2868 / 5157
Vehicle Platform: F4 (Bolt) / F5 ( Zest) / TIAGO / TIGOR / EAGLE/OSPREY
ECU Name: Hella Body Control Module (BCM)
ECU Replacement Procedure
Version: 1.6
Date: 23-Feb-17
Author: BCM CoC
Page:
2
of
9
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.
2.3 Refer
Figure 5-a
and
Figure 5-b
for location of the BCM in Eagle.
2.4 Refer
Figure 6-a and
Figure 6-b for location of the BCM in Osprey.
3.
Remove
all the BCM ECU
connectors.(Refer
Figure 1
in case Base BCM or
Figure 2
in case of Mid BCM)
4.
Remove the old BCM ECU from bracket.
5.
Fix the new BCM ECU on bracket.
6.
Connect all the BCM ECU connectors into their respective sockets. (Refer
Figure 1
in case Base BCM or
Figure 2
in case of Mid BCM)
7.
Ensure that all connectors are fitted tightly and properly.
8.
Connect the battery.
9.
Connect the diagnostic tool to OBD connector.
10.
Turn the IGN ON.
11.
Read the DTCs and clear all the DTCs from BCM ECU with the help of diagnostic tool.
12.
Unlock security to BCM ECU. Please follow the procedure available in service tool to unlock the
security access.
Caution
– This is an essential step without unlocking the security access further steps will not be
executed.
13.
Perform the following diagnostics activities
a.
Read HW, SW part numbers and it’s version numbers of BCM ECU and compare against server
i.
Vehicle Manufacturer Spare Part Number (F187)
ii.
ECU Application Software Number (7241)
iii.
Application Software Identification (F181)
iv.
ECU Calibration Software Number (7242)
b.
If upgrade required or mismatch with part numbers, then flash the BCM ECU with latest
software. Afterwards follow the above step again.