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. Vehicle Platform: F4 (Bolt) / F5 ( Zest) / TIAGO / TIGOR / EAGLE/OSPREY/Q5/X451 ECU Name: Hella Body Control Module (BCM) ECU Replacement Procedure Version: 3.9 Date: 09-June-2022 Author: BCM CoC Page: 3 of 39 3.0 21-June-2019 Utkarsh Shukla LIN based IMMO procedure is added. 3.1 02-August2019 Utkarsh Shukla Zest/Bolt BCM replacement procedure. 3.2 24-Sept-2019 Utkarsh Shukla 2 sec wait delay while key inserted in barrel for IMMO key pairing. Pairing of RKE with IMMO via diagnostic routine. 3.3 02-Dec-2019 Utkarsh Shukla VIN and VC number comparison and writing into BCM process updated. 3.4 01-Jan-2020 Utkarsh Shukla Removed auto key pairing logic from LIN based IMMO. 3.5 27-Jan-2020 Utkarsh Shukla Erase key learning and IMMO key learning menu from TDS tool is added for selection. 3.6 19-Oct-2020 Utkarsh Shukla For New CCID flow skipping DID 7234 checking and comparing with server. 3.7 04-Nov-2020 Utkarsh Shukla ECU reset followed with Ignition cycle before PDC calibration and 2 sec delay after Ignition cycle due to 12V internal BCM power supply require 1.5 second delay to turn PDC power. 3.8 24-Apr-2021 Utkarsh Shukla Added X445 also in file title. 3.9 09-June-2022 Prashanth Mettu Added FPAS replacement procedure
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