FLASHING & REPLACEMENT PROCEDURE : BOSCH GASOLINE CUBE
ECUs
Version: 0.1
Date: 15-03-2016
Title : Flashing and Replacement Procedure – Bosch Gasoline Cube ECUs
Doc No :
Date: 15-03-2017
Revision: 0.1
Page 4 of 4
Prepared: Sourabh Bhilare
Checked : Mahesh / Sarita
Approved: Vilasini Prabhu
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.
3. EMS ECU Flashing/Replacement Procedure – Do’s & Don’ts
x
Do not interrupt or remove the diagnostic connector while the flashing is in progress
x
Do not turn OFF the Ignition switch while the flashing is in progress
x
Do not interrupt or remove the EMS ECU connector while the flashing is in progress
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Make sure that the battery voltage is healthy before initiating the flashing process
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Do not shake while plugging or unplugging the EMS ECU wiring harness connector from the EMS ECU in order to
avoid pin bending issues
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Make sure there is not dust in the EMS ECU connector while fitting to EMS ECU
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Do not remove the EMS ECU while the Ignition switch is ON or EMS ECU is in power latch phase
x
Do not miss any steps or sequence while Flashing/Replacing the EMS ECU
4. Reference documents :
Reflashing procedure as per document : 2921 02 224 A1441
Immobiliser pairing process : 2921 02 224 A1442




