Park Distance Controller (PDC) ECU replacement
and software update procedure in field
TITLE :
Park Distance Controller (PDC) ECU replacement and software
update procedure in field
Doc No: 2921 02 225A1203
Date
: 08Jun17
Revision
: 0.2
Page: 9
Prepared :G Ravi Teja
Checked: Phani Kumar J
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.
5. Field Software Upgrade/Re flash- Automatic Procedure
Start
Ignition ON
Read VC from IPC or Immobilizer ECUs and VIN from any
ECU
Check ECU assembly part no and server ECU assembly
part numbers are matched.
If calibration part No mismatched, then tool to select
appropriate file from the server
Flash PDC ECU for SBL, APP and CAL as per diagnostic
document
Connect Service Tool
If mismatch occurred, then check Application and
Calibration part numbers.
Get VIN cutoff (From Range)
Clear DTCs of all ECUs in vehicle
End
Perform Power Latch
Read App and CAL part no from PDC ECU and compare
against Server look up table




