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: 11 of 39 iv If CCID DID 7244 1st Byte response as NEW (other than 00) then follow the following logic. No Response received from IPC & BCM 1st Byte response as New (not = 00) Yes Fetch the latest version of the CCID from server. Compare Server and ECU CCID and version number Read DID 7244 from IPC & BCM Fetch VIN and VC number from any of the ECU ECU CCID<Server CCID Check new CCID revision available Read the CCID from server. Yes Re-flash and configure the BCM ECU using Server CCID revision. ECU CCID=Server CCID No Re-flash the BCM ECU with available server data files and version. Read all ECU identification numbers. Compare all ECUs Identification with server one by one. Compare all ECU identification with server Equal Write server CCID number in IPC and BCM ECUs. Upload updated ECUs identification to server against CCID version in server. Print and upload the logs for all ECU identification with details of CCID & version & date of update. Go to step number 17. End Replacement & go to Step 17. Not Equal Update ECU as per Server CCID revision.
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