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: 13 of 39 Caution – This is an essential step without unlocking the security access further steps will not be executed. f. If read DID 7244 and 1st Byte response as New (not = 00), then skip following step “g” and jump to “h” step. (Note: - This step is added for CCID with new implementation BCM flashing.) g. Read Assembly Number (7234) and compare against server. If new Software is found in the server against above parameters, then automatically download the flashing files. h. Before flashing the BCM ECU, Execute the routine 200D(Routine for check Reprogramming Preconditions), if response is 0x00 proceed for flashing the BCM ECU, else if it is 0x01 display the message as “Check the preconditions IGN ON, Voltage 9v to 16v, Vehicle speed = 0kmph, Engine speed = 0rpm, Acceleration Peddle position = 0%, Gear = Park(AMT vehicle)”.
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