1812 / 4910
Vehicle Platform: Tiago,Tigor & Osprey
ECU Name: Hella Body Control Module (BCM)
DTC Troubleshooting Data
Version: 2.0
Date: 22-10-2018
Author: Parag K
Page: 469 of 737
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.
Trouble Shooting:-
Start
Turn IGN OFF – ON and wait for 5 seconds
Clear DTCs from BCM ECU
Turn IGN OFF – ON and Start the
Engine.
Make sure engine is running with above
600 rpm.
Press Rear Defogger switch either on the
FACIA switch bank or on FATC control
panel.
Wait for 5 seconds.
Read DTCs from BCM ECU
Is B221E - 11 DTC
present
Yes
Connect the vehicle battery, BCM, and
components, if disconnected. Measure Battery
Voltage
Is battery voltage in
range (9V to 16V)
Yes
Stop
No
Charge the battery and/or replace battery
No
B
A