Vehicle Platform: OSPREY ECU Name: Hella Body Control Module (BCM) DTC Troubleshooting Data Version: 1.4 Date: 15 May 2018 Author: Body CoC Page: 758 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. Start Connect the Diagnostic Tool & check for DTCs Is DTC B1F08 – 12 logged by routine? STOP NO 1. Disconnect vehicle battery connection. (Please follow the safety guidelines) B1F08 – 12 : Illumination Level Switch - Circuit Short to Battery B A YES Check continuity between BCM connector pin[C4 - 50] and BCM battery[C3-2/C3-1]. Continuity found? Correct BCM side wiring harness.(Short to battery) YES NO Check BCM & Illumination switch connectors for terminal backout Are any connectors loose Reconnect connectors firmly
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