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: 530 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. U100E – 23: Crank Power mode Input switch – Signal Stuck Low START Connect Diagnostic tool and check for DTCs Is DTC U100E-23 present? STOP NO Check DTC present is Permanent or Historic Is History? 1. Press the Crank Power mode Input switch and release it. 2. Clear DTC Is DTC U100E- 23 present? YES NO YES NO Disconnect vehicle battery connection. (Please follow the safety guidelines) Check BCM and Ignition switch connectors for terminal back out. Are connectors loose? Reconnect connectors firmly YES 1.Remove BCM side wiring harness Connector. 2.Perform visual check of connectors for pins bent or damaged etc. NO YES A B C C