Copyright © 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. Vehicle Platform: F4 (Bolt) / F5 ( Zest) / TIAGO / TIGOR / EAGLE/OSPREY/Q5/X451 ECU Name: Hella Body Control Module (BCM) ECU Replacement Procedure Version: 3.9 Date: 09-June-2022 Author: BCM CoC Page: 20 of 39 21. Learn the RKE (remote key) as per below mentioned procedure (NOTE: This step is NA to vehicle trims where PEPS is present). a. Send Service request to start the routine $31 01 34 0E XX XX XX = Request additional data. b. Check Start routine response of the routine 71 01 34 0E YY YY = RoutineStatusRecord, RoutineInformation c. Send Service request to get the Routine results $31 03 34 0E d. Check the Routine results response 71 03 34 0E ZZ ZZ ZZ = Response additional data. 22. Repeat all steps for each number of key pairing and the status shall be display over tool with respective to the Routine result response description mentioned in the document BCM Specific Diagnostic Specification. 23. Read the DTCs and clear all the DTCs from BCM ECU with the help of diagnostic tool. 24. Provide IGN off-on cycle. 25. Read the DTCs from BCM ECU with the help of diagnostic tool. If any DTC is present follow the respective troubleshooting procedure to rectify it. 26. Execute Service Test Routine for BCM ECU a. Execute BCM EOL Self-test routine (31 01 20 01) b. Read the DTCs from BCM ECU with the help of diagnostic tool. If any DTC is present follow the respective troubleshooting procedure to it. c. Execute Input switch test routine (31 01 34 09 06) d. 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 it.
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