PEPS Part ReplacementProcedure
Title: PEPS System Part Replacement Procedure
Spec Num 2921 XX XXX A XXXXTBD
Date:
28-Jul-18
Version:
1.5
Page: 14 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.
31)Read and confirm variant specific configuration data of PEPS against PLM server $22 all
DIDs". If there is any mismatch, Rectify the problemand start the execution from the
beginning.
NOTES:
Always provide ECU reset before reading VC number
32)Read status of PEPS Lifecycle with UID ($22 44 42). If the response byte != 0x02 i.e. PEPS
Lifecycle with UID is not paired, rectify the problemand start the execution from the
beginning.
33)Execute PEPS EOL Self-test routine. Refer latest PEPS ESDS for detailed procedure.
34)Read the DTCs fromPEPS ECU with the help of diagnostic tool. If any DTC is present
follow the respective troubleshooting procedure to rectify the fault.
35)Execute Input switch test routine. Refer latest PEPS ESDS for detailed procedure.
36)Read Input switch test routine results with the help of diagnostic tool. If any DTC is present
follow the respective DTC troubleshooting procedure to rectify the fault.
37)Read the DTCs fromPEPS ECU with the help of diagnostic tool. If any DTC is present
follow the respective troubleshooting procedure to rectify the fault.
38)Check the customer reported fault, whether it is rectified.
39)If the fault is rectified, disconnect the OBD connector and diagnostic tool.




