Vehicle Platform: Zest, Bolt, Tiago, Tigor, Osprey, Q501, X451, Q502 ECU Name: Hella Body Control Module (BCM) DTC Troubleshooting Data Version: 3.8 Date: 17-10-2022 Author: BCM COC Page: 597 of 1202 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. Is connector faulty? Correct connector fault (Terminals Bend) YES Check continuity between BCM connector pin [C2-8] and BCM ground [C1-34/C1-47] Continuity found? Correct BCM side wiring harness ( Short to Ground) YES 1. Remove Mirror Fold/Unfold Switch mating connector 2. Perform the visual check of connectors for pin bend or damaged etc. Is connector faulty? Correct connector fault (Terminals Bend) YES NO Continuity found? BCM ECU Faulty Replace BCM ECU Check continuity between Mirror Fold/Unfold Switch terminal and ground NO NO NO YES A B B2232 – 23: Mirror Fold/Unfold Switch – Signal Stuck Low 1. Switch is faulty 2. Replace combi switch
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