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PEPS Part Replacement Procedure
Title: PEPS System Part Replacement Procedure
Spec Num 2921 XX XXX A XXXXTBD
Date:
14-Jan-17
Version:
1.2
Page: 4 of 23
Prepared:
Rakesh / Sandip
Checked:
Nagnath
Approved:
Dinesh DG
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.
Step-21 - New step added to write same
AES_SK key in EMS
Step-23 - New step added to check and
confirm the status smart key/ UID learned
with PEPS
Step-24 - New step added to store the
learned smart key/ UID ID on server
Step-27 - AES_SK key locking procedure
PEPS added
Step-28 - AES_SK key locking procedure
BCM added
Step-29 - New step added to lock
AES_SK key in EMS ECU
Read status of PEPS Lifecycle with UID
($22 44 42), step removed.
Read status of PEPS Lifecycle with EMS
($22 44 43), step removed.
1.2
Draft1
Read status of PEPS Lifecycle with UID
($22 44 42), step retained back.
1.2
6
1.3
Terminologies – Made in alphabetical
order.