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: 674 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. A Is connector faulty? Remove window controller Relay and Check continuity between BCM connector pin[C1-28] and BCM ground pin[C1-34/C1-47]. Continuity found? 1. Remove window down matting connector. 2. Perform visual check of connector for pins bend or damaged etc. Is connector faulty? BCM ECU faulty Replace BCM ECU Correct connector fault(Terminals bend) Correct BCM side wiring harness.(Short to ground) Correct connector fault(Terminals bend) No No Yes Yes B Yes No DTC’s confirmation:- After rectification, ensure the following points by using TML diagnostic tool before handing over to customer. Check DTC B1236 – 11 is not logged Circuit Schematic Diagram:- Please refer latest BCM wiring harness schematic. Component Location & Image:-
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