for pins bent or damaged etc. Is connector faulty? Correct connector fault (Terminals Bend) Yes No B No