Vehicle Platform: OSPREY ECU Name: Hella Body Control Module (BCM) DTC Troubleshooting Data Version: 1.4 Date: 15 May 2018 Author: Body CoC Page: 796 of 855 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:- B163F – 23: Tailgate Unlock switch – Signal Stuck Low START Connect Diagnostic tool and check for DTCs Is DTC B163F -23 present? STOP NO Check DTC present is Permanent or Historic Is History? 1. Press the Tailgate Unlock switch and release it. 2. Clear DTC Is DTC B163F - 23 present? YES NO YES NO Disconnect vehicle battery connection. (Please follow the safety guidelines) Check BCM and Tailgate Unlock 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
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