Vehicle Platform: Tiago,Tigor & Osprey ECU Name: Hella Body Control Module (BCM) DTC Troubleshooting Data Version: 2.0 Date: 22-10-2018 Author: Parag K Page: 262 of 737 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. B220A – 23: Front fog Lamp control Switch – Signal Stuck Low START Connect Diagnostic tool and check for DTCs Is DTC B220A-23 present? STOP NO Check DTC present is Permanent or Historic Is History? 1. Press the front fog lamp switch and release it. 2. Clear DTC Is DTC B220A23 present? YES NO YES NO Disconnect vehicle battery connection. (Please follow the safety guidelines) Check BCM and Facia / Fog lamp switch connectors for terminal backout 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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