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: 9 of 39 IPC. If no response from IPC, then read Part Number ID (DID 7244) from BCM. If no response from BCM then read VIN number from any other ECU. ii Check and read 1st Byte for DID response as OLD. 1st Byte response as OLD (=00) Yes Follow Old replacement Procedure to update ECU SW / Flash Replaced ECU. Perform steps from 14 to 26 and END the ECU replacement procedure. END Replacement
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