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PEPS Part ReplacementProcedure
Title: PEPS System Part Replacement Procedure
Spec Num 2921 XX XXX A XXXXTBD
Date:
28-Jul-18
Version:
1.5
Page: 13 of 25
Prepared:
Sandip
Checked:
Santosh B
Approved:
Dinesh DG
Thisspecification isthe exclusive property of Tata MotorsLimited. Withouttheir consent it may not be reproduced or given to third
parties
.
The above specificationsare subject to change and therefore suppliersare requested to refer the latest one.
CONTROLLED COPY FOR RESTRICTED CIRCULATION © TATA MOTORS LTD.
ii. Check Start routine response of the routine 71 01 4F 0A XX YY. XX =
RoutineStatusRecord, RoutineInformation, YY = Response additional data
iii. If (XX == 01 && YY==01)
{
Successful
}// END if (XX == 01 && YY==01)
Else
{
Unsuccessful
}// END else if (XX == 01 && YY==01)
28)Lock AES_SK code in BCM.
AES_SK Locking Procedure BCM:
i. Send service request $ 31 01 34 0A
ii. Check Start routine response of the routine (71 01 4F 0A XX YY). XX =
RoutineStatusRecord, RoutineInformation, YY = Response additional data
iii. If (XX == 01 && YY==01)
{
Successful
}// END if (XX == 01 && YY==01)
Else
{
Unsuccessful
}// END else if (XX == 01 && YY==01)
29)Lock AES_SK code in EMS ECU. Please refer EMS diagnostic specification to lock
AES_SK code in EMS ECU.
30)Clear all DTC (parallel request to all ECUs)