FATC Replacement Procedure
TITLE :
FATC Replacement Procedure
Doc No: 2921 02 217 A1198
Date
: 3
rd
February 17
Revision
: 1.0
Page: 8 of 9
Prepared : Valentina \Vinisha
Checked: Valentina
Approved: Anand Sikchi
This specification is the exclusive property of Tata Motors Limited. Without their consent it may not be
reproduced or given to third parties
.
The above specifications are subject to change and therefore suppliers
are requested to refer the latest one.
CONTROLLED COPY FOR RESTRICTED CIRCULATION
© TATA MOTORS LTD.
14.
If mismatch with DID no in step 12 then flash the ECU with the new Software and repeat step 8
onwards i.e. On re-flashing, the ECU replacement procedure should be executed again.
15. Read upgraded SW part no and version against server as per point 12.
Display result of the comparison on reading the below values from the upgraded ECU & comparing them against the
server :-
DID
DID Name as per HVAC
CM_Specific_Diag
Specification_Service
DID Name as per PLM Server
7244 ECU Parameterization Software Number FATC Parameter Part Number
4A9F FATC Cal Variant coding
HVAC CM Cal Variant coding
F195
System Supplier ECU Software Version
Number
System Supplier ECU Software Number




