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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: 7
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.
3.
ECU Replacement – Automatic Procedure
Start
Ignition ON
1. Read VC from IPC/Immobilizer OR
2.
Read 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 CAL as per diagnostic document
Connect Service Tool
If mismatch occurred, then check Application and
Calibration part numbers.
Clear DTCs of all ECUs in vehicle
End
Perform Power Latch
Read CAL part no from PDC ECU and compare against
server look up table
Get VIN-VC relationship data from PLM server
Write VIN