PEPS Part Replacement Procedure Title: PEPS System Part Replacement Procedure Spec Num 2921 XX XXX A XXXXTBD Date: 28-Feb-20 Version: 1.8 Page: 11 of 38 Prepared: Sabal V Checked: Awanish T Approved: Sanjeev VM 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. iii. If (XX == 01 && YY==01) { Successful }// END if (XX == 01 && YY==01) Else { Unsuccessful }// END else if (XX == 01 && YY==01) 17)Write variant specific configuration data to PEPS against PLM server. 18)Provide PEPS ECU reset (service $11 01) and wait for 1 second. 19)Reset PEPS-BCM encryption counter in BCM (using tester tool). PEPS-BCM Encryption Counter Reset Procedure BCM: i. Send service request $ 31 01 34 0C ii. Check Start routine response of the routine 71 01 34 0C 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) 20)Provide BCM ECU reset (service $11 01) and wait for 1 second. 21)Write the same AES_SK code (using tester tool) in EMS ECU as well. Please refer EMS diagnostic specification to write AES_SK code in EMS ECU.
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