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: 6
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.
2.
ECU Replacement – Manual Procedure
Start
Ignition ON
Read VC from IPC/ Immobilizer ECUs
Compare VC against tool’s VC lookup table
If VC matched, then select SBL/CAL flash file manually
Flash CAL file manually as per diagnostic document
Connect Service Tool
Clear DTCs of all ECUs in vehicle
END
Perform Power Latch
Read CAL part no from PDC ECU and compare against
tool lookup table for part number
Write VIN




