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Vehicle Platform: OSPREY
ECU Name: Hella Body Control Module (BCM) DTC
Troubleshooting Data
Version: 1.4
Date: 15 May 2018
Author: Body CoC
Page: 837 of 855
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TATA MOTORS Ltd.
This document must not be used in any way, such as copying and redistributing to third parties, without the consent of author.
Trouble Shooting:-
B1323– 06: PEPS-BCM Cryptography – Algorithm Based Failure
START
Connect Diagnostic tool and Run test routine
and operate the Lock Unlock key as
mentioned in the Routine Specification
Is DTC B1323– 06
present?
STOP
NO
Check DTC present is Permanent or Historic
Is
Permanent
?
1. Clear the DTC from memory
NO
YES
Read the VIN of PEPS and BCM
YES
Is Same?
Correct the VIN of PEPS and BCM
ECU
Read the encryption counter value
value of PEPS and BCM
PEPS <
BCM
Reset the Encryption Counter value
with diagnostic routine 'Encryption
Counter Reset'
YES
YES
NO
Read the encryption counter value
value of PEPS and BCM
PEPS <
BCM
Reset the Encryption Counter value
with diagnostic routine 'Encryption
Counter Reset'
YES
NO
Read the AES-SK secre key
Is Same?
Correct the AES-SK secret key of PEPS
and BCM ECU
NO