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:
4
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.
18.
Provide IGN off-on cycle.
19.
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.
20.
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.
21.
End




